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7 | JobTracker (Hadoop 0.20.1 API) |
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79 | SUMMARY: <A HREF="#nested_class_summary">NESTED</A> | <A HREF="#field_summary">FIELD</A> | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD> |
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89 | <H2> |
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90 | <FONT SIZE="-1"> |
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91 | org.apache.hadoop.mapred</FONT> |
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92 | <BR> |
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93 | Class JobTracker</H2> |
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94 | <PRE> |
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95 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A> |
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96 | <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.hadoop.mapred.JobTracker</B> |
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97 | </PRE> |
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98 | <DL> |
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99 | <DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../../org/apache/hadoop/ipc/VersionedProtocol.html" title="interface in org.apache.hadoop.ipc">VersionedProtocol</A>, <A HREF="../../../../org/apache/hadoop/security/authorize/RefreshAuthorizationPolicyProtocol.html" title="interface in org.apache.hadoop.security.authorize">RefreshAuthorizationPolicyProtocol</A></DD> |
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100 | </DL> |
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101 | <HR> |
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102 | <DL> |
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103 | <DT><PRE>public class <B>JobTracker</B><DT>extends <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A><DT>implements <A HREF="../../../../org/apache/hadoop/security/authorize/RefreshAuthorizationPolicyProtocol.html" title="interface in org.apache.hadoop.security.authorize">RefreshAuthorizationPolicyProtocol</A></DL> |
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104 | </PRE> |
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105 | |
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106 | <P> |
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107 | JobTracker is the central location for submitting and |
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108 | tracking MR jobs in a network environment. |
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109 | <P> |
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110 | |
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111 | <P> |
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112 | <HR> |
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113 | |
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114 | <P> |
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115 | <!-- ======== NESTED CLASS SUMMARY ======== --> |
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122 | </TR> |
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123 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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124 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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125 | <CODE>static class</CODE></FONT></TD> |
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126 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.IllegalStateException.html" title="class in org.apache.hadoop.mapred">JobTracker.IllegalStateException</A></B></CODE> |
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127 | |
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128 | <BR> |
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129 | A client tried to submit a job before the Job Tracker was ready.</TD> |
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130 | </TR> |
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131 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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132 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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133 | <CODE>static class</CODE></FONT></TD> |
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134 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.State.html" title="enum in org.apache.hadoop.mapred">JobTracker.State</A></B></CODE> |
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135 | |
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136 | <BR> |
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137 | </TD> |
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138 | </TR> |
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139 | </TABLE> |
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140 | <!-- =========== FIELD SUMMARY =========== --> |
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141 | |
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142 | <A NAME="field_summary"><!-- --></A> |
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143 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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145 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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146 | <B>Field Summary</B></FONT></TH> |
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147 | </TR> |
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148 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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149 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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150 | <CODE>static int</CODE></FONT></TD> |
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151 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#CLUSTER_INCREMENT">CLUSTER_INCREMENT</A></B></CODE> |
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152 | |
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153 | <BR> |
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154 | </TD> |
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155 | </TR> |
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156 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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157 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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158 | <CODE>static long</CODE></FONT></TD> |
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159 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#COUNTER_UPDATE_INTERVAL">COUNTER_UPDATE_INTERVAL</A></B></CODE> |
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160 | |
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161 | <BR> |
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162 | </TD> |
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163 | </TR> |
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164 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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165 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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166 | <CODE>static int</CODE></FONT></TD> |
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167 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#FILE_NOT_FOUND">FILE_NOT_FOUND</A></B></CODE> |
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168 | |
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169 | <BR> |
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170 | </TD> |
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171 | </TR> |
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172 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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173 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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174 | <CODE>static <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD> |
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175 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#FOR_REDUCE_TASK">FOR_REDUCE_TASK</A></B></CODE> |
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176 | |
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177 | <BR> |
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178 | The reduce task number for which this map output is being transferred</TD> |
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179 | </TR> |
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180 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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181 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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182 | <CODE>static <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD> |
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183 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#FROM_MAP_TASK">FROM_MAP_TASK</A></B></CODE> |
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184 | |
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185 | <BR> |
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186 | The map task from which the map output data is being transferred</TD> |
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187 | </TR> |
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188 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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189 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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190 | <CODE>static int</CODE></FONT></TD> |
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191 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#HEARTBEAT_INTERVAL_MIN">HEARTBEAT_INTERVAL_MIN</A></B></CODE> |
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192 | |
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193 | <BR> |
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194 | </TD> |
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195 | </TR> |
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196 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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197 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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198 | <CODE>static org.apache.commons.logging.Log</CODE></FONT></TD> |
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199 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#LOG">LOG</A></B></CODE> |
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200 | |
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201 | <BR> |
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202 | </TD> |
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203 | </TR> |
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204 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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205 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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206 | <CODE>static <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD> |
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207 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#MAP_OUTPUT_LENGTH">MAP_OUTPUT_LENGTH</A></B></CODE> |
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208 | |
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209 | <BR> |
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210 | The custom http header used for the map output length.</TD> |
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211 | </TR> |
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212 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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213 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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214 | <CODE>static <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD> |
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215 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#RAW_MAP_OUTPUT_LENGTH">RAW_MAP_OUTPUT_LENGTH</A></B></CODE> |
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216 | |
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217 | <BR> |
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218 | The custom http header used for the "raw" map output length.</TD> |
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219 | </TR> |
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220 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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221 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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222 | <CODE>static int</CODE></FONT></TD> |
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223 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#SUCCESS">SUCCESS</A></B></CODE> |
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224 | |
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225 | <BR> |
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226 | </TD> |
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227 | </TR> |
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228 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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229 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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230 | <CODE>static int</CODE></FONT></TD> |
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231 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#TRACKERS_OK">TRACKERS_OK</A></B></CODE> |
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232 | |
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233 | <BR> |
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234 | </TD> |
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235 | </TR> |
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236 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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237 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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238 | <CODE>static int</CODE></FONT></TD> |
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239 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#UNKNOWN_TASKTRACKER">UNKNOWN_TASKTRACKER</A></B></CODE> |
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240 | |
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241 | <BR> |
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242 | </TD> |
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243 | </TR> |
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244 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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245 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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246 | <CODE>static long</CODE></FONT></TD> |
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247 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#versionID">versionID</A></B></CODE> |
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248 | |
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249 | <BR> |
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250 | version 3 introduced to replace |
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251 | emitHearbeat/pollForNewTask/pollForTaskWithClosedJob with |
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252 | <A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#heartbeat(org.apache.hadoop.mapred.TaskTrackerStatus, boolean, boolean, boolean, short)"><CODE>heartbeat(TaskTrackerStatus, boolean, boolean, boolean, short)</CODE></A> |
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253 | version 4 changed TaskReport for HADOOP-549.</TD> |
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254 | </TR> |
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255 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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256 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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257 | <CODE>static long</CODE></FONT></TD> |
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258 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#versionID">versionID</A></B></CODE> |
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259 | |
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260 | <BR> |
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261 | </TD> |
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262 | </TR> |
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263 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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264 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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265 | <CODE>static <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD> |
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266 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#WORKDIR">WORKDIR</A></B></CODE> |
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267 | |
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268 | <BR> |
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269 | </TD> |
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270 | </TR> |
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271 | </TABLE> |
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272 | <A NAME="fields_inherited_from_class_org.apache.hadoop.security.authorize.RefreshAuthorizationPolicyProtocol"><!-- --></A> |
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273 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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274 | <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> |
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275 | <TH ALIGN="left"><B>Fields inherited from interface org.apache.hadoop.security.authorize.<A HREF="../../../../org/apache/hadoop/security/authorize/RefreshAuthorizationPolicyProtocol.html" title="interface in org.apache.hadoop.security.authorize">RefreshAuthorizationPolicyProtocol</A></B></TH> |
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276 | </TR> |
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277 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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278 | <TD><CODE><A HREF="../../../../org/apache/hadoop/security/authorize/RefreshAuthorizationPolicyProtocol.html#versionID">versionID</A></CODE></TD> |
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279 | </TR> |
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280 | </TABLE> |
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281 | |
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282 | <!-- ========== METHOD SUMMARY =========== --> |
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283 | |
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284 | <A NAME="method_summary"><!-- --></A> |
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285 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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286 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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287 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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288 | <B>Method Summary</B></FONT></TH> |
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289 | </TR> |
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290 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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291 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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292 | <CODE> <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</A><org.apache.hadoop.mapred.TaskTrackerStatus></CODE></FONT></TD> |
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293 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#activeTaskTrackers()">activeTaskTrackers</A></B>()</CODE> |
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294 | |
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295 | <BR> |
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296 | Get the active task tracker statuses in the cluster</TD> |
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297 | </TR> |
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298 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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299 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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300 | <CODE> void</CODE></FONT></TD> |
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301 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#addJobInProgressListener(org.apache.hadoop.mapred.JobInProgressListener)">addJobInProgressListener</A></B>(org.apache.hadoop.mapred.JobInProgressListener listener)</CODE> |
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302 | |
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303 | <BR> |
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304 | Registers a <CODE>JobInProgressListener</CODE> for updates from this |
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305 | <CODE>TaskTrackerManager</CODE>.</TD> |
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306 | </TR> |
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307 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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308 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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309 | <CODE> <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</A><org.apache.hadoop.mapred.TaskTrackerStatus></CODE></FONT></TD> |
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310 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#blacklistedTaskTrackers()">blacklistedTaskTrackers</A></B>()</CODE> |
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311 | |
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312 | <BR> |
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313 | Get the blacklisted task tracker statuses in the cluster</TD> |
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314 | </TR> |
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315 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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316 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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317 | <CODE> <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Vector.html?is-external=true" title="class or interface in java.util">Vector</A><org.apache.hadoop.mapred.JobInProgress></CODE></FONT></TD> |
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318 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#completedJobs()">completedJobs</A></B>()</CODE> |
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319 | |
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320 | <BR> |
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321 | </TD> |
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322 | </TR> |
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323 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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324 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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325 | <CODE> <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Vector.html?is-external=true" title="class or interface in java.util">Vector</A><org.apache.hadoop.mapred.JobInProgress></CODE></FONT></TD> |
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326 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#failedJobs()">failedJobs</A></B>()</CODE> |
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327 | |
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328 | <BR> |
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329 | </TD> |
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330 | </TR> |
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331 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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332 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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333 | <CODE> void</CODE></FONT></TD> |
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334 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#failJob(org.apache.hadoop.mapred.JobInProgress)">failJob</A></B>(org.apache.hadoop.mapred.JobInProgress job)</CODE> |
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335 | |
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336 | <BR> |
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337 | Fail a job and inform the listeners.</TD> |
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338 | </TR> |
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339 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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340 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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341 | <CODE>static <A HREF="http://java.sun.com/javase/6/docs/api/java/net/InetSocketAddress.html?is-external=true" title="class or interface in java.net">InetSocketAddress</A></CODE></FONT></TD> |
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342 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#getAddress(org.apache.hadoop.conf.Configuration)">getAddress</A></B>(<A HREF="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> conf)</CODE> |
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343 | |
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344 | <BR> |
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345 | </TD> |
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346 | </TR> |
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347 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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348 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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349 | <CODE> <A HREF="../../../../org/apache/hadoop/mapred/JobStatus.html" title="class in org.apache.hadoop.mapred">JobStatus</A>[]</CODE></FONT></TD> |
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350 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#getAllJobs()">getAllJobs</A></B>()</CODE> |
---|
351 | |
---|
352 | <BR> |
---|
353 | Get all the jobs submitted.</TD> |
---|
354 | </TR> |
---|
355 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
356 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
357 | <CODE> <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD> |
---|
358 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#getAssignedTracker(org.apache.hadoop.mapred.TaskAttemptID)">getAssignedTracker</A></B>(<A HREF="../../../../org/apache/hadoop/mapred/TaskAttemptID.html" title="class in org.apache.hadoop.mapred">TaskAttemptID</A> taskId)</CODE> |
---|
359 | |
---|
360 | <BR> |
---|
361 | Get tracker name for a given task id.</TD> |
---|
362 | </TR> |
---|
363 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
364 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
365 | <CODE> <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD> |
---|
366 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#getBuildVersion()">getBuildVersion</A></B>()</CODE> |
---|
367 | |
---|
368 | <BR> |
---|
369 | Returns the buildVersion of the JobTracker</TD> |
---|
370 | </TR> |
---|
371 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
372 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
373 | <CODE> <A HREF="../../../../org/apache/hadoop/mapred/TaskReport.html" title="class in org.apache.hadoop.mapred">TaskReport</A>[]</CODE></FONT></TD> |
---|
374 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#getCleanupTaskReports(org.apache.hadoop.mapred.JobID)">getCleanupTaskReports</A></B>(<A HREF="../../../../org/apache/hadoop/mapred/JobID.html" title="class in org.apache.hadoop.mapred">JobID</A> jobid)</CODE> |
---|
375 | |
---|
376 | <BR> |
---|
377 | Grab a bunch of info on the cleanup tasks that make up the job</TD> |
---|
378 | </TR> |
---|
379 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
380 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
381 | <CODE> <A HREF="../../../../org/apache/hadoop/mapred/ClusterStatus.html" title="class in org.apache.hadoop.mapred">ClusterStatus</A></CODE></FONT></TD> |
---|
382 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#getClusterStatus()">getClusterStatus</A></B>()</CODE> |
---|
383 | |
---|
384 | <BR> |
---|
385 | <B>Deprecated.</B> <I>use <A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#getClusterStatus(boolean)"><CODE>getClusterStatus(boolean)</CODE></A></I></TD> |
---|
386 | </TR> |
---|
387 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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388 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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389 | <CODE> <A HREF="../../../../org/apache/hadoop/mapred/ClusterStatus.html" title="class in org.apache.hadoop.mapred">ClusterStatus</A></CODE></FONT></TD> |
---|
390 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#getClusterStatus(boolean)">getClusterStatus</A></B>(boolean detailed)</CODE> |
---|
391 | |
---|
392 | <BR> |
---|
393 | Get the current status of the cluster</TD> |
---|
394 | </TR> |
---|
395 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
396 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
397 | <CODE> <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD> |
---|
398 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#getFilesystemName()">getFilesystemName</A></B>()</CODE> |
---|
399 | |
---|
400 | <BR> |
---|
401 | Grab the local fs name</TD> |
---|
402 | </TR> |
---|
403 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
404 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
405 | <CODE> int</CODE></FONT></TD> |
---|
406 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#getInfoPort()">getInfoPort</A></B>()</CODE> |
---|
407 | |
---|
408 | <BR> |
---|
409 | </TD> |
---|
410 | </TR> |
---|
411 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
412 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
413 | <CODE>static <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A><? extends org.apache.hadoop.mapred.JobTrackerInstrumentation></CODE></FONT></TD> |
---|
414 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#getInstrumentationClass(org.apache.hadoop.conf.Configuration)">getInstrumentationClass</A></B>(<A HREF="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> conf)</CODE> |
---|
415 | |
---|
416 | <BR> |
---|
417 | </TD> |
---|
418 | </TR> |
---|
419 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
420 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
421 | <CODE> org.apache.hadoop.mapred.JobInProgress</CODE></FONT></TD> |
---|
422 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#getJob(org.apache.hadoop.mapred.JobID)">getJob</A></B>(<A HREF="../../../../org/apache/hadoop/mapred/JobID.html" title="class in org.apache.hadoop.mapred">JobID</A> jobid)</CODE> |
---|
423 | |
---|
424 | <BR> |
---|
425 | Obtain the job object identified by jobid</TD> |
---|
426 | </TR> |
---|
427 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
428 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
429 | <CODE> <A HREF="../../../../org/apache/hadoop/mapred/Counters.html" title="class in org.apache.hadoop.mapred">Counters</A></CODE></FONT></TD> |
---|
430 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#getJobCounters(org.apache.hadoop.mapred.JobID)">getJobCounters</A></B>(<A HREF="../../../../org/apache/hadoop/mapred/JobID.html" title="class in org.apache.hadoop.mapred">JobID</A> jobid)</CODE> |
---|
431 | |
---|
432 | <BR> |
---|
433 | Grab the current job counters</TD> |
---|
434 | </TR> |
---|
435 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
436 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
437 | <CODE> <A HREF="../../../../org/apache/hadoop/mapred/JobProfile.html" title="class in org.apache.hadoop.mapred">JobProfile</A></CODE></FONT></TD> |
---|
438 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#getJobProfile(org.apache.hadoop.mapred.JobID)">getJobProfile</A></B>(<A HREF="../../../../org/apache/hadoop/mapred/JobID.html" title="class in org.apache.hadoop.mapred">JobID</A> jobid)</CODE> |
---|
439 | |
---|
440 | <BR> |
---|
441 | Grab a handle to a job that is already known to the JobTracker.</TD> |
---|
442 | </TR> |
---|
443 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
444 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
445 | <CODE> <A HREF="../../../../org/apache/hadoop/mapred/JobStatus.html" title="class in org.apache.hadoop.mapred">JobStatus</A>[]</CODE></FONT></TD> |
---|
446 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#getJobsFromQueue(java.lang.String)">getJobsFromQueue</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> queue)</CODE> |
---|
447 | |
---|
448 | <BR> |
---|
449 | Gets all the jobs submitted to the particular Queue</TD> |
---|
450 | </TR> |
---|
451 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
452 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
453 | <CODE> <A HREF="../../../../org/apache/hadoop/mapred/JobStatus.html" title="class in org.apache.hadoop.mapred">JobStatus</A></CODE></FONT></TD> |
---|
454 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#getJobStatus(org.apache.hadoop.mapred.JobID)">getJobStatus</A></B>(<A HREF="../../../../org/apache/hadoop/mapred/JobID.html" title="class in org.apache.hadoop.mapred">JobID</A> jobid)</CODE> |
---|
455 | |
---|
456 | <BR> |
---|
457 | Grab a handle to a job that is already known to the JobTracker.</TD> |
---|
458 | </TR> |
---|
459 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
460 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
461 | <CODE> <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD> |
---|
462 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#getJobTrackerMachine()">getJobTrackerMachine</A></B>()</CODE> |
---|
463 | |
---|
464 | <BR> |
---|
465 | </TD> |
---|
466 | </TR> |
---|
467 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
468 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
469 | <CODE>static <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD> |
---|
470 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#getLocalJobFilePath(org.apache.hadoop.mapred.JobID)">getLocalJobFilePath</A></B>(<A HREF="../../../../org/apache/hadoop/mapred/JobID.html" title="class in org.apache.hadoop.mapred">JobID</A> jobId)</CODE> |
---|
471 | |
---|
472 | <BR> |
---|
473 | Get the localized job file path on the job trackers local file system</TD> |
---|
474 | </TR> |
---|
475 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
476 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
477 | <CODE> <A HREF="../../../../org/apache/hadoop/mapred/TaskReport.html" title="class in org.apache.hadoop.mapred">TaskReport</A>[]</CODE></FONT></TD> |
---|
478 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#getMapTaskReports(org.apache.hadoop.mapred.JobID)">getMapTaskReports</A></B>(<A HREF="../../../../org/apache/hadoop/mapred/JobID.html" title="class in org.apache.hadoop.mapred">JobID</A> jobid)</CODE> |
---|
479 | |
---|
480 | <BR> |
---|
481 | Grab a bunch of info on the map tasks that make up the job</TD> |
---|
482 | </TR> |
---|
483 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
484 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
485 | <CODE> <A HREF="../../../../org/apache/hadoop/mapred/JobID.html" title="class in org.apache.hadoop.mapred">JobID</A></CODE></FONT></TD> |
---|
486 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#getNewJobId()">getNewJobId</A></B>()</CODE> |
---|
487 | |
---|
488 | <BR> |
---|
489 | Allocates a new JobId string.</TD> |
---|
490 | </TR> |
---|
491 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
492 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
493 | <CODE> int</CODE></FONT></TD> |
---|
494 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#getNextHeartbeatInterval()">getNextHeartbeatInterval</A></B>()</CODE> |
---|
495 | |
---|
496 | <BR> |
---|
497 | Calculates next heartbeat interval using cluster size.</TD> |
---|
498 | </TR> |
---|
499 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
500 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
501 | <CODE> <A HREF="../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A></CODE></FONT></TD> |
---|
502 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#getNode(java.lang.String)">getNode</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name)</CODE> |
---|
503 | |
---|
504 | <BR> |
---|
505 | Return the Node in the network topology that corresponds to the hostname</TD> |
---|
506 | </TR> |
---|
507 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
508 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
509 | <CODE> <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</A><<A HREF="../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A>></CODE></FONT></TD> |
---|
510 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#getNodesAtMaxLevel()">getNodesAtMaxLevel</A></B>()</CODE> |
---|
511 | |
---|
512 | <BR> |
---|
513 | Returns a collection of nodes at the max level</TD> |
---|
514 | </TR> |
---|
515 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
516 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
517 | <CODE> int</CODE></FONT></TD> |
---|
518 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#getNumberOfUniqueHosts()">getNumberOfUniqueHosts</A></B>()</CODE> |
---|
519 | |
---|
520 | <BR> |
---|
521 | </TD> |
---|
522 | </TR> |
---|
523 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
524 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
525 | <CODE> int</CODE></FONT></TD> |
---|
526 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#getNumResolvedTaskTrackers()">getNumResolvedTaskTrackers</A></B>()</CODE> |
---|
527 | |
---|
528 | <BR> |
---|
529 | </TD> |
---|
530 | </TR> |
---|
531 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
532 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
533 | <CODE> int</CODE></FONT></TD> |
---|
534 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#getNumTaskCacheLevels()">getNumTaskCacheLevels</A></B>()</CODE> |
---|
535 | |
---|
536 | <BR> |
---|
537 | </TD> |
---|
538 | </TR> |
---|
539 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
540 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
541 | <CODE>static <A HREF="../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A></CODE></FONT></TD> |
---|
542 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#getParentNode(org.apache.hadoop.net.Node, int)">getParentNode</A></B>(<A HREF="../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A> node, |
---|
543 | int level)</CODE> |
---|
544 | |
---|
545 | <BR> |
---|
546 | </TD> |
---|
547 | </TR> |
---|
548 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
549 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
550 | <CODE> long</CODE></FONT></TD> |
---|
551 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#getProtocolVersion(java.lang.String, long)">getProtocolVersion</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> protocol, |
---|
552 | long clientVersion)</CODE> |
---|
553 | |
---|
554 | <BR> |
---|
555 | Return protocol version corresponding to protocol interface.</TD> |
---|
556 | </TR> |
---|
557 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
558 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
559 | <CODE> <A HREF="../../../../org/apache/hadoop/mapred/JobQueueInfo.html" title="class in org.apache.hadoop.mapred">JobQueueInfo</A></CODE></FONT></TD> |
---|
560 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#getQueueInfo(java.lang.String)">getQueueInfo</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> queue)</CODE> |
---|
561 | |
---|
562 | <BR> |
---|
563 | Gets scheduling information associated with the particular Job queue</TD> |
---|
564 | </TR> |
---|
565 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
566 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
567 | <CODE> org.apache.hadoop.mapred.QueueManager</CODE></FONT></TD> |
---|
568 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#getQueueManager()">getQueueManager</A></B>()</CODE> |
---|
569 | |
---|
570 | <BR> |
---|
571 | Return the <CODE>QueueManager</CODE> associated with the JobTracker.</TD> |
---|
572 | </TR> |
---|
573 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
574 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
575 | <CODE> <A HREF="../../../../org/apache/hadoop/mapred/JobQueueInfo.html" title="class in org.apache.hadoop.mapred">JobQueueInfo</A>[]</CODE></FONT></TD> |
---|
576 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#getQueues()">getQueues</A></B>()</CODE> |
---|
577 | |
---|
578 | <BR> |
---|
579 | Gets set of Job Queues associated with the Job Tracker</TD> |
---|
580 | </TR> |
---|
581 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
582 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
583 | <CODE> long</CODE></FONT></TD> |
---|
584 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#getRecoveryDuration()">getRecoveryDuration</A></B>()</CODE> |
---|
585 | |
---|
586 | <BR> |
---|
587 | How long the jobtracker took to recover from restart.</TD> |
---|
588 | </TR> |
---|
589 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
590 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
591 | <CODE> <A HREF="../../../../org/apache/hadoop/mapred/TaskReport.html" title="class in org.apache.hadoop.mapred">TaskReport</A>[]</CODE></FONT></TD> |
---|
592 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#getReduceTaskReports(org.apache.hadoop.mapred.JobID)">getReduceTaskReports</A></B>(<A HREF="../../../../org/apache/hadoop/mapred/JobID.html" title="class in org.apache.hadoop.mapred">JobID</A> jobid)</CODE> |
---|
593 | |
---|
594 | <BR> |
---|
595 | Grab a bunch of info on the reduce tasks that make up the job</TD> |
---|
596 | </TR> |
---|
597 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
598 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
599 | <CODE> <A HREF="http://java.sun.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</A><org.apache.hadoop.mapred.JobInProgress></CODE></FONT></TD> |
---|
600 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#getRunningJobs()">getRunningJobs</A></B>()</CODE> |
---|
601 | |
---|
602 | <BR> |
---|
603 | Version that is called from a timer thread, and therefore needs to be |
---|
604 | careful to synchronize.</TD> |
---|
605 | </TR> |
---|
606 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
607 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
608 | <CODE> <A HREF="../../../../org/apache/hadoop/mapred/TaskReport.html" title="class in org.apache.hadoop.mapred">TaskReport</A>[]</CODE></FONT></TD> |
---|
609 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#getSetupTaskReports(org.apache.hadoop.mapred.JobID)">getSetupTaskReports</A></B>(<A HREF="../../../../org/apache/hadoop/mapred/JobID.html" title="class in org.apache.hadoop.mapred">JobID</A> jobid)</CODE> |
---|
610 | |
---|
611 | <BR> |
---|
612 | Grab a bunch of info on the setup tasks that make up the job</TD> |
---|
613 | </TR> |
---|
614 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
615 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
616 | <CODE> long</CODE></FONT></TD> |
---|
617 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#getStartTime()">getStartTime</A></B>()</CODE> |
---|
618 | |
---|
619 | <BR> |
---|
620 | </TD> |
---|
621 | </TR> |
---|
622 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
623 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
624 | <CODE> <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD> |
---|
625 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#getSystemDir()">getSystemDir</A></B>()</CODE> |
---|
626 | |
---|
627 | <BR> |
---|
628 | Grab the jobtracker system directory path where job-specific files are to be placed.</TD> |
---|
629 | </TR> |
---|
630 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
631 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
632 | <CODE> <A HREF="../../../../org/apache/hadoop/mapred/TaskCompletionEvent.html" title="class in org.apache.hadoop.mapred">TaskCompletionEvent</A>[]</CODE></FONT></TD> |
---|
633 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#getTaskCompletionEvents(org.apache.hadoop.mapred.JobID, int, int)">getTaskCompletionEvents</A></B>(<A HREF="../../../../org/apache/hadoop/mapred/JobID.html" title="class in org.apache.hadoop.mapred">JobID</A> jobid, |
---|
634 | int fromEventId, |
---|
635 | int maxEvents)</CODE> |
---|
636 | |
---|
637 | <BR> |
---|
638 | Get task completion events for the jobid, starting from fromEventId.</TD> |
---|
639 | </TR> |
---|
640 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
641 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
642 | <CODE> <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>[]</CODE></FONT></TD> |
---|
643 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#getTaskDiagnostics(org.apache.hadoop.mapred.TaskAttemptID)">getTaskDiagnostics</A></B>(<A HREF="../../../../org/apache/hadoop/mapred/TaskAttemptID.html" title="class in org.apache.hadoop.mapred">TaskAttemptID</A> taskId)</CODE> |
---|
644 | |
---|
645 | <BR> |
---|
646 | Get the diagnostics for a given task</TD> |
---|
647 | </TR> |
---|
648 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
649 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
650 | <CODE> org.apache.hadoop.mapred.TaskTrackerStatus</CODE></FONT></TD> |
---|
651 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#getTaskTracker(java.lang.String)">getTaskTracker</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> trackerID)</CODE> |
---|
652 | |
---|
653 | <BR> |
---|
654 | </TD> |
---|
655 | </TR> |
---|
656 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
657 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
658 | <CODE> org.apache.hadoop.mapred.TaskInProgress</CODE></FONT></TD> |
---|
659 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#getTip(org.apache.hadoop.mapred.TaskID)">getTip</A></B>(<A HREF="../../../../org/apache/hadoop/mapred/TaskID.html" title="class in org.apache.hadoop.mapred">TaskID</A> tipid)</CODE> |
---|
660 | |
---|
661 | <BR> |
---|
662 | Returns specified TaskInProgress, or null.</TD> |
---|
663 | </TR> |
---|
664 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
665 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
666 | <CODE> int</CODE></FONT></TD> |
---|
667 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#getTotalSubmissions()">getTotalSubmissions</A></B>()</CODE> |
---|
668 | |
---|
669 | <BR> |
---|
670 | </TD> |
---|
671 | </TR> |
---|
672 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
673 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
674 | <CODE> <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD> |
---|
675 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#getTrackerIdentifier()">getTrackerIdentifier</A></B>()</CODE> |
---|
676 | |
---|
677 | <BR> |
---|
678 | Get the unique identifier (ie.</TD> |
---|
679 | </TR> |
---|
680 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
681 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
682 | <CODE> int</CODE></FONT></TD> |
---|
683 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#getTrackerPort()">getTrackerPort</A></B>()</CODE> |
---|
684 | |
---|
685 | <BR> |
---|
686 | </TD> |
---|
687 | </TR> |
---|
688 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
689 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
690 | <CODE> boolean</CODE></FONT></TD> |
---|
691 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#hasRecovered()">hasRecovered</A></B>()</CODE> |
---|
692 | |
---|
693 | <BR> |
---|
694 | Whether the JT has recovered upon restart</TD> |
---|
695 | </TR> |
---|
696 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
697 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
698 | <CODE> boolean</CODE></FONT></TD> |
---|
699 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#hasRestarted()">hasRestarted</A></B>()</CODE> |
---|
700 | |
---|
701 | <BR> |
---|
702 | Whether the JT has restarted</TD> |
---|
703 | </TR> |
---|
704 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
705 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
706 | <CODE> org.apache.hadoop.mapred.HeartbeatResponse</CODE></FONT></TD> |
---|
707 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#heartbeat(org.apache.hadoop.mapred.TaskTrackerStatus, boolean, boolean, boolean, short)">heartbeat</A></B>(org.apache.hadoop.mapred.TaskTrackerStatus status, |
---|
708 | boolean restarted, |
---|
709 | boolean initialContact, |
---|
710 | boolean acceptNewTasks, |
---|
711 | short responseId)</CODE> |
---|
712 | |
---|
713 | <BR> |
---|
714 | The periodic heartbeat mechanism between the <A HREF="../../../../org/apache/hadoop/mapred/TaskTracker.html" title="class in org.apache.hadoop.mapred"><CODE>TaskTracker</CODE></A> and |
---|
715 | the <A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html" title="class in org.apache.hadoop.mapred"><CODE>JobTracker</CODE></A>.</TD> |
---|
716 | </TR> |
---|
717 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
718 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
719 | <CODE> void</CODE></FONT></TD> |
---|
720 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#initJob(org.apache.hadoop.mapred.JobInProgress)">initJob</A></B>(org.apache.hadoop.mapred.JobInProgress job)</CODE> |
---|
721 | |
---|
722 | <BR> |
---|
723 | Initialize the Job</TD> |
---|
724 | </TR> |
---|
725 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
726 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
727 | <CODE> boolean</CODE></FONT></TD> |
---|
728 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#isBlacklisted(java.lang.String)">isBlacklisted</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> trackerID)</CODE> |
---|
729 | |
---|
730 | <BR> |
---|
731 | Whether the tracker is blacklisted or not</TD> |
---|
732 | </TR> |
---|
733 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
734 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
735 | <CODE> <A HREF="../../../../org/apache/hadoop/mapred/JobStatus.html" title="class in org.apache.hadoop.mapred">JobStatus</A>[]</CODE></FONT></TD> |
---|
736 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#jobsToComplete()">jobsToComplete</A></B>()</CODE> |
---|
737 | |
---|
738 | <BR> |
---|
739 | Get the jobs that are not completed and not failed</TD> |
---|
740 | </TR> |
---|
741 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
742 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
743 | <CODE> void</CODE></FONT></TD> |
---|
744 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#killJob(org.apache.hadoop.mapred.JobID)">killJob</A></B>(<A HREF="../../../../org/apache/hadoop/mapred/JobID.html" title="class in org.apache.hadoop.mapred">JobID</A> jobid)</CODE> |
---|
745 | |
---|
746 | <BR> |
---|
747 | Kill the indicated job</TD> |
---|
748 | </TR> |
---|
749 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
750 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
751 | <CODE> boolean</CODE></FONT></TD> |
---|
752 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#killTask(org.apache.hadoop.mapred.TaskAttemptID, boolean)">killTask</A></B>(<A HREF="../../../../org/apache/hadoop/mapred/TaskAttemptID.html" title="class in org.apache.hadoop.mapred">TaskAttemptID</A> taskid, |
---|
753 | boolean shouldFail)</CODE> |
---|
754 | |
---|
755 | <BR> |
---|
756 | Mark a Task to be killed</TD> |
---|
757 | </TR> |
---|
758 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
759 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
760 | <CODE>static void</CODE></FONT></TD> |
---|
761 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#main(java.lang.String[])">main</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>[] argv)</CODE> |
---|
762 | |
---|
763 | <BR> |
---|
764 | Start the JobTracker process.</TD> |
---|
765 | </TR> |
---|
766 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
767 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
768 | <CODE> void</CODE></FONT></TD> |
---|
769 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#offerService()">offerService</A></B>()</CODE> |
---|
770 | |
---|
771 | <BR> |
---|
772 | Run forever</TD> |
---|
773 | </TR> |
---|
774 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
775 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
776 | <CODE> void</CODE></FONT></TD> |
---|
777 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#refreshServiceAcl()">refreshServiceAcl</A></B>()</CODE> |
---|
778 | |
---|
779 | <BR> |
---|
780 | Refresh the service-level authorization policy in-effect.</TD> |
---|
781 | </TR> |
---|
782 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
783 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
784 | <CODE> void</CODE></FONT></TD> |
---|
785 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#removeJobInProgressListener(org.apache.hadoop.mapred.JobInProgressListener)">removeJobInProgressListener</A></B>(org.apache.hadoop.mapred.JobInProgressListener listener)</CODE> |
---|
786 | |
---|
787 | <BR> |
---|
788 | Unregisters a <CODE>JobInProgressListener</CODE> from this |
---|
789 | <CODE>TaskTrackerManager</CODE>.</TD> |
---|
790 | </TR> |
---|
791 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
792 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
793 | <CODE> void</CODE></FONT></TD> |
---|
794 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#reportTaskTrackerError(java.lang.String, java.lang.String, java.lang.String)">reportTaskTrackerError</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> taskTracker, |
---|
795 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> errorClass, |
---|
796 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> errorMessage)</CODE> |
---|
797 | |
---|
798 | <BR> |
---|
799 | Report a problem to the job tracker.</TD> |
---|
800 | </TR> |
---|
801 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
802 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
803 | <CODE> <A HREF="../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A></CODE></FONT></TD> |
---|
804 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#resolveAndAddToTopology(java.lang.String)">resolveAndAddToTopology</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name)</CODE> |
---|
805 | |
---|
806 | <BR> |
---|
807 | </TD> |
---|
808 | </TR> |
---|
809 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
810 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
811 | <CODE> <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Vector.html?is-external=true" title="class or interface in java.util">Vector</A><org.apache.hadoop.mapred.JobInProgress></CODE></FONT></TD> |
---|
812 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#runningJobs()">runningJobs</A></B>()</CODE> |
---|
813 | |
---|
814 | <BR> |
---|
815 | </TD> |
---|
816 | </TR> |
---|
817 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
818 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
819 | <CODE>static void</CODE></FONT></TD> |
---|
820 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#setInstrumentationClass(org.apache.hadoop.conf.Configuration, java.lang.Class)">setInstrumentationClass</A></B>(<A HREF="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> conf, |
---|
821 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A><? extends org.apache.hadoop.mapred.JobTrackerInstrumentation> t)</CODE> |
---|
822 | |
---|
823 | <BR> |
---|
824 | </TD> |
---|
825 | </TR> |
---|
826 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
827 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
828 | <CODE> void</CODE></FONT></TD> |
---|
829 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#setJobPriority(org.apache.hadoop.mapred.JobID, java.lang.String)">setJobPriority</A></B>(<A HREF="../../../../org/apache/hadoop/mapred/JobID.html" title="class in org.apache.hadoop.mapred">JobID</A> jobid, |
---|
830 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> priority)</CODE> |
---|
831 | |
---|
832 | <BR> |
---|
833 | Set the priority of a job</TD> |
---|
834 | </TR> |
---|
835 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
836 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
837 | <CODE>static <A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html" title="class in org.apache.hadoop.mapred">JobTracker</A></CODE></FONT></TD> |
---|
838 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#startTracker(org.apache.hadoop.mapred.JobConf)">startTracker</A></B>(<A HREF="../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</A> conf)</CODE> |
---|
839 | |
---|
840 | <BR> |
---|
841 | Start the JobTracker with given configuration.</TD> |
---|
842 | </TR> |
---|
843 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
844 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
845 | <CODE>static <A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html" title="class in org.apache.hadoop.mapred">JobTracker</A></CODE></FONT></TD> |
---|
846 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#startTracker(org.apache.hadoop.mapred.JobConf, java.lang.String)">startTracker</A></B>(<A HREF="../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</A> conf, |
---|
847 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> identifier)</CODE> |
---|
848 | |
---|
849 | <BR> |
---|
850 | </TD> |
---|
851 | </TR> |
---|
852 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
853 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
854 | <CODE> void</CODE></FONT></TD> |
---|
855 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#stopTracker()">stopTracker</A></B>()</CODE> |
---|
856 | |
---|
857 | <BR> |
---|
858 | </TD> |
---|
859 | </TR> |
---|
860 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
861 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
862 | <CODE> <A HREF="../../../../org/apache/hadoop/mapred/JobStatus.html" title="class in org.apache.hadoop.mapred">JobStatus</A></CODE></FONT></TD> |
---|
863 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#submitJob(org.apache.hadoop.mapred.JobID)">submitJob</A></B>(<A HREF="../../../../org/apache/hadoop/mapred/JobID.html" title="class in org.apache.hadoop.mapred">JobID</A> jobId)</CODE> |
---|
864 | |
---|
865 | <BR> |
---|
866 | JobTracker.submitJob() kicks off a new job.</TD> |
---|
867 | </TR> |
---|
868 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
869 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
870 | <CODE> <A HREF="http://java.sun.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</A><<A HREF="http://java.sun.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</A><<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>>></CODE></FONT></TD> |
---|
871 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#taskTrackerNames()">taskTrackerNames</A></B>()</CODE> |
---|
872 | |
---|
873 | <BR> |
---|
874 | Get the active and blacklisted task tracker names in the cluster.</TD> |
---|
875 | </TR> |
---|
876 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
877 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
878 | <CODE> <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</A><org.apache.hadoop.mapred.TaskTrackerStatus></CODE></FONT></TD> |
---|
879 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#taskTrackers()">taskTrackers</A></B>()</CODE> |
---|
880 | |
---|
881 | <BR> |
---|
882 | Get all the task trackers in the cluster</TD> |
---|
883 | </TR> |
---|
884 | </TABLE> |
---|
885 | <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A> |
---|
886 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
---|
887 | <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> |
---|
888 | <TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></B></TH> |
---|
889 | </TR> |
---|
890 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
891 | <TD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD> |
---|
892 | </TR> |
---|
893 | </TABLE> |
---|
894 | |
---|
895 | <P> |
---|
896 | |
---|
897 | <!-- ============ FIELD DETAIL =========== --> |
---|
898 | |
---|
899 | <A NAME="field_detail"><!-- --></A> |
---|
900 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
---|
901 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
---|
902 | <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> |
---|
903 | <B>Field Detail</B></FONT></TH> |
---|
904 | </TR> |
---|
905 | </TABLE> |
---|
906 | |
---|
907 | <A NAME="LOG"><!-- --></A><H3> |
---|
908 | LOG</H3> |
---|
909 | <PRE> |
---|
910 | public static final org.apache.commons.logging.Log <B>LOG</B></PRE> |
---|
911 | <DL> |
---|
912 | <DL> |
---|
913 | </DL> |
---|
914 | </DL> |
---|
915 | <HR> |
---|
916 | |
---|
917 | <A NAME="HEARTBEAT_INTERVAL_MIN"><!-- --></A><H3> |
---|
918 | HEARTBEAT_INTERVAL_MIN</H3> |
---|
919 | <PRE> |
---|
920 | public static final int <B>HEARTBEAT_INTERVAL_MIN</B></PRE> |
---|
921 | <DL> |
---|
922 | <DL> |
---|
923 | <DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.apache.hadoop.mapred.JobTracker.HEARTBEAT_INTERVAL_MIN">Constant Field Values</A></DL> |
---|
924 | </DL> |
---|
925 | <HR> |
---|
926 | |
---|
927 | <A NAME="CLUSTER_INCREMENT"><!-- --></A><H3> |
---|
928 | CLUSTER_INCREMENT</H3> |
---|
929 | <PRE> |
---|
930 | public static final int <B>CLUSTER_INCREMENT</B></PRE> |
---|
931 | <DL> |
---|
932 | <DL> |
---|
933 | <DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.apache.hadoop.mapred.JobTracker.CLUSTER_INCREMENT">Constant Field Values</A></DL> |
---|
934 | </DL> |
---|
935 | <HR> |
---|
936 | |
---|
937 | <A NAME="COUNTER_UPDATE_INTERVAL"><!-- --></A><H3> |
---|
938 | COUNTER_UPDATE_INTERVAL</H3> |
---|
939 | <PRE> |
---|
940 | public static final long <B>COUNTER_UPDATE_INTERVAL</B></PRE> |
---|
941 | <DL> |
---|
942 | <DL> |
---|
943 | <DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.apache.hadoop.mapred.JobTracker.COUNTER_UPDATE_INTERVAL">Constant Field Values</A></DL> |
---|
944 | </DL> |
---|
945 | <HR> |
---|
946 | |
---|
947 | <A NAME="SUCCESS"><!-- --></A><H3> |
---|
948 | SUCCESS</H3> |
---|
949 | <PRE> |
---|
950 | public static final int <B>SUCCESS</B></PRE> |
---|
951 | <DL> |
---|
952 | <DL> |
---|
953 | <DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.apache.hadoop.mapred.JobTracker.SUCCESS">Constant Field Values</A></DL> |
---|
954 | </DL> |
---|
955 | <HR> |
---|
956 | |
---|
957 | <A NAME="FILE_NOT_FOUND"><!-- --></A><H3> |
---|
958 | FILE_NOT_FOUND</H3> |
---|
959 | <PRE> |
---|
960 | public static final int <B>FILE_NOT_FOUND</B></PRE> |
---|
961 | <DL> |
---|
962 | <DL> |
---|
963 | <DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.apache.hadoop.mapred.JobTracker.FILE_NOT_FOUND">Constant Field Values</A></DL> |
---|
964 | </DL> |
---|
965 | <HR> |
---|
966 | |
---|
967 | <A NAME="MAP_OUTPUT_LENGTH"><!-- --></A><H3> |
---|
968 | MAP_OUTPUT_LENGTH</H3> |
---|
969 | <PRE> |
---|
970 | public static final <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>MAP_OUTPUT_LENGTH</B></PRE> |
---|
971 | <DL> |
---|
972 | <DD>The custom http header used for the map output length. |
---|
973 | <P> |
---|
974 | <DL> |
---|
975 | <DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.apache.hadoop.mapred.JobTracker.MAP_OUTPUT_LENGTH">Constant Field Values</A></DL> |
---|
976 | </DL> |
---|
977 | <HR> |
---|
978 | |
---|
979 | <A NAME="RAW_MAP_OUTPUT_LENGTH"><!-- --></A><H3> |
---|
980 | RAW_MAP_OUTPUT_LENGTH</H3> |
---|
981 | <PRE> |
---|
982 | public static final <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>RAW_MAP_OUTPUT_LENGTH</B></PRE> |
---|
983 | <DL> |
---|
984 | <DD>The custom http header used for the "raw" map output length. |
---|
985 | <P> |
---|
986 | <DL> |
---|
987 | <DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.apache.hadoop.mapred.JobTracker.RAW_MAP_OUTPUT_LENGTH">Constant Field Values</A></DL> |
---|
988 | </DL> |
---|
989 | <HR> |
---|
990 | |
---|
991 | <A NAME="FROM_MAP_TASK"><!-- --></A><H3> |
---|
992 | FROM_MAP_TASK</H3> |
---|
993 | <PRE> |
---|
994 | public static final <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>FROM_MAP_TASK</B></PRE> |
---|
995 | <DL> |
---|
996 | <DD>The map task from which the map output data is being transferred |
---|
997 | <P> |
---|
998 | <DL> |
---|
999 | <DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.apache.hadoop.mapred.JobTracker.FROM_MAP_TASK">Constant Field Values</A></DL> |
---|
1000 | </DL> |
---|
1001 | <HR> |
---|
1002 | |
---|
1003 | <A NAME="FOR_REDUCE_TASK"><!-- --></A><H3> |
---|
1004 | FOR_REDUCE_TASK</H3> |
---|
1005 | <PRE> |
---|
1006 | public static final <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>FOR_REDUCE_TASK</B></PRE> |
---|
1007 | <DL> |
---|
1008 | <DD>The reduce task number for which this map output is being transferred |
---|
1009 | <P> |
---|
1010 | <DL> |
---|
1011 | <DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.apache.hadoop.mapred.JobTracker.FOR_REDUCE_TASK">Constant Field Values</A></DL> |
---|
1012 | </DL> |
---|
1013 | <HR> |
---|
1014 | |
---|
1015 | <A NAME="WORKDIR"><!-- --></A><H3> |
---|
1016 | WORKDIR</H3> |
---|
1017 | <PRE> |
---|
1018 | public static final <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>WORKDIR</B></PRE> |
---|
1019 | <DL> |
---|
1020 | <DL> |
---|
1021 | <DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.apache.hadoop.mapred.JobTracker.WORKDIR">Constant Field Values</A></DL> |
---|
1022 | </DL> |
---|
1023 | <HR> |
---|
1024 | |
---|
1025 | <A NAME="versionID"><!-- --></A><H3> |
---|
1026 | versionID</H3> |
---|
1027 | <PRE> |
---|
1028 | public static final long <B>versionID</B></PRE> |
---|
1029 | <DL> |
---|
1030 | <DD>version 3 introduced to replace |
---|
1031 | emitHearbeat/pollForNewTask/pollForTaskWithClosedJob with |
---|
1032 | <A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#heartbeat(org.apache.hadoop.mapred.TaskTrackerStatus, boolean, boolean, boolean, short)"><CODE>heartbeat(TaskTrackerStatus, boolean, boolean, boolean, short)</CODE></A> |
---|
1033 | version 4 changed TaskReport for HADOOP-549. |
---|
1034 | version 5 introduced that removes locateMapOutputs and instead uses |
---|
1035 | getTaskCompletionEvents to figure finished maps and fetch the outputs |
---|
1036 | version 6 adds maxTasks to TaskTrackerStatus for HADOOP-1245 |
---|
1037 | version 7 replaces maxTasks by maxMapTasks and maxReduceTasks in |
---|
1038 | TaskTrackerStatus for HADOOP-1274 |
---|
1039 | Version 8: HeartbeatResponse is added with the next heartbeat interval. |
---|
1040 | version 9 changes the counter representation for HADOOP-2248 |
---|
1041 | version 10 changes the TaskStatus representation for HADOOP-2208 |
---|
1042 | version 11 changes string to JobID in getTaskCompletionEvents(). |
---|
1043 | version 12 changes the counters representation for HADOOP-1915 |
---|
1044 | version 13 added call getBuildVersion() for HADOOP-236 |
---|
1045 | Version 14: replaced getFilesystemName with getSystemDir for HADOOP-3135 |
---|
1046 | Version 15: Changed format of Task and TaskStatus for HADOOP-153 |
---|
1047 | Version 16: adds ResourceStatus to TaskTrackerStatus for HADOOP-3759 |
---|
1048 | Version 17: Changed format of Task and TaskStatus for HADOOP-3150 |
---|
1049 | Version 18: Changed status message due to changes in TaskStatus |
---|
1050 | Version 19: Changed heartbeat to piggyback JobTracker restart information |
---|
1051 | so that the TaskTracker can synchronize itself. |
---|
1052 | Version 20: Changed status message due to changes in TaskStatus |
---|
1053 | (HADOOP-4232) |
---|
1054 | Version 21: Changed information reported in TaskTrackerStatus' |
---|
1055 | ResourceStatus and the corresponding accessor methods |
---|
1056 | (HADOOP-4035) |
---|
1057 | Version 22: Replaced parameter 'initialContact' with 'restarted' |
---|
1058 | in heartbeat method (HADOOP-4305) |
---|
1059 | Version 23: Added parameter 'initialContact' again in heartbeat method |
---|
1060 | (HADOOP-4869) |
---|
1061 | Version 24: Changed format of Task and TaskStatus for HADOOP-4759 |
---|
1062 | Version 25: JobIDs are passed in response to JobTracker restart |
---|
1063 | <P> |
---|
1064 | <DL> |
---|
1065 | <DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.apache.hadoop.mapred.JobTracker.versionID">Constant Field Values</A></DL> |
---|
1066 | </DL> |
---|
1067 | <HR> |
---|
1068 | |
---|
1069 | <A NAME="TRACKERS_OK"><!-- --></A><H3> |
---|
1070 | TRACKERS_OK</H3> |
---|
1071 | <PRE> |
---|
1072 | public static final int <B>TRACKERS_OK</B></PRE> |
---|
1073 | <DL> |
---|
1074 | <DL> |
---|
1075 | <DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.apache.hadoop.mapred.JobTracker.TRACKERS_OK">Constant Field Values</A></DL> |
---|
1076 | </DL> |
---|
1077 | <HR> |
---|
1078 | |
---|
1079 | <A NAME="UNKNOWN_TASKTRACKER"><!-- --></A><H3> |
---|
1080 | UNKNOWN_TASKTRACKER</H3> |
---|
1081 | <PRE> |
---|
1082 | public static final int <B>UNKNOWN_TASKTRACKER</B></PRE> |
---|
1083 | <DL> |
---|
1084 | <DL> |
---|
1085 | <DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.apache.hadoop.mapred.JobTracker.UNKNOWN_TASKTRACKER">Constant Field Values</A></DL> |
---|
1086 | </DL> |
---|
1087 | <HR> |
---|
1088 | |
---|
1089 | <A NAME="versionID"><!-- --></A><H3> |
---|
1090 | versionID</H3> |
---|
1091 | <PRE> |
---|
1092 | public static final long <B>versionID</B></PRE> |
---|
1093 | <DL> |
---|
1094 | <DL> |
---|
1095 | <DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.apache.hadoop.mapred.JobTracker.versionID">Constant Field Values</A></DL> |
---|
1096 | </DL> |
---|
1097 | |
---|
1098 | <!-- ============ METHOD DETAIL ========== --> |
---|
1099 | |
---|
1100 | <A NAME="method_detail"><!-- --></A> |
---|
1101 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
---|
1102 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
---|
1103 | <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> |
---|
1104 | <B>Method Detail</B></FONT></TH> |
---|
1105 | </TR> |
---|
1106 | </TABLE> |
---|
1107 | |
---|
1108 | <A NAME="startTracker(org.apache.hadoop.mapred.JobConf)"><!-- --></A><H3> |
---|
1109 | startTracker</H3> |
---|
1110 | <PRE> |
---|
1111 | public static <A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html" title="class in org.apache.hadoop.mapred">JobTracker</A> <B>startTracker</B>(<A HREF="../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</A> conf) |
---|
1112 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A>, |
---|
1113 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</A></PRE> |
---|
1114 | <DL> |
---|
1115 | <DD>Start the JobTracker with given configuration. |
---|
1116 | |
---|
1117 | The conf will be modified to reflect the actual ports on which |
---|
1118 | the JobTracker is up and running if the user passes the port as |
---|
1119 | <code>zero</code>. |
---|
1120 | <P> |
---|
1121 | <DD><DL> |
---|
1122 | </DL> |
---|
1123 | </DD> |
---|
1124 | <DD><DL> |
---|
1125 | <DT><B>Parameters:</B><DD><CODE>conf</CODE> - configuration for the JobTracker. |
---|
1126 | <DT><B>Throws:</B> |
---|
1127 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> |
---|
1128 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</A></CODE></DL> |
---|
1129 | </DD> |
---|
1130 | </DL> |
---|
1131 | <HR> |
---|
1132 | |
---|
1133 | <A NAME="startTracker(org.apache.hadoop.mapred.JobConf, java.lang.String)"><!-- --></A><H3> |
---|
1134 | startTracker</H3> |
---|
1135 | <PRE> |
---|
1136 | public static <A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html" title="class in org.apache.hadoop.mapred">JobTracker</A> <B>startTracker</B>(<A HREF="../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</A> conf, |
---|
1137 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> identifier) |
---|
1138 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A>, |
---|
1139 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</A></PRE> |
---|
1140 | <DL> |
---|
1141 | <DD><DL> |
---|
1142 | </DL> |
---|
1143 | </DD> |
---|
1144 | <DD><DL> |
---|
1145 | |
---|
1146 | <DT><B>Throws:</B> |
---|
1147 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> |
---|
1148 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</A></CODE></DL> |
---|
1149 | </DD> |
---|
1150 | </DL> |
---|
1151 | <HR> |
---|
1152 | |
---|
1153 | <A NAME="stopTracker()"><!-- --></A><H3> |
---|
1154 | stopTracker</H3> |
---|
1155 | <PRE> |
---|
1156 | public void <B>stopTracker</B>() |
---|
1157 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE> |
---|
1158 | <DL> |
---|
1159 | <DD><DL> |
---|
1160 | </DL> |
---|
1161 | </DD> |
---|
1162 | <DD><DL> |
---|
1163 | |
---|
1164 | <DT><B>Throws:</B> |
---|
1165 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL> |
---|
1166 | </DD> |
---|
1167 | </DL> |
---|
1168 | <HR> |
---|
1169 | |
---|
1170 | <A NAME="getProtocolVersion(java.lang.String, long)"><!-- --></A><H3> |
---|
1171 | getProtocolVersion</H3> |
---|
1172 | <PRE> |
---|
1173 | public long <B>getProtocolVersion</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> protocol, |
---|
1174 | long clientVersion) |
---|
1175 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE> |
---|
1176 | <DL> |
---|
1177 | <DD><B>Description copied from interface: <CODE><A HREF="../../../../org/apache/hadoop/ipc/VersionedProtocol.html#getProtocolVersion(java.lang.String, long)">VersionedProtocol</A></CODE></B></DD> |
---|
1178 | <DD>Return protocol version corresponding to protocol interface. |
---|
1179 | <P> |
---|
1180 | <DD><DL> |
---|
1181 | <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/hadoop/ipc/VersionedProtocol.html#getProtocolVersion(java.lang.String, long)">getProtocolVersion</A></CODE> in interface <CODE><A HREF="../../../../org/apache/hadoop/ipc/VersionedProtocol.html" title="interface in org.apache.hadoop.ipc">VersionedProtocol</A></CODE></DL> |
---|
1182 | </DD> |
---|
1183 | <DD><DL> |
---|
1184 | <DT><B>Parameters:</B><DD><CODE>protocol</CODE> - The classname of the protocol interface<DD><CODE>clientVersion</CODE> - The version of the protocol that the client speaks |
---|
1185 | <DT><B>Returns:</B><DD>the version that the server will speak |
---|
1186 | <DT><B>Throws:</B> |
---|
1187 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL> |
---|
1188 | </DD> |
---|
1189 | </DL> |
---|
1190 | <HR> |
---|
1191 | |
---|
1192 | <A NAME="hasRestarted()"><!-- --></A><H3> |
---|
1193 | hasRestarted</H3> |
---|
1194 | <PRE> |
---|
1195 | public boolean <B>hasRestarted</B>()</PRE> |
---|
1196 | <DL> |
---|
1197 | <DD>Whether the JT has restarted |
---|
1198 | <P> |
---|
1199 | <DD><DL> |
---|
1200 | </DL> |
---|
1201 | </DD> |
---|
1202 | <DD><DL> |
---|
1203 | </DL> |
---|
1204 | </DD> |
---|
1205 | </DL> |
---|
1206 | <HR> |
---|
1207 | |
---|
1208 | <A NAME="hasRecovered()"><!-- --></A><H3> |
---|
1209 | hasRecovered</H3> |
---|
1210 | <PRE> |
---|
1211 | public boolean <B>hasRecovered</B>()</PRE> |
---|
1212 | <DL> |
---|
1213 | <DD>Whether the JT has recovered upon restart |
---|
1214 | <P> |
---|
1215 | <DD><DL> |
---|
1216 | </DL> |
---|
1217 | </DD> |
---|
1218 | <DD><DL> |
---|
1219 | </DL> |
---|
1220 | </DD> |
---|
1221 | </DL> |
---|
1222 | <HR> |
---|
1223 | |
---|
1224 | <A NAME="getRecoveryDuration()"><!-- --></A><H3> |
---|
1225 | getRecoveryDuration</H3> |
---|
1226 | <PRE> |
---|
1227 | public long <B>getRecoveryDuration</B>()</PRE> |
---|
1228 | <DL> |
---|
1229 | <DD>How long the jobtracker took to recover from restart. |
---|
1230 | <P> |
---|
1231 | <DD><DL> |
---|
1232 | </DL> |
---|
1233 | </DD> |
---|
1234 | <DD><DL> |
---|
1235 | </DL> |
---|
1236 | </DD> |
---|
1237 | </DL> |
---|
1238 | <HR> |
---|
1239 | |
---|
1240 | <A NAME="getInstrumentationClass(org.apache.hadoop.conf.Configuration)"><!-- --></A><H3> |
---|
1241 | getInstrumentationClass</H3> |
---|
1242 | <PRE> |
---|
1243 | public static <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A><? extends org.apache.hadoop.mapred.JobTrackerInstrumentation> <B>getInstrumentationClass</B>(<A HREF="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> conf)</PRE> |
---|
1244 | <DL> |
---|
1245 | <DD><DL> |
---|
1246 | </DL> |
---|
1247 | </DD> |
---|
1248 | <DD><DL> |
---|
1249 | </DL> |
---|
1250 | </DD> |
---|
1251 | </DL> |
---|
1252 | <HR> |
---|
1253 | |
---|
1254 | <A NAME="setInstrumentationClass(org.apache.hadoop.conf.Configuration, java.lang.Class)"><!-- --></A><H3> |
---|
1255 | setInstrumentationClass</H3> |
---|
1256 | <PRE> |
---|
1257 | public static void <B>setInstrumentationClass</B>(<A HREF="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> conf, |
---|
1258 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A><? extends org.apache.hadoop.mapred.JobTrackerInstrumentation> t)</PRE> |
---|
1259 | <DL> |
---|
1260 | <DD><DL> |
---|
1261 | </DL> |
---|
1262 | </DD> |
---|
1263 | <DD><DL> |
---|
1264 | </DL> |
---|
1265 | </DD> |
---|
1266 | </DL> |
---|
1267 | <HR> |
---|
1268 | |
---|
1269 | <A NAME="getAddress(org.apache.hadoop.conf.Configuration)"><!-- --></A><H3> |
---|
1270 | getAddress</H3> |
---|
1271 | <PRE> |
---|
1272 | public static <A HREF="http://java.sun.com/javase/6/docs/api/java/net/InetSocketAddress.html?is-external=true" title="class or interface in java.net">InetSocketAddress</A> <B>getAddress</B>(<A HREF="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> conf)</PRE> |
---|
1273 | <DL> |
---|
1274 | <DD><DL> |
---|
1275 | </DL> |
---|
1276 | </DD> |
---|
1277 | <DD><DL> |
---|
1278 | </DL> |
---|
1279 | </DD> |
---|
1280 | </DL> |
---|
1281 | <HR> |
---|
1282 | |
---|
1283 | <A NAME="offerService()"><!-- --></A><H3> |
---|
1284 | offerService</H3> |
---|
1285 | <PRE> |
---|
1286 | public void <B>offerService</B>() |
---|
1287 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</A>, |
---|
1288 | <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE> |
---|
1289 | <DL> |
---|
1290 | <DD>Run forever |
---|
1291 | <P> |
---|
1292 | <DD><DL> |
---|
1293 | </DL> |
---|
1294 | </DD> |
---|
1295 | <DD><DL> |
---|
1296 | |
---|
1297 | <DT><B>Throws:</B> |
---|
1298 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</A></CODE> |
---|
1299 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL> |
---|
1300 | </DD> |
---|
1301 | </DL> |
---|
1302 | <HR> |
---|
1303 | |
---|
1304 | <A NAME="getTotalSubmissions()"><!-- --></A><H3> |
---|
1305 | getTotalSubmissions</H3> |
---|
1306 | <PRE> |
---|
1307 | public int <B>getTotalSubmissions</B>()</PRE> |
---|
1308 | <DL> |
---|
1309 | <DD><DL> |
---|
1310 | </DL> |
---|
1311 | </DD> |
---|
1312 | <DD><DL> |
---|
1313 | </DL> |
---|
1314 | </DD> |
---|
1315 | </DL> |
---|
1316 | <HR> |
---|
1317 | |
---|
1318 | <A NAME="getJobTrackerMachine()"><!-- --></A><H3> |
---|
1319 | getJobTrackerMachine</H3> |
---|
1320 | <PRE> |
---|
1321 | public <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>getJobTrackerMachine</B>()</PRE> |
---|
1322 | <DL> |
---|
1323 | <DD><DL> |
---|
1324 | </DL> |
---|
1325 | </DD> |
---|
1326 | <DD><DL> |
---|
1327 | </DL> |
---|
1328 | </DD> |
---|
1329 | </DL> |
---|
1330 | <HR> |
---|
1331 | |
---|
1332 | <A NAME="getTrackerIdentifier()"><!-- --></A><H3> |
---|
1333 | getTrackerIdentifier</H3> |
---|
1334 | <PRE> |
---|
1335 | public <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>getTrackerIdentifier</B>()</PRE> |
---|
1336 | <DL> |
---|
1337 | <DD>Get the unique identifier (ie. timestamp) of this job tracker start. |
---|
1338 | <P> |
---|
1339 | <DD><DL> |
---|
1340 | </DL> |
---|
1341 | </DD> |
---|
1342 | <DD><DL> |
---|
1343 | |
---|
1344 | <DT><B>Returns:</B><DD>a string with a unique identifier</DL> |
---|
1345 | </DD> |
---|
1346 | </DL> |
---|
1347 | <HR> |
---|
1348 | |
---|
1349 | <A NAME="getTrackerPort()"><!-- --></A><H3> |
---|
1350 | getTrackerPort</H3> |
---|
1351 | <PRE> |
---|
1352 | public int <B>getTrackerPort</B>()</PRE> |
---|
1353 | <DL> |
---|
1354 | <DD><DL> |
---|
1355 | </DL> |
---|
1356 | </DD> |
---|
1357 | <DD><DL> |
---|
1358 | </DL> |
---|
1359 | </DD> |
---|
1360 | </DL> |
---|
1361 | <HR> |
---|
1362 | |
---|
1363 | <A NAME="getInfoPort()"><!-- --></A><H3> |
---|
1364 | getInfoPort</H3> |
---|
1365 | <PRE> |
---|
1366 | public int <B>getInfoPort</B>()</PRE> |
---|
1367 | <DL> |
---|
1368 | <DD><DL> |
---|
1369 | </DL> |
---|
1370 | </DD> |
---|
1371 | <DD><DL> |
---|
1372 | </DL> |
---|
1373 | </DD> |
---|
1374 | </DL> |
---|
1375 | <HR> |
---|
1376 | |
---|
1377 | <A NAME="getStartTime()"><!-- --></A><H3> |
---|
1378 | getStartTime</H3> |
---|
1379 | <PRE> |
---|
1380 | public long <B>getStartTime</B>()</PRE> |
---|
1381 | <DL> |
---|
1382 | <DD><DL> |
---|
1383 | </DL> |
---|
1384 | </DD> |
---|
1385 | <DD><DL> |
---|
1386 | </DL> |
---|
1387 | </DD> |
---|
1388 | </DL> |
---|
1389 | <HR> |
---|
1390 | |
---|
1391 | <A NAME="runningJobs()"><!-- --></A><H3> |
---|
1392 | runningJobs</H3> |
---|
1393 | <PRE> |
---|
1394 | public <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Vector.html?is-external=true" title="class or interface in java.util">Vector</A><org.apache.hadoop.mapred.JobInProgress> <B>runningJobs</B>()</PRE> |
---|
1395 | <DL> |
---|
1396 | <DD><DL> |
---|
1397 | </DL> |
---|
1398 | </DD> |
---|
1399 | <DD><DL> |
---|
1400 | </DL> |
---|
1401 | </DD> |
---|
1402 | </DL> |
---|
1403 | <HR> |
---|
1404 | |
---|
1405 | <A NAME="getRunningJobs()"><!-- --></A><H3> |
---|
1406 | getRunningJobs</H3> |
---|
1407 | <PRE> |
---|
1408 | public <A HREF="http://java.sun.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</A><org.apache.hadoop.mapred.JobInProgress> <B>getRunningJobs</B>()</PRE> |
---|
1409 | <DL> |
---|
1410 | <DD>Version that is called from a timer thread, and therefore needs to be |
---|
1411 | careful to synchronize. |
---|
1412 | <P> |
---|
1413 | <DD><DL> |
---|
1414 | </DL> |
---|
1415 | </DD> |
---|
1416 | <DD><DL> |
---|
1417 | </DL> |
---|
1418 | </DD> |
---|
1419 | </DL> |
---|
1420 | <HR> |
---|
1421 | |
---|
1422 | <A NAME="failedJobs()"><!-- --></A><H3> |
---|
1423 | failedJobs</H3> |
---|
1424 | <PRE> |
---|
1425 | public <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Vector.html?is-external=true" title="class or interface in java.util">Vector</A><org.apache.hadoop.mapred.JobInProgress> <B>failedJobs</B>()</PRE> |
---|
1426 | <DL> |
---|
1427 | <DD><DL> |
---|
1428 | </DL> |
---|
1429 | </DD> |
---|
1430 | <DD><DL> |
---|
1431 | </DL> |
---|
1432 | </DD> |
---|
1433 | </DL> |
---|
1434 | <HR> |
---|
1435 | |
---|
1436 | <A NAME="completedJobs()"><!-- --></A><H3> |
---|
1437 | completedJobs</H3> |
---|
1438 | <PRE> |
---|
1439 | public <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Vector.html?is-external=true" title="class or interface in java.util">Vector</A><org.apache.hadoop.mapred.JobInProgress> <B>completedJobs</B>()</PRE> |
---|
1440 | <DL> |
---|
1441 | <DD><DL> |
---|
1442 | </DL> |
---|
1443 | </DD> |
---|
1444 | <DD><DL> |
---|
1445 | </DL> |
---|
1446 | </DD> |
---|
1447 | </DL> |
---|
1448 | <HR> |
---|
1449 | |
---|
1450 | <A NAME="taskTrackers()"><!-- --></A><H3> |
---|
1451 | taskTrackers</H3> |
---|
1452 | <PRE> |
---|
1453 | public <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</A><org.apache.hadoop.mapred.TaskTrackerStatus> <B>taskTrackers</B>()</PRE> |
---|
1454 | <DL> |
---|
1455 | <DD>Get all the task trackers in the cluster |
---|
1456 | <P> |
---|
1457 | <DD><DL> |
---|
1458 | </DL> |
---|
1459 | </DD> |
---|
1460 | <DD><DL> |
---|
1461 | |
---|
1462 | <DT><B>Returns:</B><DD><A HREF="http://java.sun.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util"><CODE>Collection</CODE></A> of <CODE>TaskTrackerStatus</CODE></DL> |
---|
1463 | </DD> |
---|
1464 | </DL> |
---|
1465 | <HR> |
---|
1466 | |
---|
1467 | <A NAME="activeTaskTrackers()"><!-- --></A><H3> |
---|
1468 | activeTaskTrackers</H3> |
---|
1469 | <PRE> |
---|
1470 | public <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</A><org.apache.hadoop.mapred.TaskTrackerStatus> <B>activeTaskTrackers</B>()</PRE> |
---|
1471 | <DL> |
---|
1472 | <DD>Get the active task tracker statuses in the cluster |
---|
1473 | <P> |
---|
1474 | <DD><DL> |
---|
1475 | </DL> |
---|
1476 | </DD> |
---|
1477 | <DD><DL> |
---|
1478 | |
---|
1479 | <DT><B>Returns:</B><DD><A HREF="http://java.sun.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util"><CODE>Collection</CODE></A> of active <CODE>TaskTrackerStatus</CODE></DL> |
---|
1480 | </DD> |
---|
1481 | </DL> |
---|
1482 | <HR> |
---|
1483 | |
---|
1484 | <A NAME="taskTrackerNames()"><!-- --></A><H3> |
---|
1485 | taskTrackerNames</H3> |
---|
1486 | <PRE> |
---|
1487 | public <A HREF="http://java.sun.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</A><<A HREF="http://java.sun.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</A><<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>>> <B>taskTrackerNames</B>()</PRE> |
---|
1488 | <DL> |
---|
1489 | <DD>Get the active and blacklisted task tracker names in the cluster. The first |
---|
1490 | element in the returned list contains the list of active tracker names. |
---|
1491 | The second element in the returned list contains the list of blacklisted |
---|
1492 | tracker names. |
---|
1493 | <P> |
---|
1494 | <DD><DL> |
---|
1495 | </DL> |
---|
1496 | </DD> |
---|
1497 | <DD><DL> |
---|
1498 | </DL> |
---|
1499 | </DD> |
---|
1500 | </DL> |
---|
1501 | <HR> |
---|
1502 | |
---|
1503 | <A NAME="blacklistedTaskTrackers()"><!-- --></A><H3> |
---|
1504 | blacklistedTaskTrackers</H3> |
---|
1505 | <PRE> |
---|
1506 | public <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</A><org.apache.hadoop.mapred.TaskTrackerStatus> <B>blacklistedTaskTrackers</B>()</PRE> |
---|
1507 | <DL> |
---|
1508 | <DD>Get the blacklisted task tracker statuses in the cluster |
---|
1509 | <P> |
---|
1510 | <DD><DL> |
---|
1511 | </DL> |
---|
1512 | </DD> |
---|
1513 | <DD><DL> |
---|
1514 | |
---|
1515 | <DT><B>Returns:</B><DD><A HREF="http://java.sun.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util"><CODE>Collection</CODE></A> of blacklisted <CODE>TaskTrackerStatus</CODE></DL> |
---|
1516 | </DD> |
---|
1517 | </DL> |
---|
1518 | <HR> |
---|
1519 | |
---|
1520 | <A NAME="isBlacklisted(java.lang.String)"><!-- --></A><H3> |
---|
1521 | isBlacklisted</H3> |
---|
1522 | <PRE> |
---|
1523 | public boolean <B>isBlacklisted</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> trackerID)</PRE> |
---|
1524 | <DL> |
---|
1525 | <DD>Whether the tracker is blacklisted or not |
---|
1526 | <P> |
---|
1527 | <DD><DL> |
---|
1528 | </DL> |
---|
1529 | </DD> |
---|
1530 | <DD><DL> |
---|
1531 | <DT><B>Parameters:</B><DD><CODE>trackerID</CODE> - |
---|
1532 | <DT><B>Returns:</B><DD>true if blacklisted, false otherwise</DL> |
---|
1533 | </DD> |
---|
1534 | </DL> |
---|
1535 | <HR> |
---|
1536 | |
---|
1537 | <A NAME="getTaskTracker(java.lang.String)"><!-- --></A><H3> |
---|
1538 | getTaskTracker</H3> |
---|
1539 | <PRE> |
---|
1540 | public org.apache.hadoop.mapred.TaskTrackerStatus <B>getTaskTracker</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> trackerID)</PRE> |
---|
1541 | <DL> |
---|
1542 | <DD><DL> |
---|
1543 | </DL> |
---|
1544 | </DD> |
---|
1545 | <DD><DL> |
---|
1546 | </DL> |
---|
1547 | </DD> |
---|
1548 | </DL> |
---|
1549 | <HR> |
---|
1550 | |
---|
1551 | <A NAME="resolveAndAddToTopology(java.lang.String)"><!-- --></A><H3> |
---|
1552 | resolveAndAddToTopology</H3> |
---|
1553 | <PRE> |
---|
1554 | public <A HREF="../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A> <B>resolveAndAddToTopology</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name)</PRE> |
---|
1555 | <DL> |
---|
1556 | <DD><DL> |
---|
1557 | </DL> |
---|
1558 | </DD> |
---|
1559 | <DD><DL> |
---|
1560 | </DL> |
---|
1561 | </DD> |
---|
1562 | </DL> |
---|
1563 | <HR> |
---|
1564 | |
---|
1565 | <A NAME="getNodesAtMaxLevel()"><!-- --></A><H3> |
---|
1566 | getNodesAtMaxLevel</H3> |
---|
1567 | <PRE> |
---|
1568 | public <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</A><<A HREF="../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A>> <B>getNodesAtMaxLevel</B>()</PRE> |
---|
1569 | <DL> |
---|
1570 | <DD>Returns a collection of nodes at the max level |
---|
1571 | <P> |
---|
1572 | <DD><DL> |
---|
1573 | </DL> |
---|
1574 | </DD> |
---|
1575 | <DD><DL> |
---|
1576 | </DL> |
---|
1577 | </DD> |
---|
1578 | </DL> |
---|
1579 | <HR> |
---|
1580 | |
---|
1581 | <A NAME="getParentNode(org.apache.hadoop.net.Node, int)"><!-- --></A><H3> |
---|
1582 | getParentNode</H3> |
---|
1583 | <PRE> |
---|
1584 | public static <A HREF="../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A> <B>getParentNode</B>(<A HREF="../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A> node, |
---|
1585 | int level)</PRE> |
---|
1586 | <DL> |
---|
1587 | <DD><DL> |
---|
1588 | </DL> |
---|
1589 | </DD> |
---|
1590 | <DD><DL> |
---|
1591 | </DL> |
---|
1592 | </DD> |
---|
1593 | </DL> |
---|
1594 | <HR> |
---|
1595 | |
---|
1596 | <A NAME="getNode(java.lang.String)"><!-- --></A><H3> |
---|
1597 | getNode</H3> |
---|
1598 | <PRE> |
---|
1599 | public <A HREF="../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A> <B>getNode</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name)</PRE> |
---|
1600 | <DL> |
---|
1601 | <DD>Return the Node in the network topology that corresponds to the hostname |
---|
1602 | <P> |
---|
1603 | <DD><DL> |
---|
1604 | </DL> |
---|
1605 | </DD> |
---|
1606 | <DD><DL> |
---|
1607 | </DL> |
---|
1608 | </DD> |
---|
1609 | </DL> |
---|
1610 | <HR> |
---|
1611 | |
---|
1612 | <A NAME="getNumTaskCacheLevels()"><!-- --></A><H3> |
---|
1613 | getNumTaskCacheLevels</H3> |
---|
1614 | <PRE> |
---|
1615 | public int <B>getNumTaskCacheLevels</B>()</PRE> |
---|
1616 | <DL> |
---|
1617 | <DD><DL> |
---|
1618 | </DL> |
---|
1619 | </DD> |
---|
1620 | <DD><DL> |
---|
1621 | </DL> |
---|
1622 | </DD> |
---|
1623 | </DL> |
---|
1624 | <HR> |
---|
1625 | |
---|
1626 | <A NAME="getNumResolvedTaskTrackers()"><!-- --></A><H3> |
---|
1627 | getNumResolvedTaskTrackers</H3> |
---|
1628 | <PRE> |
---|
1629 | public int <B>getNumResolvedTaskTrackers</B>()</PRE> |
---|
1630 | <DL> |
---|
1631 | <DD><DL> |
---|
1632 | </DL> |
---|
1633 | </DD> |
---|
1634 | <DD><DL> |
---|
1635 | </DL> |
---|
1636 | </DD> |
---|
1637 | </DL> |
---|
1638 | <HR> |
---|
1639 | |
---|
1640 | <A NAME="getNumberOfUniqueHosts()"><!-- --></A><H3> |
---|
1641 | getNumberOfUniqueHosts</H3> |
---|
1642 | <PRE> |
---|
1643 | public int <B>getNumberOfUniqueHosts</B>()</PRE> |
---|
1644 | <DL> |
---|
1645 | <DD><DL> |
---|
1646 | </DL> |
---|
1647 | </DD> |
---|
1648 | <DD><DL> |
---|
1649 | |
---|
1650 | <DT><B>Returns:</B><DD>The number of unique hosts running tasktrackers.</DL> |
---|
1651 | </DD> |
---|
1652 | </DL> |
---|
1653 | <HR> |
---|
1654 | |
---|
1655 | <A NAME="addJobInProgressListener(org.apache.hadoop.mapred.JobInProgressListener)"><!-- --></A><H3> |
---|
1656 | addJobInProgressListener</H3> |
---|
1657 | <PRE> |
---|
1658 | public void <B>addJobInProgressListener</B>(org.apache.hadoop.mapred.JobInProgressListener listener)</PRE> |
---|
1659 | <DL> |
---|
1660 | <DD>Registers a <CODE>JobInProgressListener</CODE> for updates from this |
---|
1661 | <CODE>TaskTrackerManager</CODE>. |
---|
1662 | <P> |
---|
1663 | <DD><DL> |
---|
1664 | </DL> |
---|
1665 | </DD> |
---|
1666 | <DD><DL> |
---|
1667 | </DL> |
---|
1668 | </DD> |
---|
1669 | </DL> |
---|
1670 | <HR> |
---|
1671 | |
---|
1672 | <A NAME="removeJobInProgressListener(org.apache.hadoop.mapred.JobInProgressListener)"><!-- --></A><H3> |
---|
1673 | removeJobInProgressListener</H3> |
---|
1674 | <PRE> |
---|
1675 | public void <B>removeJobInProgressListener</B>(org.apache.hadoop.mapred.JobInProgressListener listener)</PRE> |
---|
1676 | <DL> |
---|
1677 | <DD>Unregisters a <CODE>JobInProgressListener</CODE> from this |
---|
1678 | <CODE>TaskTrackerManager</CODE>. |
---|
1679 | <P> |
---|
1680 | <DD><DL> |
---|
1681 | </DL> |
---|
1682 | </DD> |
---|
1683 | <DD><DL> |
---|
1684 | </DL> |
---|
1685 | </DD> |
---|
1686 | </DL> |
---|
1687 | <HR> |
---|
1688 | |
---|
1689 | <A NAME="getQueueManager()"><!-- --></A><H3> |
---|
1690 | getQueueManager</H3> |
---|
1691 | <PRE> |
---|
1692 | public org.apache.hadoop.mapred.QueueManager <B>getQueueManager</B>()</PRE> |
---|
1693 | <DL> |
---|
1694 | <DD>Return the <CODE>QueueManager</CODE> associated with the JobTracker. |
---|
1695 | <P> |
---|
1696 | <DD><DL> |
---|
1697 | </DL> |
---|
1698 | </DD> |
---|
1699 | <DD><DL> |
---|
1700 | |
---|
1701 | <DT><B>Returns:</B><DD>the <CODE>QueueManager</CODE></DL> |
---|
1702 | </DD> |
---|
1703 | </DL> |
---|
1704 | <HR> |
---|
1705 | |
---|
1706 | <A NAME="getBuildVersion()"><!-- --></A><H3> |
---|
1707 | getBuildVersion</H3> |
---|
1708 | <PRE> |
---|
1709 | public <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>getBuildVersion</B>() |
---|
1710 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE> |
---|
1711 | <DL> |
---|
1712 | <DD>Returns the buildVersion of the JobTracker |
---|
1713 | <P> |
---|
1714 | <DD><DL> |
---|
1715 | </DL> |
---|
1716 | </DD> |
---|
1717 | <DD><DL> |
---|
1718 | |
---|
1719 | <DT><B>Throws:</B> |
---|
1720 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL> |
---|
1721 | </DD> |
---|
1722 | </DL> |
---|
1723 | <HR> |
---|
1724 | |
---|
1725 | <A NAME="heartbeat(org.apache.hadoop.mapred.TaskTrackerStatus, boolean, boolean, boolean, short)"><!-- --></A><H3> |
---|
1726 | heartbeat</H3> |
---|
1727 | <PRE> |
---|
1728 | public org.apache.hadoop.mapred.HeartbeatResponse <B>heartbeat</B>(org.apache.hadoop.mapred.TaskTrackerStatus status, |
---|
1729 | boolean restarted, |
---|
1730 | boolean initialContact, |
---|
1731 | boolean acceptNewTasks, |
---|
1732 | short responseId) |
---|
1733 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE> |
---|
1734 | <DL> |
---|
1735 | <DD>The periodic heartbeat mechanism between the <A HREF="../../../../org/apache/hadoop/mapred/TaskTracker.html" title="class in org.apache.hadoop.mapred"><CODE>TaskTracker</CODE></A> and |
---|
1736 | the <A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html" title="class in org.apache.hadoop.mapred"><CODE>JobTracker</CODE></A>. |
---|
1737 | |
---|
1738 | The <A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html" title="class in org.apache.hadoop.mapred"><CODE>JobTracker</CODE></A> processes the status information sent by the |
---|
1739 | <A HREF="../../../../org/apache/hadoop/mapred/TaskTracker.html" title="class in org.apache.hadoop.mapred"><CODE>TaskTracker</CODE></A> and responds with instructions to start/stop |
---|
1740 | tasks or jobs, and also 'reset' instructions during contingencies. |
---|
1741 | <P> |
---|
1742 | <DD><DL> |
---|
1743 | </DL> |
---|
1744 | </DD> |
---|
1745 | <DD><DL> |
---|
1746 | <DT><B>Parameters:</B><DD><CODE>status</CODE> - the status update<DD><CODE>restarted</CODE> - <code>true</code> if the process has just started or |
---|
1747 | restarted, <code>false</code> otherwise<DD><CODE>initialContact</CODE> - <code>true</code> if this is first interaction since |
---|
1748 | 'refresh', <code>false</code> otherwise.<DD><CODE>acceptNewTasks</CODE> - <code>true</code> if the <A HREF="../../../../org/apache/hadoop/mapred/TaskTracker.html" title="class in org.apache.hadoop.mapred"><CODE>TaskTracker</CODE></A> is |
---|
1749 | ready to accept new tasks to run.<DD><CODE>responseId</CODE> - the last responseId successfully acted upon by the |
---|
1750 | <A HREF="../../../../org/apache/hadoop/mapred/TaskTracker.html" title="class in org.apache.hadoop.mapred"><CODE>TaskTracker</CODE></A>. |
---|
1751 | <DT><B>Returns:</B><DD>a <CODE>HeartbeatResponse</CODE> with |
---|
1752 | fresh instructions. |
---|
1753 | <DT><B>Throws:</B> |
---|
1754 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL> |
---|
1755 | </DD> |
---|
1756 | </DL> |
---|
1757 | <HR> |
---|
1758 | |
---|
1759 | <A NAME="getNextHeartbeatInterval()"><!-- --></A><H3> |
---|
1760 | getNextHeartbeatInterval</H3> |
---|
1761 | <PRE> |
---|
1762 | public int <B>getNextHeartbeatInterval</B>()</PRE> |
---|
1763 | <DL> |
---|
1764 | <DD>Calculates next heartbeat interval using cluster size. |
---|
1765 | Heartbeat interval is incremented 1second for every 50 nodes. |
---|
1766 | <P> |
---|
1767 | <DD><DL> |
---|
1768 | </DL> |
---|
1769 | </DD> |
---|
1770 | <DD><DL> |
---|
1771 | |
---|
1772 | <DT><B>Returns:</B><DD>next heartbeat interval.</DL> |
---|
1773 | </DD> |
---|
1774 | </DL> |
---|
1775 | <HR> |
---|
1776 | |
---|
1777 | <A NAME="getFilesystemName()"><!-- --></A><H3> |
---|
1778 | getFilesystemName</H3> |
---|
1779 | <PRE> |
---|
1780 | public <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>getFilesystemName</B>() |
---|
1781 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE> |
---|
1782 | <DL> |
---|
1783 | <DD>Grab the local fs name |
---|
1784 | <P> |
---|
1785 | <DD><DL> |
---|
1786 | </DL> |
---|
1787 | </DD> |
---|
1788 | <DD><DL> |
---|
1789 | |
---|
1790 | <DT><B>Throws:</B> |
---|
1791 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL> |
---|
1792 | </DD> |
---|
1793 | </DL> |
---|
1794 | <HR> |
---|
1795 | |
---|
1796 | <A NAME="reportTaskTrackerError(java.lang.String, java.lang.String, java.lang.String)"><!-- --></A><H3> |
---|
1797 | reportTaskTrackerError</H3> |
---|
1798 | <PRE> |
---|
1799 | public void <B>reportTaskTrackerError</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> taskTracker, |
---|
1800 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> errorClass, |
---|
1801 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> errorMessage) |
---|
1802 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE> |
---|
1803 | <DL> |
---|
1804 | <DD>Report a problem to the job tracker. |
---|
1805 | <P> |
---|
1806 | <DD><DL> |
---|
1807 | </DL> |
---|
1808 | </DD> |
---|
1809 | <DD><DL> |
---|
1810 | <DT><B>Parameters:</B><DD><CODE>taskTracker</CODE> - the name of the task tracker<DD><CODE>errorClass</CODE> - the kind of error (eg. the class that was thrown)<DD><CODE>errorMessage</CODE> - the human readable error message |
---|
1811 | <DT><B>Throws:</B> |
---|
1812 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - if there was a problem in communication or on the |
---|
1813 | remote side</DL> |
---|
1814 | </DD> |
---|
1815 | </DL> |
---|
1816 | <HR> |
---|
1817 | |
---|
1818 | <A NAME="getNewJobId()"><!-- --></A><H3> |
---|
1819 | getNewJobId</H3> |
---|
1820 | <PRE> |
---|
1821 | public <A HREF="../../../../org/apache/hadoop/mapred/JobID.html" title="class in org.apache.hadoop.mapred">JobID</A> <B>getNewJobId</B>() |
---|
1822 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE> |
---|
1823 | <DL> |
---|
1824 | <DD>Allocates a new JobId string. |
---|
1825 | <P> |
---|
1826 | <DD><DL> |
---|
1827 | </DL> |
---|
1828 | </DD> |
---|
1829 | <DD><DL> |
---|
1830 | |
---|
1831 | <DT><B>Returns:</B><DD>a unique job name for submitting jobs. |
---|
1832 | <DT><B>Throws:</B> |
---|
1833 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL> |
---|
1834 | </DD> |
---|
1835 | </DL> |
---|
1836 | <HR> |
---|
1837 | |
---|
1838 | <A NAME="submitJob(org.apache.hadoop.mapred.JobID)"><!-- --></A><H3> |
---|
1839 | submitJob</H3> |
---|
1840 | <PRE> |
---|
1841 | public <A HREF="../../../../org/apache/hadoop/mapred/JobStatus.html" title="class in org.apache.hadoop.mapred">JobStatus</A> <B>submitJob</B>(<A HREF="../../../../org/apache/hadoop/mapred/JobID.html" title="class in org.apache.hadoop.mapred">JobID</A> jobId) |
---|
1842 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE> |
---|
1843 | <DL> |
---|
1844 | <DD>JobTracker.submitJob() kicks off a new job. |
---|
1845 | |
---|
1846 | Create a 'JobInProgress' object, which contains both JobProfile |
---|
1847 | and JobStatus. Those two sub-objects are sometimes shipped outside |
---|
1848 | of the JobTracker. But JobInProgress adds info that's useful for |
---|
1849 | the JobTracker alone. |
---|
1850 | <P> |
---|
1851 | <DD><DL> |
---|
1852 | </DL> |
---|
1853 | </DD> |
---|
1854 | <DD><DL> |
---|
1855 | |
---|
1856 | <DT><B>Throws:</B> |
---|
1857 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL> |
---|
1858 | </DD> |
---|
1859 | </DL> |
---|
1860 | <HR> |
---|
1861 | |
---|
1862 | <A NAME="getClusterStatus()"><!-- --></A><H3> |
---|
1863 | getClusterStatus</H3> |
---|
1864 | <PRE> |
---|
1865 | <FONT SIZE="-1"><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</A> |
---|
1866 | </FONT>public <A HREF="../../../../org/apache/hadoop/mapred/ClusterStatus.html" title="class in org.apache.hadoop.mapred">ClusterStatus</A> <B>getClusterStatus</B>()</PRE> |
---|
1867 | <DL> |
---|
1868 | <DD><B>Deprecated.</B> <I>use <A HREF="../../../../org/apache/hadoop/mapred/JobTracker.html#getClusterStatus(boolean)"><CODE>getClusterStatus(boolean)</CODE></A></I> |
---|
1869 | <P> |
---|
1870 | <DD><DL> |
---|
1871 | </DL> |
---|
1872 | </DD> |
---|
1873 | <DD><DL> |
---|
1874 | |
---|
1875 | <DT><B>Returns:</B><DD>a summary of the cluster's status.</DL> |
---|
1876 | </DD> |
---|
1877 | </DL> |
---|
1878 | <HR> |
---|
1879 | |
---|
1880 | <A NAME="getClusterStatus(boolean)"><!-- --></A><H3> |
---|
1881 | getClusterStatus</H3> |
---|
1882 | <PRE> |
---|
1883 | public <A HREF="../../../../org/apache/hadoop/mapred/ClusterStatus.html" title="class in org.apache.hadoop.mapred">ClusterStatus</A> <B>getClusterStatus</B>(boolean detailed)</PRE> |
---|
1884 | <DL> |
---|
1885 | <DD>Get the current status of the cluster |
---|
1886 | <P> |
---|
1887 | <DD><DL> |
---|
1888 | </DL> |
---|
1889 | </DD> |
---|
1890 | <DD><DL> |
---|
1891 | <DT><B>Parameters:</B><DD><CODE>detailed</CODE> - if true then report tracker names as well |
---|
1892 | <DT><B>Returns:</B><DD>summary of the state of the cluster</DL> |
---|
1893 | </DD> |
---|
1894 | </DL> |
---|
1895 | <HR> |
---|
1896 | |
---|
1897 | <A NAME="killJob(org.apache.hadoop.mapred.JobID)"><!-- --></A><H3> |
---|
1898 | killJob</H3> |
---|
1899 | <PRE> |
---|
1900 | public void <B>killJob</B>(<A HREF="../../../../org/apache/hadoop/mapred/JobID.html" title="class in org.apache.hadoop.mapred">JobID</A> jobid) |
---|
1901 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE> |
---|
1902 | <DL> |
---|
1903 | <DD>Kill the indicated job |
---|
1904 | <P> |
---|
1905 | <DD><DL> |
---|
1906 | </DL> |
---|
1907 | </DD> |
---|
1908 | <DD><DL> |
---|
1909 | |
---|
1910 | <DT><B>Throws:</B> |
---|
1911 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL> |
---|
1912 | </DD> |
---|
1913 | </DL> |
---|
1914 | <HR> |
---|
1915 | |
---|
1916 | <A NAME="initJob(org.apache.hadoop.mapred.JobInProgress)"><!-- --></A><H3> |
---|
1917 | initJob</H3> |
---|
1918 | <PRE> |
---|
1919 | public void <B>initJob</B>(org.apache.hadoop.mapred.JobInProgress job)</PRE> |
---|
1920 | <DL> |
---|
1921 | <DD>Initialize the Job |
---|
1922 | <P> |
---|
1923 | <DD><DL> |
---|
1924 | </DL> |
---|
1925 | </DD> |
---|
1926 | <DD><DL> |
---|
1927 | <DT><B>Parameters:</B><DD><CODE>job</CODE> - JobInProgress object</DL> |
---|
1928 | </DD> |
---|
1929 | </DL> |
---|
1930 | <HR> |
---|
1931 | |
---|
1932 | <A NAME="failJob(org.apache.hadoop.mapred.JobInProgress)"><!-- --></A><H3> |
---|
1933 | failJob</H3> |
---|
1934 | <PRE> |
---|
1935 | public void <B>failJob</B>(org.apache.hadoop.mapred.JobInProgress job)</PRE> |
---|
1936 | <DL> |
---|
1937 | <DD>Fail a job and inform the listeners. Other components in the framework |
---|
1938 | should use this to fail a job. |
---|
1939 | <P> |
---|
1940 | <DD><DL> |
---|
1941 | </DL> |
---|
1942 | </DD> |
---|
1943 | <DD><DL> |
---|
1944 | <DT><B>Parameters:</B><DD><CODE>job</CODE> - JobInProgress object</DL> |
---|
1945 | </DD> |
---|
1946 | </DL> |
---|
1947 | <HR> |
---|
1948 | |
---|
1949 | <A NAME="setJobPriority(org.apache.hadoop.mapred.JobID, java.lang.String)"><!-- --></A><H3> |
---|
1950 | setJobPriority</H3> |
---|
1951 | <PRE> |
---|
1952 | public void <B>setJobPriority</B>(<A HREF="../../../../org/apache/hadoop/mapred/JobID.html" title="class in org.apache.hadoop.mapred">JobID</A> jobid, |
---|
1953 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> priority) |
---|
1954 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE> |
---|
1955 | <DL> |
---|
1956 | <DD>Set the priority of a job |
---|
1957 | <P> |
---|
1958 | <DD><DL> |
---|
1959 | </DL> |
---|
1960 | </DD> |
---|
1961 | <DD><DL> |
---|
1962 | <DT><B>Parameters:</B><DD><CODE>jobid</CODE> - id of the job<DD><CODE>priority</CODE> - new priority of the job |
---|
1963 | <DT><B>Throws:</B> |
---|
1964 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL> |
---|
1965 | </DD> |
---|
1966 | </DL> |
---|
1967 | <HR> |
---|
1968 | |
---|
1969 | <A NAME="getJobProfile(org.apache.hadoop.mapred.JobID)"><!-- --></A><H3> |
---|
1970 | getJobProfile</H3> |
---|
1971 | <PRE> |
---|
1972 | public <A HREF="../../../../org/apache/hadoop/mapred/JobProfile.html" title="class in org.apache.hadoop.mapred">JobProfile</A> <B>getJobProfile</B>(<A HREF="../../../../org/apache/hadoop/mapred/JobID.html" title="class in org.apache.hadoop.mapred">JobID</A> jobid)</PRE> |
---|
1973 | <DL> |
---|
1974 | <DD>Grab a handle to a job that is already known to the JobTracker. |
---|
1975 | <P> |
---|
1976 | <DD><DL> |
---|
1977 | </DL> |
---|
1978 | </DD> |
---|
1979 | <DD><DL> |
---|
1980 | |
---|
1981 | <DT><B>Returns:</B><DD>Profile of the job, or null if not found.</DL> |
---|
1982 | </DD> |
---|
1983 | </DL> |
---|
1984 | <HR> |
---|
1985 | |
---|
1986 | <A NAME="getJobStatus(org.apache.hadoop.mapred.JobID)"><!-- --></A><H3> |
---|
1987 | getJobStatus</H3> |
---|
1988 | <PRE> |
---|
1989 | public <A HREF="../../../../org/apache/hadoop/mapred/JobStatus.html" title="class in org.apache.hadoop.mapred">JobStatus</A> <B>getJobStatus</B>(<A HREF="../../../../org/apache/hadoop/mapred/JobID.html" title="class in org.apache.hadoop.mapred">JobID</A> jobid)</PRE> |
---|
1990 | <DL> |
---|
1991 | <DD>Grab a handle to a job that is already known to the JobTracker. |
---|
1992 | <P> |
---|
1993 | <DD><DL> |
---|
1994 | </DL> |
---|
1995 | </DD> |
---|
1996 | <DD><DL> |
---|
1997 | |
---|
1998 | <DT><B>Returns:</B><DD>Status of the job, or null if not found.</DL> |
---|
1999 | </DD> |
---|
2000 | </DL> |
---|
2001 | <HR> |
---|
2002 | |
---|
2003 | <A NAME="getJobCounters(org.apache.hadoop.mapred.JobID)"><!-- --></A><H3> |
---|
2004 | getJobCounters</H3> |
---|
2005 | <PRE> |
---|
2006 | public <A HREF="../../../../org/apache/hadoop/mapred/Counters.html" title="class in org.apache.hadoop.mapred">Counters</A> <B>getJobCounters</B>(<A HREF="../../../../org/apache/hadoop/mapred/JobID.html" title="class in org.apache.hadoop.mapred">JobID</A> jobid)</PRE> |
---|
2007 | <DL> |
---|
2008 | <DD>Grab the current job counters |
---|
2009 | <P> |
---|
2010 | <DD><DL> |
---|
2011 | </DL> |
---|
2012 | </DD> |
---|
2013 | <DD><DL> |
---|
2014 | </DL> |
---|
2015 | </DD> |
---|
2016 | </DL> |
---|
2017 | <HR> |
---|
2018 | |
---|
2019 | <A NAME="getMapTaskReports(org.apache.hadoop.mapred.JobID)"><!-- --></A><H3> |
---|
2020 | getMapTaskReports</H3> |
---|
2021 | <PRE> |
---|
2022 | public <A HREF="../../../../org/apache/hadoop/mapred/TaskReport.html" title="class in org.apache.hadoop.mapred">TaskReport</A>[] <B>getMapTaskReports</B>(<A HREF="../../../../org/apache/hadoop/mapred/JobID.html" title="class in org.apache.hadoop.mapred">JobID</A> jobid)</PRE> |
---|
2023 | <DL> |
---|
2024 | <DD>Grab a bunch of info on the map tasks that make up the job |
---|
2025 | <P> |
---|
2026 | <DD><DL> |
---|
2027 | </DL> |
---|
2028 | </DD> |
---|
2029 | <DD><DL> |
---|
2030 | </DL> |
---|
2031 | </DD> |
---|
2032 | </DL> |
---|
2033 | <HR> |
---|
2034 | |
---|
2035 | <A NAME="getReduceTaskReports(org.apache.hadoop.mapred.JobID)"><!-- --></A><H3> |
---|
2036 | getReduceTaskReports</H3> |
---|
2037 | <PRE> |
---|
2038 | public <A HREF="../../../../org/apache/hadoop/mapred/TaskReport.html" title="class in org.apache.hadoop.mapred">TaskReport</A>[] <B>getReduceTaskReports</B>(<A HREF="../../../../org/apache/hadoop/mapred/JobID.html" title="class in org.apache.hadoop.mapred">JobID</A> jobid)</PRE> |
---|
2039 | <DL> |
---|
2040 | <DD>Grab a bunch of info on the reduce tasks that make up the job |
---|
2041 | <P> |
---|
2042 | <DD><DL> |
---|
2043 | </DL> |
---|
2044 | </DD> |
---|
2045 | <DD><DL> |
---|
2046 | </DL> |
---|
2047 | </DD> |
---|
2048 | </DL> |
---|
2049 | <HR> |
---|
2050 | |
---|
2051 | <A NAME="getCleanupTaskReports(org.apache.hadoop.mapred.JobID)"><!-- --></A><H3> |
---|
2052 | getCleanupTaskReports</H3> |
---|
2053 | <PRE> |
---|
2054 | public <A HREF="../../../../org/apache/hadoop/mapred/TaskReport.html" title="class in org.apache.hadoop.mapred">TaskReport</A>[] <B>getCleanupTaskReports</B>(<A HREF="../../../../org/apache/hadoop/mapred/JobID.html" title="class in org.apache.hadoop.mapred">JobID</A> jobid)</PRE> |
---|
2055 | <DL> |
---|
2056 | <DD>Grab a bunch of info on the cleanup tasks that make up the job |
---|
2057 | <P> |
---|
2058 | <DD><DL> |
---|
2059 | </DL> |
---|
2060 | </DD> |
---|
2061 | <DD><DL> |
---|
2062 | </DL> |
---|
2063 | </DD> |
---|
2064 | </DL> |
---|
2065 | <HR> |
---|
2066 | |
---|
2067 | <A NAME="getSetupTaskReports(org.apache.hadoop.mapred.JobID)"><!-- --></A><H3> |
---|
2068 | getSetupTaskReports</H3> |
---|
2069 | <PRE> |
---|
2070 | public <A HREF="../../../../org/apache/hadoop/mapred/TaskReport.html" title="class in org.apache.hadoop.mapred">TaskReport</A>[] <B>getSetupTaskReports</B>(<A HREF="../../../../org/apache/hadoop/mapred/JobID.html" title="class in org.apache.hadoop.mapred">JobID</A> jobid)</PRE> |
---|
2071 | <DL> |
---|
2072 | <DD>Grab a bunch of info on the setup tasks that make up the job |
---|
2073 | <P> |
---|
2074 | <DD><DL> |
---|
2075 | </DL> |
---|
2076 | </DD> |
---|
2077 | <DD><DL> |
---|
2078 | </DL> |
---|
2079 | </DD> |
---|
2080 | </DL> |
---|
2081 | <HR> |
---|
2082 | |
---|
2083 | <A NAME="getTaskCompletionEvents(org.apache.hadoop.mapred.JobID, int, int)"><!-- --></A><H3> |
---|
2084 | getTaskCompletionEvents</H3> |
---|
2085 | <PRE> |
---|
2086 | public <A HREF="../../../../org/apache/hadoop/mapred/TaskCompletionEvent.html" title="class in org.apache.hadoop.mapred">TaskCompletionEvent</A>[] <B>getTaskCompletionEvents</B>(<A HREF="../../../../org/apache/hadoop/mapred/JobID.html" title="class in org.apache.hadoop.mapred">JobID</A> jobid, |
---|
2087 | int fromEventId, |
---|
2088 | int maxEvents) |
---|
2089 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE> |
---|
2090 | <DL> |
---|
2091 | <DD>Get task completion events for the jobid, starting from fromEventId. |
---|
2092 | Returns empty aray if no events are available. |
---|
2093 | <P> |
---|
2094 | <DD><DL> |
---|
2095 | </DL> |
---|
2096 | </DD> |
---|
2097 | <DD><DL> |
---|
2098 | <DT><B>Parameters:</B><DD><CODE>jobid</CODE> - job id<DD><CODE>fromEventId</CODE> - event id to start from.<DD><CODE>maxEvents</CODE> - the max number of events we want to look at |
---|
2099 | <DT><B>Returns:</B><DD>array of task completion events. |
---|
2100 | <DT><B>Throws:</B> |
---|
2101 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL> |
---|
2102 | </DD> |
---|
2103 | </DL> |
---|
2104 | <HR> |
---|
2105 | |
---|
2106 | <A NAME="getTaskDiagnostics(org.apache.hadoop.mapred.TaskAttemptID)"><!-- --></A><H3> |
---|
2107 | getTaskDiagnostics</H3> |
---|
2108 | <PRE> |
---|
2109 | public <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>[] <B>getTaskDiagnostics</B>(<A HREF="../../../../org/apache/hadoop/mapred/TaskAttemptID.html" title="class in org.apache.hadoop.mapred">TaskAttemptID</A> taskId) |
---|
2110 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE> |
---|
2111 | <DL> |
---|
2112 | <DD>Get the diagnostics for a given task |
---|
2113 | <P> |
---|
2114 | <DD><DL> |
---|
2115 | </DL> |
---|
2116 | </DD> |
---|
2117 | <DD><DL> |
---|
2118 | <DT><B>Parameters:</B><DD><CODE>taskId</CODE> - the id of the task |
---|
2119 | <DT><B>Returns:</B><DD>an array of the diagnostic messages |
---|
2120 | <DT><B>Throws:</B> |
---|
2121 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL> |
---|
2122 | </DD> |
---|
2123 | </DL> |
---|
2124 | <HR> |
---|
2125 | |
---|
2126 | <A NAME="getTip(org.apache.hadoop.mapred.TaskID)"><!-- --></A><H3> |
---|
2127 | getTip</H3> |
---|
2128 | <PRE> |
---|
2129 | public org.apache.hadoop.mapred.TaskInProgress <B>getTip</B>(<A HREF="../../../../org/apache/hadoop/mapred/TaskID.html" title="class in org.apache.hadoop.mapred">TaskID</A> tipid)</PRE> |
---|
2130 | <DL> |
---|
2131 | <DD>Returns specified TaskInProgress, or null. |
---|
2132 | <P> |
---|
2133 | <DD><DL> |
---|
2134 | </DL> |
---|
2135 | </DD> |
---|
2136 | <DD><DL> |
---|
2137 | </DL> |
---|
2138 | </DD> |
---|
2139 | </DL> |
---|
2140 | <HR> |
---|
2141 | |
---|
2142 | <A NAME="killTask(org.apache.hadoop.mapred.TaskAttemptID, boolean)"><!-- --></A><H3> |
---|
2143 | killTask</H3> |
---|
2144 | <PRE> |
---|
2145 | public boolean <B>killTask</B>(<A HREF="../../../../org/apache/hadoop/mapred/TaskAttemptID.html" title="class in org.apache.hadoop.mapred">TaskAttemptID</A> taskid, |
---|
2146 | boolean shouldFail) |
---|
2147 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE> |
---|
2148 | <DL> |
---|
2149 | <DD>Mark a Task to be killed |
---|
2150 | <P> |
---|
2151 | <DD><DL> |
---|
2152 | </DL> |
---|
2153 | </DD> |
---|
2154 | <DD><DL> |
---|
2155 | <DT><B>Parameters:</B><DD><CODE>taskid</CODE> - the id of the task to kill.<DD><CODE>shouldFail</CODE> - if true the task is failed and added to failed tasks list, otherwise |
---|
2156 | it is just killed, w/o affecting job failure status. |
---|
2157 | <DT><B>Throws:</B> |
---|
2158 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL> |
---|
2159 | </DD> |
---|
2160 | </DL> |
---|
2161 | <HR> |
---|
2162 | |
---|
2163 | <A NAME="getAssignedTracker(org.apache.hadoop.mapred.TaskAttemptID)"><!-- --></A><H3> |
---|
2164 | getAssignedTracker</H3> |
---|
2165 | <PRE> |
---|
2166 | public <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>getAssignedTracker</B>(<A HREF="../../../../org/apache/hadoop/mapred/TaskAttemptID.html" title="class in org.apache.hadoop.mapred">TaskAttemptID</A> taskId)</PRE> |
---|
2167 | <DL> |
---|
2168 | <DD>Get tracker name for a given task id. |
---|
2169 | <P> |
---|
2170 | <DD><DL> |
---|
2171 | </DL> |
---|
2172 | </DD> |
---|
2173 | <DD><DL> |
---|
2174 | <DT><B>Parameters:</B><DD><CODE>taskId</CODE> - the name of the task |
---|
2175 | <DT><B>Returns:</B><DD>The name of the task tracker</DL> |
---|
2176 | </DD> |
---|
2177 | </DL> |
---|
2178 | <HR> |
---|
2179 | |
---|
2180 | <A NAME="jobsToComplete()"><!-- --></A><H3> |
---|
2181 | jobsToComplete</H3> |
---|
2182 | <PRE> |
---|
2183 | public <A HREF="../../../../org/apache/hadoop/mapred/JobStatus.html" title="class in org.apache.hadoop.mapred">JobStatus</A>[] <B>jobsToComplete</B>()</PRE> |
---|
2184 | <DL> |
---|
2185 | <DD>Get the jobs that are not completed and not failed |
---|
2186 | <P> |
---|
2187 | <DD><DL> |
---|
2188 | </DL> |
---|
2189 | </DD> |
---|
2190 | <DD><DL> |
---|
2191 | |
---|
2192 | <DT><B>Returns:</B><DD>array of JobStatus for the running/to-be-run |
---|
2193 | jobs.</DL> |
---|
2194 | </DD> |
---|
2195 | </DL> |
---|
2196 | <HR> |
---|
2197 | |
---|
2198 | <A NAME="getAllJobs()"><!-- --></A><H3> |
---|
2199 | getAllJobs</H3> |
---|
2200 | <PRE> |
---|
2201 | public <A HREF="../../../../org/apache/hadoop/mapred/JobStatus.html" title="class in org.apache.hadoop.mapred">JobStatus</A>[] <B>getAllJobs</B>()</PRE> |
---|
2202 | <DL> |
---|
2203 | <DD>Get all the jobs submitted. |
---|
2204 | <P> |
---|
2205 | <DD><DL> |
---|
2206 | </DL> |
---|
2207 | </DD> |
---|
2208 | <DD><DL> |
---|
2209 | |
---|
2210 | <DT><B>Returns:</B><DD>array of JobStatus for the submitted jobs</DL> |
---|
2211 | </DD> |
---|
2212 | </DL> |
---|
2213 | <HR> |
---|
2214 | |
---|
2215 | <A NAME="getSystemDir()"><!-- --></A><H3> |
---|
2216 | getSystemDir</H3> |
---|
2217 | <PRE> |
---|
2218 | public <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>getSystemDir</B>()</PRE> |
---|
2219 | <DL> |
---|
2220 | <DD>Grab the jobtracker system directory path where job-specific files are to be placed. |
---|
2221 | <P> |
---|
2222 | <DD><DL> |
---|
2223 | </DL> |
---|
2224 | </DD> |
---|
2225 | <DD><DL> |
---|
2226 | |
---|
2227 | <DT><B>Returns:</B><DD>the system directory where job-specific files are to be placed.<DT><B>See Also:</B><DD><CODE>JobSubmissionProtocol.getSystemDir()</CODE></DL> |
---|
2228 | </DD> |
---|
2229 | </DL> |
---|
2230 | <HR> |
---|
2231 | |
---|
2232 | <A NAME="getJob(org.apache.hadoop.mapred.JobID)"><!-- --></A><H3> |
---|
2233 | getJob</H3> |
---|
2234 | <PRE> |
---|
2235 | public org.apache.hadoop.mapred.JobInProgress <B>getJob</B>(<A HREF="../../../../org/apache/hadoop/mapred/JobID.html" title="class in org.apache.hadoop.mapred">JobID</A> jobid)</PRE> |
---|
2236 | <DL> |
---|
2237 | <DD>Obtain the job object identified by jobid |
---|
2238 | <P> |
---|
2239 | <DD><DL> |
---|
2240 | </DL> |
---|
2241 | </DD> |
---|
2242 | <DD><DL> |
---|
2243 | |
---|
2244 | <DT><B>Returns:</B><DD>jobInProgress object</DL> |
---|
2245 | </DD> |
---|
2246 | </DL> |
---|
2247 | <HR> |
---|
2248 | |
---|
2249 | <A NAME="getLocalJobFilePath(org.apache.hadoop.mapred.JobID)"><!-- --></A><H3> |
---|
2250 | getLocalJobFilePath</H3> |
---|
2251 | <PRE> |
---|
2252 | public static <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>getLocalJobFilePath</B>(<A HREF="../../../../org/apache/hadoop/mapred/JobID.html" title="class in org.apache.hadoop.mapred">JobID</A> jobId)</PRE> |
---|
2253 | <DL> |
---|
2254 | <DD>Get the localized job file path on the job trackers local file system |
---|
2255 | <P> |
---|
2256 | <DD><DL> |
---|
2257 | </DL> |
---|
2258 | </DD> |
---|
2259 | <DD><DL> |
---|
2260 | <DT><B>Parameters:</B><DD><CODE>jobId</CODE> - id of the job |
---|
2261 | <DT><B>Returns:</B><DD>the path of the job conf file on the local file system</DL> |
---|
2262 | </DD> |
---|
2263 | </DL> |
---|
2264 | <HR> |
---|
2265 | |
---|
2266 | <A NAME="main(java.lang.String[])"><!-- --></A><H3> |
---|
2267 | main</H3> |
---|
2268 | <PRE> |
---|
2269 | public static void <B>main</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>[] argv) |
---|
2270 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A>, |
---|
2271 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</A></PRE> |
---|
2272 | <DL> |
---|
2273 | <DD>Start the JobTracker process. This is used only for debugging. As a rule, |
---|
2274 | JobTracker should be run as part of the DFS Namenode process. |
---|
2275 | <P> |
---|
2276 | <DD><DL> |
---|
2277 | </DL> |
---|
2278 | </DD> |
---|
2279 | <DD><DL> |
---|
2280 | |
---|
2281 | <DT><B>Throws:</B> |
---|
2282 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> |
---|
2283 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</A></CODE></DL> |
---|
2284 | </DD> |
---|
2285 | </DL> |
---|
2286 | <HR> |
---|
2287 | |
---|
2288 | <A NAME="getQueues()"><!-- --></A><H3> |
---|
2289 | getQueues</H3> |
---|
2290 | <PRE> |
---|
2291 | public <A HREF="../../../../org/apache/hadoop/mapred/JobQueueInfo.html" title="class in org.apache.hadoop.mapred">JobQueueInfo</A>[] <B>getQueues</B>() |
---|
2292 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE> |
---|
2293 | <DL> |
---|
2294 | <DD>Gets set of Job Queues associated with the Job Tracker |
---|
2295 | <P> |
---|
2296 | <DD><DL> |
---|
2297 | </DL> |
---|
2298 | </DD> |
---|
2299 | <DD><DL> |
---|
2300 | |
---|
2301 | <DT><B>Returns:</B><DD>Array of the Job Queue Information Object |
---|
2302 | <DT><B>Throws:</B> |
---|
2303 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL> |
---|
2304 | </DD> |
---|
2305 | </DL> |
---|
2306 | <HR> |
---|
2307 | |
---|
2308 | <A NAME="getQueueInfo(java.lang.String)"><!-- --></A><H3> |
---|
2309 | getQueueInfo</H3> |
---|
2310 | <PRE> |
---|
2311 | public <A HREF="../../../../org/apache/hadoop/mapred/JobQueueInfo.html" title="class in org.apache.hadoop.mapred">JobQueueInfo</A> <B>getQueueInfo</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> queue) |
---|
2312 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE> |
---|
2313 | <DL> |
---|
2314 | <DD>Gets scheduling information associated with the particular Job queue |
---|
2315 | <P> |
---|
2316 | <DD><DL> |
---|
2317 | </DL> |
---|
2318 | </DD> |
---|
2319 | <DD><DL> |
---|
2320 | <DT><B>Parameters:</B><DD><CODE>queue</CODE> - Queue Name |
---|
2321 | <DT><B>Returns:</B><DD>Scheduling Information of the Queue |
---|
2322 | <DT><B>Throws:</B> |
---|
2323 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL> |
---|
2324 | </DD> |
---|
2325 | </DL> |
---|
2326 | <HR> |
---|
2327 | |
---|
2328 | <A NAME="getJobsFromQueue(java.lang.String)"><!-- --></A><H3> |
---|
2329 | getJobsFromQueue</H3> |
---|
2330 | <PRE> |
---|
2331 | public <A HREF="../../../../org/apache/hadoop/mapred/JobStatus.html" title="class in org.apache.hadoop.mapred">JobStatus</A>[] <B>getJobsFromQueue</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> queue) |
---|
2332 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE> |
---|
2333 | <DL> |
---|
2334 | <DD>Gets all the jobs submitted to the particular Queue |
---|
2335 | <P> |
---|
2336 | <DD><DL> |
---|
2337 | </DL> |
---|
2338 | </DD> |
---|
2339 | <DD><DL> |
---|
2340 | <DT><B>Parameters:</B><DD><CODE>queue</CODE> - Queue name |
---|
2341 | <DT><B>Returns:</B><DD>array of JobStatus for the submitted jobs |
---|
2342 | <DT><B>Throws:</B> |
---|
2343 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL> |
---|
2344 | </DD> |
---|
2345 | </DL> |
---|
2346 | <HR> |
---|
2347 | |
---|
2348 | <A NAME="refreshServiceAcl()"><!-- --></A><H3> |
---|
2349 | refreshServiceAcl</H3> |
---|
2350 | <PRE> |
---|
2351 | public void <B>refreshServiceAcl</B>() |
---|
2352 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE> |
---|
2353 | <DL> |
---|
2354 | <DD><B>Description copied from interface: <CODE><A HREF="../../../../org/apache/hadoop/security/authorize/RefreshAuthorizationPolicyProtocol.html#refreshServiceAcl()">RefreshAuthorizationPolicyProtocol</A></CODE></B></DD> |
---|
2355 | <DD>Refresh the service-level authorization policy in-effect. |
---|
2356 | <P> |
---|
2357 | <DD><DL> |
---|
2358 | <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/hadoop/security/authorize/RefreshAuthorizationPolicyProtocol.html#refreshServiceAcl()">refreshServiceAcl</A></CODE> in interface <CODE><A HREF="../../../../org/apache/hadoop/security/authorize/RefreshAuthorizationPolicyProtocol.html" title="interface in org.apache.hadoop.security.authorize">RefreshAuthorizationPolicyProtocol</A></CODE></DL> |
---|
2359 | </DD> |
---|
2360 | <DD><DL> |
---|
2361 | |
---|
2362 | <DT><B>Throws:</B> |
---|
2363 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL> |
---|
2364 | </DD> |
---|
2365 | </DL> |
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2366 | <!-- ========= END OF CLASS DATA ========= --> |
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2367 | <HR> |
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2368 | |
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2369 | |
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2370 | <!-- ======= START OF BOTTOM NAVBAR ====== --> |
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2371 | <A NAME="navbar_bottom"><!-- --></A> |
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2372 | <A HREF="#skip-navbar_bottom" title="Skip navigation links"></A> |
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2382 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/JobTracker.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> |
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2395 | <TR> |
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2396 | <TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> |
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2397 | <A HREF="../../../../org/apache/hadoop/mapred/JobStatus.html" title="class in org.apache.hadoop.mapred"><B>PREV CLASS</B></A> |
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2398 | <A HREF="../../../../org/apache/hadoop/mapred/JobTracker.IllegalStateException.html" title="class in org.apache.hadoop.mapred"><B>NEXT CLASS</B></A></FONT></TD> |
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2404 | if(window==top) { |
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2405 | document.writeln('<A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A>'); |
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2417 | <TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> |
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2418 | SUMMARY: <A HREF="#nested_class_summary">NESTED</A> | <A HREF="#field_summary">FIELD</A> | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD> |
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2420 | DETAIL: <A HREF="#field_detail">FIELD</A> | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD> |
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2424 | <!-- ======== END OF BOTTOM NAVBAR ======= --> |
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