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7 | Uses of Class org.apache.hadoop.mapreduce.JobContext (Hadoop 0.20.1 API) |
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83 | <H2> |
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84 | <B>Uses of Class<br>org.apache.hadoop.mapreduce.JobContext</B></H2> |
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85 | </CENTER> |
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86 | |
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87 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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88 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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89 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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90 | Packages that use <A HREF="../../../../../org/apache/hadoop/mapreduce/JobContext.html" title="class in org.apache.hadoop.mapreduce">JobContext</A></FONT></TH> |
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91 | </TR> |
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92 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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93 | <TD><A HREF="#org.apache.hadoop.mapred"><B>org.apache.hadoop.mapred</B></A></TD> |
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94 | <TD>A software framework for easily writing applications which process vast |
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95 | amounts of data (multi-terabyte data-sets) parallelly on large clusters |
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96 | (thousands of nodes) built of commodity hardware in a reliable, fault-tolerant |
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97 | manner. </TD> |
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98 | </TR> |
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99 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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100 | <TD><A HREF="#org.apache.hadoop.mapreduce"><B>org.apache.hadoop.mapreduce</B></A></TD> |
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101 | <TD> </TD> |
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102 | </TR> |
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103 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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104 | <TD><A HREF="#org.apache.hadoop.mapreduce.lib.input"><B>org.apache.hadoop.mapreduce.lib.input</B></A></TD> |
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105 | <TD> </TD> |
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106 | </TR> |
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107 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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108 | <TD><A HREF="#org.apache.hadoop.mapreduce.lib.map"><B>org.apache.hadoop.mapreduce.lib.map</B></A></TD> |
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109 | <TD> </TD> |
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110 | </TR> |
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111 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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112 | <TD><A HREF="#org.apache.hadoop.mapreduce.lib.output"><B>org.apache.hadoop.mapreduce.lib.output</B></A></TD> |
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113 | <TD> </TD> |
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114 | </TR> |
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115 | </TABLE> |
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116 | |
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117 | <P> |
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118 | <A NAME="org.apache.hadoop.mapred"><!-- --></A> |
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119 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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121 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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122 | Uses of <A HREF="../../../../../org/apache/hadoop/mapreduce/JobContext.html" title="class in org.apache.hadoop.mapreduce">JobContext</A> in <A HREF="../../../../../org/apache/hadoop/mapred/package-summary.html">org.apache.hadoop.mapred</A></FONT></TH> |
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123 | </TR> |
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124 | </TABLE> |
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125 | |
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126 | <P> |
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127 | |
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128 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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129 | <TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"> |
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130 | <TH ALIGN="left" COLSPAN="2">Subclasses of <A HREF="../../../../../org/apache/hadoop/mapreduce/JobContext.html" title="class in org.apache.hadoop.mapreduce">JobContext</A> in <A HREF="../../../../../org/apache/hadoop/mapred/package-summary.html">org.apache.hadoop.mapred</A></FONT></TH> |
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131 | </TR> |
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132 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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133 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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134 | <CODE> class</CODE></FONT></TD> |
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135 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/JobContext.html" title="class in org.apache.hadoop.mapred">JobContext</A></B></CODE> |
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136 | |
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137 | <BR> |
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138 | <B>Deprecated.</B> <I>Use <A HREF="../../../../../org/apache/hadoop/mapreduce/JobContext.html" title="class in org.apache.hadoop.mapreduce"><CODE>JobContext</CODE></A> instead.</I></TD> |
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139 | </TR> |
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140 | </TABLE> |
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141 | |
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142 | <P> |
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143 | |
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144 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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145 | <TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"> |
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146 | <TH ALIGN="left" COLSPAN="2">Methods in <A HREF="../../../../../org/apache/hadoop/mapred/package-summary.html">org.apache.hadoop.mapred</A> with parameters of type <A HREF="../../../../../org/apache/hadoop/mapreduce/JobContext.html" title="class in org.apache.hadoop.mapreduce">JobContext</A></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> void</CODE></FONT></TD> |
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151 | <TD><CODE><B>OutputCommitter.</B><B><A HREF="../../../../../org/apache/hadoop/mapred/OutputCommitter.html#cleanupJob(org.apache.hadoop.mapreduce.JobContext)">cleanupJob</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/JobContext.html" title="class in org.apache.hadoop.mapreduce">JobContext</A> context)</CODE> |
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152 | |
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153 | <BR> |
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154 | <B>Deprecated.</B> This method implements the new interface by calling the old method.</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> void</CODE></FONT></TD> |
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159 | <TD><CODE><B>OutputCommitter.</B><B><A HREF="../../../../../org/apache/hadoop/mapred/OutputCommitter.html#setupJob(org.apache.hadoop.mapreduce.JobContext)">setupJob</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/JobContext.html" title="class in org.apache.hadoop.mapreduce">JobContext</A> jobContext)</CODE> |
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160 | |
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161 | <BR> |
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162 | <B>Deprecated.</B> This method implements the new interface by calling the old method.</TD> |
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163 | </TR> |
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164 | </TABLE> |
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165 | |
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166 | <P> |
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167 | <A NAME="org.apache.hadoop.mapreduce"><!-- --></A> |
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168 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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169 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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170 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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171 | Uses of <A HREF="../../../../../org/apache/hadoop/mapreduce/JobContext.html" title="class in org.apache.hadoop.mapreduce">JobContext</A> in <A HREF="../../../../../org/apache/hadoop/mapreduce/package-summary.html">org.apache.hadoop.mapreduce</A></FONT></TH> |
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172 | </TR> |
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173 | </TABLE> |
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174 | |
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175 | <P> |
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176 | |
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177 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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178 | <TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"> |
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179 | <TH ALIGN="left" COLSPAN="2">Subclasses of <A HREF="../../../../../org/apache/hadoop/mapreduce/JobContext.html" title="class in org.apache.hadoop.mapreduce">JobContext</A> in <A HREF="../../../../../org/apache/hadoop/mapreduce/package-summary.html">org.apache.hadoop.mapreduce</A></FONT></TH> |
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180 | </TR> |
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181 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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182 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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183 | <CODE> class</CODE></FONT></TD> |
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184 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapreduce/Job.html" title="class in org.apache.hadoop.mapreduce">Job</A></B></CODE> |
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185 | |
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186 | <BR> |
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187 | The job submitter's view of the Job.</TD> |
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188 | </TR> |
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189 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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190 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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191 | <CODE> class</CODE></FONT></TD> |
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192 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapreduce/MapContext.html" title="class in org.apache.hadoop.mapreduce">MapContext<KEYIN,VALUEIN,KEYOUT,VALUEOUT></A></B></CODE> |
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193 | |
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194 | <BR> |
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195 | The context that is given to the <A HREF="../../../../../org/apache/hadoop/mapreduce/Mapper.html" title="class in org.apache.hadoop.mapreduce"><CODE>Mapper</CODE></A>.</TD> |
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196 | </TR> |
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197 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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198 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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199 | <CODE> class</CODE></FONT></TD> |
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200 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapreduce/Mapper.Context.html" title="class in org.apache.hadoop.mapreduce">Mapper.Context</A></B></CODE> |
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201 | |
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202 | <BR> |
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203 | </TD> |
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204 | </TR> |
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205 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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206 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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207 | <CODE> class</CODE></FONT></TD> |
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208 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapreduce/ReduceContext.html" title="class in org.apache.hadoop.mapreduce">ReduceContext<KEYIN,VALUEIN,KEYOUT,VALUEOUT></A></B></CODE> |
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209 | |
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210 | <BR> |
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211 | The context passed to the <A HREF="../../../../../org/apache/hadoop/mapreduce/Reducer.html" title="class in org.apache.hadoop.mapreduce"><CODE>Reducer</CODE></A>.</TD> |
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212 | </TR> |
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213 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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214 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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215 | <CODE> class</CODE></FONT></TD> |
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216 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapreduce/Reducer.Context.html" title="class in org.apache.hadoop.mapreduce">Reducer.Context</A></B></CODE> |
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217 | |
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218 | <BR> |
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219 | </TD> |
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220 | </TR> |
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221 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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222 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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223 | <CODE> class</CODE></FONT></TD> |
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224 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptContext.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptContext</A></B></CODE> |
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225 | |
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226 | <BR> |
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227 | The context for task attempts.</TD> |
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228 | </TR> |
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229 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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230 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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231 | <CODE> class</CODE></FONT></TD> |
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232 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapreduce/TaskInputOutputContext.html" title="class in org.apache.hadoop.mapreduce">TaskInputOutputContext<KEYIN,VALUEIN,KEYOUT,VALUEOUT></A></B></CODE> |
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233 | |
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234 | <BR> |
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235 | A context object that allows input and output from the task.</TD> |
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236 | </TR> |
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237 | </TABLE> |
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238 | |
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239 | <P> |
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240 | |
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241 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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242 | <TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"> |
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243 | <TH ALIGN="left" COLSPAN="2">Methods in <A HREF="../../../../../org/apache/hadoop/mapreduce/package-summary.html">org.apache.hadoop.mapreduce</A> with parameters of type <A HREF="../../../../../org/apache/hadoop/mapreduce/JobContext.html" title="class in org.apache.hadoop.mapreduce">JobContext</A></FONT></TH> |
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244 | </TR> |
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245 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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246 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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247 | <CODE>abstract void</CODE></FONT></TD> |
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248 | <TD><CODE><B>OutputFormat.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/OutputFormat.html#checkOutputSpecs(org.apache.hadoop.mapreduce.JobContext)">checkOutputSpecs</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/JobContext.html" title="class in org.apache.hadoop.mapreduce">JobContext</A> context)</CODE> |
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249 | |
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250 | <BR> |
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251 | Check for validity of the output-specification for the job.</TD> |
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252 | </TR> |
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253 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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254 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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255 | <CODE>abstract void</CODE></FONT></TD> |
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256 | <TD><CODE><B>OutputCommitter.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/OutputCommitter.html#cleanupJob(org.apache.hadoop.mapreduce.JobContext)">cleanupJob</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/JobContext.html" title="class in org.apache.hadoop.mapreduce">JobContext</A> jobContext)</CODE> |
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257 | |
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258 | <BR> |
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259 | For cleaning up the job's output after job completion</TD> |
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260 | </TR> |
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261 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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262 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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263 | <CODE>abstract <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="../../../../../org/apache/hadoop/mapreduce/InputSplit.html" title="class in org.apache.hadoop.mapreduce">InputSplit</A>></CODE></FONT></TD> |
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264 | <TD><CODE><B>InputFormat.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/InputFormat.html#getSplits(org.apache.hadoop.mapreduce.JobContext)">getSplits</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/JobContext.html" title="class in org.apache.hadoop.mapreduce">JobContext</A> context)</CODE> |
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265 | |
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266 | <BR> |
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267 | Logically split the set of input files for the job.</TD> |
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268 | </TR> |
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269 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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270 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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271 | <CODE>abstract void</CODE></FONT></TD> |
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272 | <TD><CODE><B>OutputCommitter.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/OutputCommitter.html#setupJob(org.apache.hadoop.mapreduce.JobContext)">setupJob</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/JobContext.html" title="class in org.apache.hadoop.mapreduce">JobContext</A> jobContext)</CODE> |
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273 | |
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274 | <BR> |
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275 | For the framework to setup the job output during initialization</TD> |
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276 | </TR> |
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277 | </TABLE> |
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278 | |
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279 | <P> |
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280 | <A NAME="org.apache.hadoop.mapreduce.lib.input"><!-- --></A> |
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281 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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282 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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283 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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284 | Uses of <A HREF="../../../../../org/apache/hadoop/mapreduce/JobContext.html" title="class in org.apache.hadoop.mapreduce">JobContext</A> in <A HREF="../../../../../org/apache/hadoop/mapreduce/lib/input/package-summary.html">org.apache.hadoop.mapreduce.lib.input</A></FONT></TH> |
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285 | </TR> |
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286 | </TABLE> |
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287 | |
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288 | <P> |
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289 | |
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290 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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291 | <TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"> |
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292 | <TH ALIGN="left" COLSPAN="2">Methods in <A HREF="../../../../../org/apache/hadoop/mapreduce/lib/input/package-summary.html">org.apache.hadoop.mapreduce.lib.input</A> with parameters of type <A HREF="../../../../../org/apache/hadoop/mapreduce/JobContext.html" title="class in org.apache.hadoop.mapreduce">JobContext</A></FONT></TH> |
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293 | </TR> |
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294 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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295 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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296 | <CODE>static <A HREF="../../../../../org/apache/hadoop/fs/PathFilter.html" title="interface in org.apache.hadoop.fs">PathFilter</A></CODE></FONT></TD> |
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297 | <TD><CODE><B>FileInputFormat.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/lib/input/FileInputFormat.html#getInputPathFilter(org.apache.hadoop.mapreduce.JobContext)">getInputPathFilter</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/JobContext.html" title="class in org.apache.hadoop.mapreduce">JobContext</A> context)</CODE> |
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298 | |
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299 | <BR> |
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300 | Get a PathFilter instance of the filter set for the input paths.</TD> |
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301 | </TR> |
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302 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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303 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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304 | <CODE>static <A HREF="../../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</A>[]</CODE></FONT></TD> |
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305 | <TD><CODE><B>FileInputFormat.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/lib/input/FileInputFormat.html#getInputPaths(org.apache.hadoop.mapreduce.JobContext)">getInputPaths</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/JobContext.html" title="class in org.apache.hadoop.mapreduce">JobContext</A> context)</CODE> |
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306 | |
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307 | <BR> |
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308 | Get the list of input <A HREF="../../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs"><CODE>Path</CODE></A>s for the map-reduce job.</TD> |
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309 | </TR> |
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310 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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311 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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312 | <CODE>static long</CODE></FONT></TD> |
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313 | <TD><CODE><B>FileInputFormat.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/lib/input/FileInputFormat.html#getMaxSplitSize(org.apache.hadoop.mapreduce.JobContext)">getMaxSplitSize</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/JobContext.html" title="class in org.apache.hadoop.mapreduce">JobContext</A> context)</CODE> |
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314 | |
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315 | <BR> |
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316 | Get the maximum split size.</TD> |
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317 | </TR> |
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318 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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319 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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320 | <CODE>static long</CODE></FONT></TD> |
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321 | <TD><CODE><B>FileInputFormat.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/lib/input/FileInputFormat.html#getMinSplitSize(org.apache.hadoop.mapreduce.JobContext)">getMinSplitSize</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/JobContext.html" title="class in org.apache.hadoop.mapreduce">JobContext</A> job)</CODE> |
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322 | |
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323 | <BR> |
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324 | Get the minimum split size</TD> |
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325 | </TR> |
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326 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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327 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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328 | <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="../../../../../org/apache/hadoop/mapreduce/InputSplit.html" title="class in org.apache.hadoop.mapreduce">InputSplit</A>></CODE></FONT></TD> |
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329 | <TD><CODE><B>FileInputFormat.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/lib/input/FileInputFormat.html#getSplits(org.apache.hadoop.mapreduce.JobContext)">getSplits</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/JobContext.html" title="class in org.apache.hadoop.mapreduce">JobContext</A> job)</CODE> |
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330 | |
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331 | <BR> |
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332 | Generate the list of files and make them into FileSplits.</TD> |
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333 | </TR> |
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334 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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335 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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336 | <CODE>protected boolean</CODE></FONT></TD> |
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337 | <TD><CODE><B>TextInputFormat.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/lib/input/TextInputFormat.html#isSplitable(org.apache.hadoop.mapreduce.JobContext, org.apache.hadoop.fs.Path)">isSplitable</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/JobContext.html" title="class in org.apache.hadoop.mapreduce">JobContext</A> context, |
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338 | <A HREF="../../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</A> file)</CODE> |
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339 | |
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340 | <BR> |
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341 | </TD> |
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342 | </TR> |
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343 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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344 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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345 | <CODE>protected boolean</CODE></FONT></TD> |
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346 | <TD><CODE><B>FileInputFormat.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/lib/input/FileInputFormat.html#isSplitable(org.apache.hadoop.mapreduce.JobContext, org.apache.hadoop.fs.Path)">isSplitable</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/JobContext.html" title="class in org.apache.hadoop.mapreduce">JobContext</A> context, |
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347 | <A HREF="../../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</A> filename)</CODE> |
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348 | |
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349 | <BR> |
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350 | Is the given filename splitable? Usually, true, but if the file is |
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351 | stream compressed, it will not be.</TD> |
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352 | </TR> |
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353 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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354 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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355 | <CODE>protected <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="../../../../../org/apache/hadoop/fs/FileStatus.html" title="class in org.apache.hadoop.fs">FileStatus</A>></CODE></FONT></TD> |
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356 | <TD><CODE><B>SequenceFileInputFormat.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/lib/input/SequenceFileInputFormat.html#listStatus(org.apache.hadoop.mapreduce.JobContext)">listStatus</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/JobContext.html" title="class in org.apache.hadoop.mapreduce">JobContext</A> job)</CODE> |
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357 | |
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358 | <BR> |
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359 | </TD> |
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360 | </TR> |
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361 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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362 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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363 | <CODE>protected <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="../../../../../org/apache/hadoop/fs/FileStatus.html" title="class in org.apache.hadoop.fs">FileStatus</A>></CODE></FONT></TD> |
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364 | <TD><CODE><B>FileInputFormat.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/lib/input/FileInputFormat.html#listStatus(org.apache.hadoop.mapreduce.JobContext)">listStatus</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/JobContext.html" title="class in org.apache.hadoop.mapreduce">JobContext</A> job)</CODE> |
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365 | |
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366 | <BR> |
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367 | List input directories.</TD> |
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368 | </TR> |
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369 | </TABLE> |
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370 | |
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371 | <P> |
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372 | <A NAME="org.apache.hadoop.mapreduce.lib.map"><!-- --></A> |
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373 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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374 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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375 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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376 | Uses of <A HREF="../../../../../org/apache/hadoop/mapreduce/JobContext.html" title="class in org.apache.hadoop.mapreduce">JobContext</A> in <A HREF="../../../../../org/apache/hadoop/mapreduce/lib/map/package-summary.html">org.apache.hadoop.mapreduce.lib.map</A></FONT></TH> |
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377 | </TR> |
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378 | </TABLE> |
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379 | |
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380 | <P> |
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381 | |
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382 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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383 | <TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"> |
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384 | <TH ALIGN="left" COLSPAN="2">Methods in <A HREF="../../../../../org/apache/hadoop/mapreduce/lib/map/package-summary.html">org.apache.hadoop.mapreduce.lib.map</A> with parameters of type <A HREF="../../../../../org/apache/hadoop/mapreduce/JobContext.html" title="class in org.apache.hadoop.mapreduce">JobContext</A></FONT></TH> |
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385 | </TR> |
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386 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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387 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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388 | <CODE>static |
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389 | <TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0" SUMMARY=""> |
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390 | <TR ALIGN="right" VALIGN=""> |
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391 | <TD NOWRAP><FONT SIZE="-1"> |
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392 | <CODE><K1,V1,K2,V2> |
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393 | <BR> |
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394 | <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><<A HREF="../../../../../org/apache/hadoop/mapreduce/Mapper.html" title="class in org.apache.hadoop.mapreduce">Mapper</A><K1,V1,K2,V2>></CODE></FONT></TD> |
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395 | </TR> |
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396 | </TABLE> |
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397 | </CODE></FONT></TD> |
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398 | <TD><CODE><B>MultithreadedMapper.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/lib/map/MultithreadedMapper.html#getMapperClass(org.apache.hadoop.mapreduce.JobContext)">getMapperClass</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/JobContext.html" title="class in org.apache.hadoop.mapreduce">JobContext</A> job)</CODE> |
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399 | |
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400 | <BR> |
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401 | Get the application's mapper class.</TD> |
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402 | </TR> |
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403 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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404 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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405 | <CODE>static int</CODE></FONT></TD> |
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406 | <TD><CODE><B>MultithreadedMapper.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/lib/map/MultithreadedMapper.html#getNumberOfThreads(org.apache.hadoop.mapreduce.JobContext)">getNumberOfThreads</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/JobContext.html" title="class in org.apache.hadoop.mapreduce">JobContext</A> job)</CODE> |
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407 | |
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408 | <BR> |
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409 | The number of threads in the thread pool that will run the map function.</TD> |
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410 | </TR> |
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411 | </TABLE> |
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412 | |
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413 | <P> |
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414 | <A NAME="org.apache.hadoop.mapreduce.lib.output"><!-- --></A> |
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415 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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416 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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417 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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418 | Uses of <A HREF="../../../../../org/apache/hadoop/mapreduce/JobContext.html" title="class in org.apache.hadoop.mapreduce">JobContext</A> in <A HREF="../../../../../org/apache/hadoop/mapreduce/lib/output/package-summary.html">org.apache.hadoop.mapreduce.lib.output</A></FONT></TH> |
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419 | </TR> |
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420 | </TABLE> |
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421 | |
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422 | <P> |
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423 | |
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424 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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425 | <TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"> |
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426 | <TH ALIGN="left" COLSPAN="2">Methods in <A HREF="../../../../../org/apache/hadoop/mapreduce/lib/output/package-summary.html">org.apache.hadoop.mapreduce.lib.output</A> with parameters of type <A HREF="../../../../../org/apache/hadoop/mapreduce/JobContext.html" title="class in org.apache.hadoop.mapreduce">JobContext</A></FONT></TH> |
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427 | </TR> |
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428 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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429 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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430 | <CODE> void</CODE></FONT></TD> |
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431 | <TD><CODE><B>NullOutputFormat.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/lib/output/NullOutputFormat.html#checkOutputSpecs(org.apache.hadoop.mapreduce.JobContext)">checkOutputSpecs</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/JobContext.html" title="class in org.apache.hadoop.mapreduce">JobContext</A> context)</CODE> |
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432 | |
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433 | <BR> |
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434 | </TD> |
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435 | </TR> |
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436 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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437 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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438 | <CODE> void</CODE></FONT></TD> |
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439 | <TD><CODE><B>FileOutputFormat.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/lib/output/FileOutputFormat.html#checkOutputSpecs(org.apache.hadoop.mapreduce.JobContext)">checkOutputSpecs</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/JobContext.html" title="class in org.apache.hadoop.mapreduce">JobContext</A> job)</CODE> |
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440 | |
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441 | <BR> |
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442 | </TD> |
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443 | </TR> |
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444 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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445 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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446 | <CODE> void</CODE></FONT></TD> |
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447 | <TD><CODE><B>FileOutputCommitter.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/lib/output/FileOutputCommitter.html#cleanupJob(org.apache.hadoop.mapreduce.JobContext)">cleanupJob</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/JobContext.html" title="class in org.apache.hadoop.mapreduce">JobContext</A> context)</CODE> |
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448 | |
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449 | <BR> |
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450 | Delete the temporary directory, including all of the work directories.</TD> |
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451 | </TR> |
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452 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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453 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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454 | <CODE>static boolean</CODE></FONT></TD> |
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455 | <TD><CODE><B>FileOutputFormat.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/lib/output/FileOutputFormat.html#getCompressOutput(org.apache.hadoop.mapreduce.JobContext)">getCompressOutput</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/JobContext.html" title="class in org.apache.hadoop.mapreduce">JobContext</A> job)</CODE> |
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456 | |
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457 | <BR> |
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458 | Is the job output compressed?</TD> |
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459 | </TR> |
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460 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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461 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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462 | <CODE>static <A HREF="../../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io">SequenceFile.CompressionType</A></CODE></FONT></TD> |
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463 | <TD><CODE><B>SequenceFileOutputFormat.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/lib/output/SequenceFileOutputFormat.html#getOutputCompressionType(org.apache.hadoop.mapreduce.JobContext)">getOutputCompressionType</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/JobContext.html" title="class in org.apache.hadoop.mapreduce">JobContext</A> job)</CODE> |
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464 | |
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465 | <BR> |
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466 | Get the <A HREF="../../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io"><CODE>SequenceFile.CompressionType</CODE></A> for the output <A HREF="../../../../../org/apache/hadoop/io/SequenceFile.html" title="class in org.apache.hadoop.io"><CODE>SequenceFile</CODE></A>.</TD> |
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467 | </TR> |
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468 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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469 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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470 | <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 <A HREF="../../../../../org/apache/hadoop/io/compress/CompressionCodec.html" title="interface in org.apache.hadoop.io.compress">CompressionCodec</A>></CODE></FONT></TD> |
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471 | <TD><CODE><B>FileOutputFormat.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/lib/output/FileOutputFormat.html#getOutputCompressorClass(org.apache.hadoop.mapreduce.JobContext, java.lang.Class)">getOutputCompressorClass</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/JobContext.html" title="class in org.apache.hadoop.mapreduce">JobContext</A> job, |
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472 | <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 <A HREF="../../../../../org/apache/hadoop/io/compress/CompressionCodec.html" title="interface in org.apache.hadoop.io.compress">CompressionCodec</A>> defaultValue)</CODE> |
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473 | |
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474 | <BR> |
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475 | Get the <A HREF="../../../../../org/apache/hadoop/io/compress/CompressionCodec.html" title="interface in org.apache.hadoop.io.compress"><CODE>CompressionCodec</CODE></A> for compressing the job outputs.</TD> |
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476 | </TR> |
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477 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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478 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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479 | <CODE>static <A HREF="../../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</A></CODE></FONT></TD> |
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480 | <TD><CODE><B>FileOutputFormat.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/lib/output/FileOutputFormat.html#getOutputPath(org.apache.hadoop.mapreduce.JobContext)">getOutputPath</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/JobContext.html" title="class in org.apache.hadoop.mapreduce">JobContext</A> job)</CODE> |
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481 | |
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482 | <BR> |
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483 | Get the <A HREF="../../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs"><CODE>Path</CODE></A> to the output directory for the map-reduce job.</TD> |
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484 | </TR> |
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485 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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486 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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487 | <CODE> void</CODE></FONT></TD> |
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488 | <TD><CODE><B>FileOutputCommitter.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/lib/output/FileOutputCommitter.html#setupJob(org.apache.hadoop.mapreduce.JobContext)">setupJob</A></B>(<A HREF="../../../../../org/apache/hadoop/mapreduce/JobContext.html" title="class in org.apache.hadoop.mapreduce">JobContext</A> context)</CODE> |
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489 | |
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490 | <BR> |
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491 | Create the temporary directory that is the root of all of the task |
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492 | work directories.</TD> |
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493 | </TR> |
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494 | </TABLE> |
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495 | |
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496 | <P> |
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497 | <HR> |
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498 | |
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499 | |
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500 | <!-- ======= START OF BOTTOM NAVBAR ====== --> |
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502 | <A HREF="#skip-navbar_bottom" title="Skip navigation links"></A> |
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512 | <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Use</B></FONT> </TD> |
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