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| 7 | MetricsRecord (Hadoop 0.20.1 API) |
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| 58 | <A HREF="../../../../org/apache/hadoop/metrics/MetricsException.html" title="class in org.apache.hadoop.metrics"><B>PREV CLASS</B></A> |
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| 59 | <A HREF="../../../../org/apache/hadoop/metrics/MetricsUtil.html" title="class in org.apache.hadoop.metrics"><B>NEXT CLASS</B></A></FONT></TD> |
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| 77 | <TR> |
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| 78 | <TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> |
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| 79 | SUMMARY: NESTED | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD> |
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| 81 | DETAIL: FIELD | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD> |
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| 86 | |
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| 87 | <HR> |
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| 88 | <!-- ======== START OF CLASS DATA ======== --> |
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| 89 | <H2> |
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| 90 | <FONT SIZE="-1"> |
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| 91 | org.apache.hadoop.metrics</FONT> |
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| 92 | <BR> |
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| 93 | Interface MetricsRecord</H2> |
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| 94 | <DL> |
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| 95 | <DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../../../org/apache/hadoop/metrics/spi/MetricsRecordImpl.html" title="class in org.apache.hadoop.metrics.spi">MetricsRecordImpl</A></DD> |
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| 96 | </DL> |
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| 97 | <HR> |
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| 98 | <DL> |
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| 99 | <DT><PRE>public interface <B>MetricsRecord</B></DL> |
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| 100 | </PRE> |
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| 101 | |
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| 102 | <P> |
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| 103 | A named and optionally tagged set of records to be sent to the metrics |
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| 104 | system. <p/> |
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| 105 | |
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| 106 | A record name identifies the kind of data to be reported. For example, a |
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| 107 | program reporting statistics relating to the disks on a computer might use |
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| 108 | a record name "diskStats".<p/> |
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| 109 | |
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| 110 | A record has zero or more <i>tags</i>. A tag has a name and a value. To |
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| 111 | continue the example, the "diskStats" record might use a tag named |
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| 112 | "diskName" to identify a particular disk. Sometimes it is useful to have |
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| 113 | more than one tag, so there might also be a "diskType" with value "ide" or |
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| 114 | "scsi" or whatever.<p/> |
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| 115 | |
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| 116 | A record also has zero or more <i>metrics</i>. These are the named |
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| 117 | values that are to be reported to the metrics system. In the "diskStats" |
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| 118 | example, possible metric names would be "diskPercentFull", "diskPercentBusy", |
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| 119 | "kbReadPerSecond", etc.<p/> |
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| 120 | |
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| 121 | The general procedure for using a MetricsRecord is to fill in its tag and |
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| 122 | metric values, and then call <code>update()</code> to pass the record to the |
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| 123 | client library. |
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| 124 | Metric data is not immediately sent to the metrics system |
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| 125 | each time that <code>update()</code> is called. |
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| 126 | An internal table is maintained, identified by the record name. This |
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| 127 | table has columns |
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| 128 | corresponding to the tag and the metric names, and rows |
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| 129 | corresponding to each unique set of tag values. An update |
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| 130 | either modifies an existing row in the table, or adds a new row with a set of |
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| 131 | tag values that are different from all the other rows. Note that if there |
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| 132 | are no tags, then there can be at most one row in the table. <p/> |
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| 133 | |
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| 134 | Once a row is added to the table, its data will be sent to the metrics system |
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| 135 | on every timer period, whether or not it has been updated since the previous |
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| 136 | timer period. If this is inappropriate, for example if metrics were being |
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| 137 | reported by some transient object in an application, the <code>remove()</code> |
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| 138 | method can be used to remove the row and thus stop the data from being |
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| 139 | sent.<p/> |
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| 140 | |
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| 141 | Note that the <code>update()</code> method is atomic. This means that it is |
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| 142 | safe for different threads to be updating the same metric. More precisely, |
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| 143 | it is OK for different threads to call <code>update()</code> on MetricsRecord instances |
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| 144 | with the same set of tag names and tag values. Different threads should |
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| 145 | <b>not</b> use the same MetricsRecord instance at the same time. |
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| 146 | <P> |
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| 147 | |
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| 148 | <P> |
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| 149 | <HR> |
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| 150 | |
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| 151 | <P> |
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| 152 | |
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| 153 | <!-- ========== METHOD SUMMARY =========== --> |
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| 154 | |
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| 155 | <A NAME="method_summary"><!-- --></A> |
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| 156 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 157 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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| 158 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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| 159 | <B>Method Summary</B></FONT></TH> |
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| 160 | </TR> |
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| 161 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 162 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 163 | <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> |
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| 164 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/metrics/MetricsRecord.html#getRecordName()">getRecordName</A></B>()</CODE> |
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| 165 | |
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| 166 | <BR> |
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| 167 | Returns the record name.</TD> |
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| 168 | </TR> |
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| 169 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 170 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 171 | <CODE> void</CODE></FONT></TD> |
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| 172 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/metrics/MetricsRecord.html#incrMetric(java.lang.String, byte)">incrMetric</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> metricName, |
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| 173 | byte metricValue)</CODE> |
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| 174 | |
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| 175 | <BR> |
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| 176 | Increments the named metric by the specified value.</TD> |
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| 177 | </TR> |
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| 178 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 179 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 180 | <CODE> void</CODE></FONT></TD> |
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| 181 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/metrics/MetricsRecord.html#incrMetric(java.lang.String, float)">incrMetric</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> metricName, |
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| 182 | float metricValue)</CODE> |
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| 183 | |
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| 184 | <BR> |
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| 185 | Increments the named metric by the specified value.</TD> |
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| 186 | </TR> |
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| 187 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 188 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 189 | <CODE> void</CODE></FONT></TD> |
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| 190 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/metrics/MetricsRecord.html#incrMetric(java.lang.String, int)">incrMetric</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> metricName, |
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| 191 | int metricValue)</CODE> |
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| 192 | |
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| 193 | <BR> |
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| 194 | Increments the named metric by the specified value.</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> void</CODE></FONT></TD> |
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| 199 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/metrics/MetricsRecord.html#incrMetric(java.lang.String, long)">incrMetric</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> metricName, |
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| 200 | long metricValue)</CODE> |
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| 201 | |
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| 202 | <BR> |
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| 203 | Increments the named metric by the specified value.</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> void</CODE></FONT></TD> |
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| 208 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/metrics/MetricsRecord.html#incrMetric(java.lang.String, short)">incrMetric</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> metricName, |
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| 209 | short metricValue)</CODE> |
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| 210 | |
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| 211 | <BR> |
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| 212 | Increments the named metric by the specified value.</TD> |
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| 213 | </TR> |
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| 214 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 215 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 216 | <CODE> void</CODE></FONT></TD> |
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| 217 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/metrics/MetricsRecord.html#remove()">remove</A></B>()</CODE> |
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| 218 | |
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| 219 | <BR> |
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| 220 | Removes, from the buffered data table, all rows having tags |
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| 221 | that equal the tags that have been set on this record.</TD> |
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| 222 | </TR> |
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| 223 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 224 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 225 | <CODE> void</CODE></FONT></TD> |
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| 226 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/metrics/MetricsRecord.html#removeTag(java.lang.String)">removeTag</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> tagName)</CODE> |
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| 227 | |
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| 228 | <BR> |
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| 229 | Removes any tag of the specified name.</TD> |
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| 230 | </TR> |
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| 231 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 232 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 233 | <CODE> void</CODE></FONT></TD> |
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| 234 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/metrics/MetricsRecord.html#setMetric(java.lang.String, byte)">setMetric</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> metricName, |
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| 235 | byte metricValue)</CODE> |
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| 236 | |
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| 237 | <BR> |
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| 238 | Sets the named metric to the specified value.</TD> |
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| 239 | </TR> |
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| 240 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 241 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 242 | <CODE> void</CODE></FONT></TD> |
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| 243 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/metrics/MetricsRecord.html#setMetric(java.lang.String, float)">setMetric</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> metricName, |
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| 244 | float metricValue)</CODE> |
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| 245 | |
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| 246 | <BR> |
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| 247 | Sets the named metric to the specified value.</TD> |
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| 248 | </TR> |
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| 249 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 250 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 251 | <CODE> void</CODE></FONT></TD> |
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| 252 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/metrics/MetricsRecord.html#setMetric(java.lang.String, int)">setMetric</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> metricName, |
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| 253 | int metricValue)</CODE> |
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| 254 | |
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| 255 | <BR> |
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| 256 | Sets the named metric to the specified value.</TD> |
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| 257 | </TR> |
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| 258 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 259 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 260 | <CODE> void</CODE></FONT></TD> |
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| 261 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/metrics/MetricsRecord.html#setMetric(java.lang.String, long)">setMetric</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> metricName, |
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| 262 | long metricValue)</CODE> |
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| 263 | |
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| 264 | <BR> |
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| 265 | Sets the named metric to the specified value.</TD> |
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| 266 | </TR> |
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| 267 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 268 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 269 | <CODE> void</CODE></FONT></TD> |
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| 270 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/metrics/MetricsRecord.html#setMetric(java.lang.String, short)">setMetric</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> metricName, |
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| 271 | short metricValue)</CODE> |
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| 272 | |
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| 273 | <BR> |
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| 274 | Sets the named metric to the specified value.</TD> |
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| 275 | </TR> |
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| 276 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 277 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 278 | <CODE> void</CODE></FONT></TD> |
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| 279 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/metrics/MetricsRecord.html#setTag(java.lang.String, byte)">setTag</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> tagName, |
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| 280 | byte tagValue)</CODE> |
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| 281 | |
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| 282 | <BR> |
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| 283 | Sets the named tag to the specified value.</TD> |
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| 284 | </TR> |
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| 285 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 286 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 287 | <CODE> void</CODE></FONT></TD> |
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| 288 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/metrics/MetricsRecord.html#setTag(java.lang.String, int)">setTag</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> tagName, |
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| 289 | int tagValue)</CODE> |
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| 290 | |
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| 291 | <BR> |
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| 292 | Sets the named tag to the specified value.</TD> |
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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> void</CODE></FONT></TD> |
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| 297 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/metrics/MetricsRecord.html#setTag(java.lang.String, long)">setTag</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> tagName, |
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| 298 | long tagValue)</CODE> |
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| 299 | |
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| 300 | <BR> |
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| 301 | Sets the named tag to the specified value.</TD> |
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| 302 | </TR> |
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| 303 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 304 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 305 | <CODE> void</CODE></FONT></TD> |
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| 306 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/metrics/MetricsRecord.html#setTag(java.lang.String, short)">setTag</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> tagName, |
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| 307 | short tagValue)</CODE> |
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| 308 | |
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| 309 | <BR> |
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| 310 | Sets the named tag to the specified value.</TD> |
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| 311 | </TR> |
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| 312 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 313 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 314 | <CODE> void</CODE></FONT></TD> |
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| 315 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/metrics/MetricsRecord.html#setTag(java.lang.String, java.lang.String)">setTag</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> tagName, |
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| 316 | <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> tagValue)</CODE> |
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| 317 | |
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| 318 | <BR> |
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| 319 | Sets the named tag to the specified value.</TD> |
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| 320 | </TR> |
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| 321 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 322 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 323 | <CODE> void</CODE></FONT></TD> |
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| 324 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/metrics/MetricsRecord.html#update()">update</A></B>()</CODE> |
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| 325 | |
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| 326 | <BR> |
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| 327 | Updates the table of buffered data which is to be sent periodically.</TD> |
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| 328 | </TR> |
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| 329 | </TABLE> |
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| 330 | |
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| 331 | <P> |
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| 332 | |
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| 333 | <!-- ============ METHOD DETAIL ========== --> |
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| 334 | |
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| 335 | <A NAME="method_detail"><!-- --></A> |
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| 336 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 337 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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| 338 | <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> |
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| 339 | <B>Method Detail</B></FONT></TH> |
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| 340 | </TR> |
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| 341 | </TABLE> |
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| 342 | |
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| 343 | <A NAME="getRecordName()"><!-- --></A><H3> |
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| 344 | getRecordName</H3> |
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| 345 | <PRE> |
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| 346 | <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>getRecordName</B>()</PRE> |
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| 347 | <DL> |
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| 348 | <DD>Returns the record name. |
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| 349 | <P> |
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| 350 | <DD><DL> |
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| 351 | |
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| 352 | <DT><B>Returns:</B><DD>the record name</DL> |
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| 353 | </DD> |
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| 354 | </DL> |
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| 355 | <HR> |
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| 356 | |
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| 357 | <A NAME="setTag(java.lang.String, java.lang.String)"><!-- --></A><H3> |
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| 358 | setTag</H3> |
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| 359 | <PRE> |
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| 360 | void <B>setTag</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> tagName, |
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| 361 | <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> tagValue)</PRE> |
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| 362 | <DL> |
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| 363 | <DD>Sets the named tag to the specified value. The tagValue may be null, |
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| 364 | which is treated the same as an empty String. |
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| 365 | <P> |
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| 366 | <DD><DL> |
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| 367 | <DT><B>Parameters:</B><DD><CODE>tagName</CODE> - name of the tag<DD><CODE>tagValue</CODE> - new value of the tag |
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| 368 | <DT><B>Throws:</B> |
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| 369 | <DD><CODE><A HREF="../../../../org/apache/hadoop/metrics/MetricsException.html" title="class in org.apache.hadoop.metrics">MetricsException</A></CODE> - if the tagName conflicts with the configuration</DL> |
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| 370 | </DD> |
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| 371 | </DL> |
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| 372 | <HR> |
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| 373 | |
---|
| 374 | <A NAME="setTag(java.lang.String, int)"><!-- --></A><H3> |
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| 375 | setTag</H3> |
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| 376 | <PRE> |
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| 377 | void <B>setTag</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> tagName, |
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| 378 | int tagValue)</PRE> |
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| 379 | <DL> |
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| 380 | <DD>Sets the named tag to the specified value. |
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| 381 | <P> |
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| 382 | <DD><DL> |
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| 383 | <DT><B>Parameters:</B><DD><CODE>tagName</CODE> - name of the tag<DD><CODE>tagValue</CODE> - new value of the tag |
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| 384 | <DT><B>Throws:</B> |
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| 385 | <DD><CODE><A HREF="../../../../org/apache/hadoop/metrics/MetricsException.html" title="class in org.apache.hadoop.metrics">MetricsException</A></CODE> - if the tagName conflicts with the configuration</DL> |
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| 386 | </DD> |
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| 387 | </DL> |
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| 388 | <HR> |
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| 389 | |
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| 390 | <A NAME="setTag(java.lang.String, long)"><!-- --></A><H3> |
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| 391 | setTag</H3> |
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| 392 | <PRE> |
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| 393 | void <B>setTag</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> tagName, |
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| 394 | long tagValue)</PRE> |
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| 395 | <DL> |
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| 396 | <DD>Sets the named tag to the specified value. |
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| 397 | <P> |
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| 398 | <DD><DL> |
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| 399 | <DT><B>Parameters:</B><DD><CODE>tagName</CODE> - name of the tag<DD><CODE>tagValue</CODE> - new value of the tag |
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| 400 | <DT><B>Throws:</B> |
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| 401 | <DD><CODE><A HREF="../../../../org/apache/hadoop/metrics/MetricsException.html" title="class in org.apache.hadoop.metrics">MetricsException</A></CODE> - if the tagName conflicts with the configuration</DL> |
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| 402 | </DD> |
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| 403 | </DL> |
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| 404 | <HR> |
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| 405 | |
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| 406 | <A NAME="setTag(java.lang.String, short)"><!-- --></A><H3> |
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| 407 | setTag</H3> |
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| 408 | <PRE> |
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| 409 | void <B>setTag</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> tagName, |
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| 410 | short tagValue)</PRE> |
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| 411 | <DL> |
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| 412 | <DD>Sets the named tag to the specified value. |
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| 413 | <P> |
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| 414 | <DD><DL> |
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| 415 | <DT><B>Parameters:</B><DD><CODE>tagName</CODE> - name of the tag<DD><CODE>tagValue</CODE> - new value of the tag |
---|
| 416 | <DT><B>Throws:</B> |
---|
| 417 | <DD><CODE><A HREF="../../../../org/apache/hadoop/metrics/MetricsException.html" title="class in org.apache.hadoop.metrics">MetricsException</A></CODE> - if the tagName conflicts with the configuration</DL> |
---|
| 418 | </DD> |
---|
| 419 | </DL> |
---|
| 420 | <HR> |
---|
| 421 | |
---|
| 422 | <A NAME="setTag(java.lang.String, byte)"><!-- --></A><H3> |
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| 423 | setTag</H3> |
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| 424 | <PRE> |
---|
| 425 | void <B>setTag</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> tagName, |
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| 426 | byte tagValue)</PRE> |
---|
| 427 | <DL> |
---|
| 428 | <DD>Sets the named tag to the specified value. |
---|
| 429 | <P> |
---|
| 430 | <DD><DL> |
---|
| 431 | <DT><B>Parameters:</B><DD><CODE>tagName</CODE> - name of the tag<DD><CODE>tagValue</CODE> - new value of the tag |
---|
| 432 | <DT><B>Throws:</B> |
---|
| 433 | <DD><CODE><A HREF="../../../../org/apache/hadoop/metrics/MetricsException.html" title="class in org.apache.hadoop.metrics">MetricsException</A></CODE> - if the tagName conflicts with the configuration</DL> |
---|
| 434 | </DD> |
---|
| 435 | </DL> |
---|
| 436 | <HR> |
---|
| 437 | |
---|
| 438 | <A NAME="removeTag(java.lang.String)"><!-- --></A><H3> |
---|
| 439 | removeTag</H3> |
---|
| 440 | <PRE> |
---|
| 441 | void <B>removeTag</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> tagName)</PRE> |
---|
| 442 | <DL> |
---|
| 443 | <DD>Removes any tag of the specified name. |
---|
| 444 | <P> |
---|
| 445 | <DD><DL> |
---|
| 446 | <DT><B>Parameters:</B><DD><CODE>tagName</CODE> - name of a tag</DL> |
---|
| 447 | </DD> |
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| 448 | </DL> |
---|
| 449 | <HR> |
---|
| 450 | |
---|
| 451 | <A NAME="setMetric(java.lang.String, int)"><!-- --></A><H3> |
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| 452 | setMetric</H3> |
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| 453 | <PRE> |
---|
| 454 | void <B>setMetric</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> metricName, |
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| 455 | int metricValue)</PRE> |
---|
| 456 | <DL> |
---|
| 457 | <DD>Sets the named metric to the specified value. |
---|
| 458 | <P> |
---|
| 459 | <DD><DL> |
---|
| 460 | <DT><B>Parameters:</B><DD><CODE>metricName</CODE> - name of the metric<DD><CODE>metricValue</CODE> - new value of the metric |
---|
| 461 | <DT><B>Throws:</B> |
---|
| 462 | <DD><CODE><A HREF="../../../../org/apache/hadoop/metrics/MetricsException.html" title="class in org.apache.hadoop.metrics">MetricsException</A></CODE> - if the metricName or the type of the metricValue |
---|
| 463 | conflicts with the configuration</DL> |
---|
| 464 | </DD> |
---|
| 465 | </DL> |
---|
| 466 | <HR> |
---|
| 467 | |
---|
| 468 | <A NAME="setMetric(java.lang.String, long)"><!-- --></A><H3> |
---|
| 469 | setMetric</H3> |
---|
| 470 | <PRE> |
---|
| 471 | void <B>setMetric</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> metricName, |
---|
| 472 | long metricValue)</PRE> |
---|
| 473 | <DL> |
---|
| 474 | <DD>Sets the named metric to the specified value. |
---|
| 475 | <P> |
---|
| 476 | <DD><DL> |
---|
| 477 | <DT><B>Parameters:</B><DD><CODE>metricName</CODE> - name of the metric<DD><CODE>metricValue</CODE> - new value of the metric |
---|
| 478 | <DT><B>Throws:</B> |
---|
| 479 | <DD><CODE><A HREF="../../../../org/apache/hadoop/metrics/MetricsException.html" title="class in org.apache.hadoop.metrics">MetricsException</A></CODE> - if the metricName or the type of the metricValue |
---|
| 480 | conflicts with the configuration</DL> |
---|
| 481 | </DD> |
---|
| 482 | </DL> |
---|
| 483 | <HR> |
---|
| 484 | |
---|
| 485 | <A NAME="setMetric(java.lang.String, short)"><!-- --></A><H3> |
---|
| 486 | setMetric</H3> |
---|
| 487 | <PRE> |
---|
| 488 | void <B>setMetric</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> metricName, |
---|
| 489 | short metricValue)</PRE> |
---|
| 490 | <DL> |
---|
| 491 | <DD>Sets the named metric to the specified value. |
---|
| 492 | <P> |
---|
| 493 | <DD><DL> |
---|
| 494 | <DT><B>Parameters:</B><DD><CODE>metricName</CODE> - name of the metric<DD><CODE>metricValue</CODE> - new value of the metric |
---|
| 495 | <DT><B>Throws:</B> |
---|
| 496 | <DD><CODE><A HREF="../../../../org/apache/hadoop/metrics/MetricsException.html" title="class in org.apache.hadoop.metrics">MetricsException</A></CODE> - if the metricName or the type of the metricValue |
---|
| 497 | conflicts with the configuration</DL> |
---|
| 498 | </DD> |
---|
| 499 | </DL> |
---|
| 500 | <HR> |
---|
| 501 | |
---|
| 502 | <A NAME="setMetric(java.lang.String, byte)"><!-- --></A><H3> |
---|
| 503 | setMetric</H3> |
---|
| 504 | <PRE> |
---|
| 505 | void <B>setMetric</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> metricName, |
---|
| 506 | byte metricValue)</PRE> |
---|
| 507 | <DL> |
---|
| 508 | <DD>Sets the named metric to the specified value. |
---|
| 509 | <P> |
---|
| 510 | <DD><DL> |
---|
| 511 | <DT><B>Parameters:</B><DD><CODE>metricName</CODE> - name of the metric<DD><CODE>metricValue</CODE> - new value of the metric |
---|
| 512 | <DT><B>Throws:</B> |
---|
| 513 | <DD><CODE><A HREF="../../../../org/apache/hadoop/metrics/MetricsException.html" title="class in org.apache.hadoop.metrics">MetricsException</A></CODE> - if the metricName or the type of the metricValue |
---|
| 514 | conflicts with the configuration</DL> |
---|
| 515 | </DD> |
---|
| 516 | </DL> |
---|
| 517 | <HR> |
---|
| 518 | |
---|
| 519 | <A NAME="setMetric(java.lang.String, float)"><!-- --></A><H3> |
---|
| 520 | setMetric</H3> |
---|
| 521 | <PRE> |
---|
| 522 | void <B>setMetric</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> metricName, |
---|
| 523 | float metricValue)</PRE> |
---|
| 524 | <DL> |
---|
| 525 | <DD>Sets the named metric to the specified value. |
---|
| 526 | <P> |
---|
| 527 | <DD><DL> |
---|
| 528 | <DT><B>Parameters:</B><DD><CODE>metricName</CODE> - name of the metric<DD><CODE>metricValue</CODE> - new value of the metric |
---|
| 529 | <DT><B>Throws:</B> |
---|
| 530 | <DD><CODE><A HREF="../../../../org/apache/hadoop/metrics/MetricsException.html" title="class in org.apache.hadoop.metrics">MetricsException</A></CODE> - if the metricName or the type of the metricValue |
---|
| 531 | conflicts with the configuration</DL> |
---|
| 532 | </DD> |
---|
| 533 | </DL> |
---|
| 534 | <HR> |
---|
| 535 | |
---|
| 536 | <A NAME="incrMetric(java.lang.String, int)"><!-- --></A><H3> |
---|
| 537 | incrMetric</H3> |
---|
| 538 | <PRE> |
---|
| 539 | void <B>incrMetric</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> metricName, |
---|
| 540 | int metricValue)</PRE> |
---|
| 541 | <DL> |
---|
| 542 | <DD>Increments the named metric by the specified value. |
---|
| 543 | <P> |
---|
| 544 | <DD><DL> |
---|
| 545 | <DT><B>Parameters:</B><DD><CODE>metricName</CODE> - name of the metric<DD><CODE>metricValue</CODE> - incremental value |
---|
| 546 | <DT><B>Throws:</B> |
---|
| 547 | <DD><CODE><A HREF="../../../../org/apache/hadoop/metrics/MetricsException.html" title="class in org.apache.hadoop.metrics">MetricsException</A></CODE> - if the metricName or the type of the metricValue |
---|
| 548 | conflicts with the configuration</DL> |
---|
| 549 | </DD> |
---|
| 550 | </DL> |
---|
| 551 | <HR> |
---|
| 552 | |
---|
| 553 | <A NAME="incrMetric(java.lang.String, long)"><!-- --></A><H3> |
---|
| 554 | incrMetric</H3> |
---|
| 555 | <PRE> |
---|
| 556 | void <B>incrMetric</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> metricName, |
---|
| 557 | long metricValue)</PRE> |
---|
| 558 | <DL> |
---|
| 559 | <DD>Increments the named metric by the specified value. |
---|
| 560 | <P> |
---|
| 561 | <DD><DL> |
---|
| 562 | <DT><B>Parameters:</B><DD><CODE>metricName</CODE> - name of the metric<DD><CODE>metricValue</CODE> - incremental value |
---|
| 563 | <DT><B>Throws:</B> |
---|
| 564 | <DD><CODE><A HREF="../../../../org/apache/hadoop/metrics/MetricsException.html" title="class in org.apache.hadoop.metrics">MetricsException</A></CODE> - if the metricName or the type of the metricValue |
---|
| 565 | conflicts with the configuration</DL> |
---|
| 566 | </DD> |
---|
| 567 | </DL> |
---|
| 568 | <HR> |
---|
| 569 | |
---|
| 570 | <A NAME="incrMetric(java.lang.String, short)"><!-- --></A><H3> |
---|
| 571 | incrMetric</H3> |
---|
| 572 | <PRE> |
---|
| 573 | void <B>incrMetric</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> metricName, |
---|
| 574 | short metricValue)</PRE> |
---|
| 575 | <DL> |
---|
| 576 | <DD>Increments the named metric by the specified value. |
---|
| 577 | <P> |
---|
| 578 | <DD><DL> |
---|
| 579 | <DT><B>Parameters:</B><DD><CODE>metricName</CODE> - name of the metric<DD><CODE>metricValue</CODE> - incremental value |
---|
| 580 | <DT><B>Throws:</B> |
---|
| 581 | <DD><CODE><A HREF="../../../../org/apache/hadoop/metrics/MetricsException.html" title="class in org.apache.hadoop.metrics">MetricsException</A></CODE> - if the metricName or the type of the metricValue |
---|
| 582 | conflicts with the configuration</DL> |
---|
| 583 | </DD> |
---|
| 584 | </DL> |
---|
| 585 | <HR> |
---|
| 586 | |
---|
| 587 | <A NAME="incrMetric(java.lang.String, byte)"><!-- --></A><H3> |
---|
| 588 | incrMetric</H3> |
---|
| 589 | <PRE> |
---|
| 590 | void <B>incrMetric</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> metricName, |
---|
| 591 | byte metricValue)</PRE> |
---|
| 592 | <DL> |
---|
| 593 | <DD>Increments the named metric by the specified value. |
---|
| 594 | <P> |
---|
| 595 | <DD><DL> |
---|
| 596 | <DT><B>Parameters:</B><DD><CODE>metricName</CODE> - name of the metric<DD><CODE>metricValue</CODE> - incremental value |
---|
| 597 | <DT><B>Throws:</B> |
---|
| 598 | <DD><CODE><A HREF="../../../../org/apache/hadoop/metrics/MetricsException.html" title="class in org.apache.hadoop.metrics">MetricsException</A></CODE> - if the metricName or the type of the metricValue |
---|
| 599 | conflicts with the configuration</DL> |
---|
| 600 | </DD> |
---|
| 601 | </DL> |
---|
| 602 | <HR> |
---|
| 603 | |
---|
| 604 | <A NAME="incrMetric(java.lang.String, float)"><!-- --></A><H3> |
---|
| 605 | incrMetric</H3> |
---|
| 606 | <PRE> |
---|
| 607 | void <B>incrMetric</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> metricName, |
---|
| 608 | float metricValue)</PRE> |
---|
| 609 | <DL> |
---|
| 610 | <DD>Increments the named metric by the specified value. |
---|
| 611 | <P> |
---|
| 612 | <DD><DL> |
---|
| 613 | <DT><B>Parameters:</B><DD><CODE>metricName</CODE> - name of the metric<DD><CODE>metricValue</CODE> - incremental value |
---|
| 614 | <DT><B>Throws:</B> |
---|
| 615 | <DD><CODE><A HREF="../../../../org/apache/hadoop/metrics/MetricsException.html" title="class in org.apache.hadoop.metrics">MetricsException</A></CODE> - if the metricName or the type of the metricValue |
---|
| 616 | conflicts with the configuration</DL> |
---|
| 617 | </DD> |
---|
| 618 | </DL> |
---|
| 619 | <HR> |
---|
| 620 | |
---|
| 621 | <A NAME="update()"><!-- --></A><H3> |
---|
| 622 | update</H3> |
---|
| 623 | <PRE> |
---|
| 624 | void <B>update</B>()</PRE> |
---|
| 625 | <DL> |
---|
| 626 | <DD>Updates the table of buffered data which is to be sent periodically. |
---|
| 627 | If the tag values match an existing row, that row is updated; |
---|
| 628 | otherwise, a new row is added. |
---|
| 629 | <P> |
---|
| 630 | <DD><DL> |
---|
| 631 | </DL> |
---|
| 632 | </DD> |
---|
| 633 | </DL> |
---|
| 634 | <HR> |
---|
| 635 | |
---|
| 636 | <A NAME="remove()"><!-- --></A><H3> |
---|
| 637 | remove</H3> |
---|
| 638 | <PRE> |
---|
| 639 | void <B>remove</B>()</PRE> |
---|
| 640 | <DL> |
---|
| 641 | <DD>Removes, from the buffered data table, all rows having tags |
---|
| 642 | that equal the tags that have been set on this record. For example, |
---|
| 643 | if there are no tags on this record, all rows for this record name |
---|
| 644 | would be removed. Or, if there is a single tag on this record, then |
---|
| 645 | just rows containing a tag with the same name and value would be removed. |
---|
| 646 | <P> |
---|
| 647 | <DD><DL> |
---|
| 648 | </DL> |
---|
| 649 | </DD> |
---|
| 650 | </DL> |
---|
| 651 | <!-- ========= END OF CLASS DATA ========= --> |
---|
| 652 | <HR> |
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| 653 | |
---|
| 654 | |
---|
| 655 | <!-- ======= START OF BOTTOM NAVBAR ====== --> |
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| 656 | <A NAME="navbar_bottom"><!-- --></A> |
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| 657 | <A HREF="#skip-navbar_bottom" title="Skip navigation links"></A> |
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| 658 | <TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""> |
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| 659 | <TR> |
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| 660 | <TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> |
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| 661 | <A NAME="navbar_bottom_firstrow"><!-- --></A> |
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| 662 | <TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> |
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| 663 | <TR ALIGN="center" VALIGN="top"> |
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| 664 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> |
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| 665 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> |
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| 666 | <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> |
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| 667 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/MetricsRecord.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> |
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| 668 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> |
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| 669 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> |
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| 670 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> |
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| 671 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> |
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| 672 | </TR> |
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| 673 | </TABLE> |
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| 674 | </TD> |
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| 675 | <TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM> |
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| 676 | </EM> |
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| 677 | </TD> |
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| 678 | </TR> |
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| 679 | |
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| 680 | <TR> |
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| 681 | <TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> |
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| 682 | <A HREF="../../../../org/apache/hadoop/metrics/MetricsException.html" title="class in org.apache.hadoop.metrics"><B>PREV CLASS</B></A> |
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| 683 | <A HREF="../../../../org/apache/hadoop/metrics/MetricsUtil.html" title="class in org.apache.hadoop.metrics"><B>NEXT CLASS</B></A></FONT></TD> |
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| 684 | <TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> |
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| 685 | <A HREF="../../../../index.html?org/apache/hadoop/metrics/MetricsRecord.html" target="_top"><B>FRAMES</B></A> |
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| 686 | <A HREF="MetricsRecord.html" target="_top"><B>NO FRAMES</B></A> |
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| 687 | <SCRIPT type="text/javascript"> |
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| 688 | <!-- |
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| 689 | if(window==top) { |
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| 690 | document.writeln('<A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A>'); |
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| 691 | } |
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| 692 | //--> |
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| 693 | </SCRIPT> |
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| 694 | <NOSCRIPT> |
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| 695 | <A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A> |
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| 696 | </NOSCRIPT> |
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| 697 | |
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| 698 | |
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