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| 7 | Uses of Class org.apache.hadoop.mapred.MapReduceBase (Hadoop 0.20.1 API) |
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| 82 | <CENTER> |
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| 83 | <H2> |
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| 84 | <B>Uses of Class<br>org.apache.hadoop.mapred.MapReduceBase</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/mapred/MapReduceBase.html" title="class in org.apache.hadoop.mapred">MapReduceBase</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.contrib.index.mapred"><B>org.apache.hadoop.contrib.index.mapred</B></A></TD> |
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| 94 | <TD> </TD> |
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| 95 | </TR> |
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| 96 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 97 | <TD><A HREF="#org.apache.hadoop.examples"><B>org.apache.hadoop.examples</B></A></TD> |
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| 98 | <TD>Hadoop example code. </TD> |
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| 99 | </TR> |
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| 100 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 101 | <TD><A HREF="#org.apache.hadoop.examples.dancing"><B>org.apache.hadoop.examples.dancing</B></A></TD> |
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| 102 | <TD>This package is a distributed implementation of Knuth's <a |
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| 103 | href="http://en.wikipedia.org/wiki/Dancing_Links">dancing links</a> |
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| 104 | algorithm that can run under Hadoop. </TD> |
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| 105 | </TR> |
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| 106 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 107 | <TD><A HREF="#org.apache.hadoop.examples.terasort"><B>org.apache.hadoop.examples.terasort</B></A></TD> |
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| 108 | <TD>This package consists of 3 map/reduce applications for Hadoop to |
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| 109 | compete in the annual <a |
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| 110 | href="http://www.hpl.hp.com/hosted/sortbenchmark" target="_top">terabyte sort</a> |
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| 111 | competition. </TD> |
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| 112 | </TR> |
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| 113 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 114 | <TD><A HREF="#org.apache.hadoop.mapred.lib"><B>org.apache.hadoop.mapred.lib</B></A></TD> |
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| 115 | <TD>Library of generally useful mappers, reducers, and partitioners. </TD> |
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| 116 | </TR> |
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| 117 | </TABLE> |
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| 118 | |
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| 119 | <P> |
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| 120 | <A NAME="org.apache.hadoop.contrib.index.mapred"><!-- --></A> |
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| 121 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 122 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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| 123 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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| 124 | Uses of <A HREF="../../../../../org/apache/hadoop/mapred/MapReduceBase.html" title="class in org.apache.hadoop.mapred">MapReduceBase</A> in <A HREF="../../../../../org/apache/hadoop/contrib/index/mapred/package-summary.html">org.apache.hadoop.contrib.index.mapred</A></FONT></TH> |
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| 125 | </TR> |
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| 126 | </TABLE> |
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| 127 | |
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| 128 | <P> |
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| 129 | |
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| 130 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 131 | <TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"> |
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| 132 | <TH ALIGN="left" COLSPAN="2">Subclasses of <A HREF="../../../../../org/apache/hadoop/mapred/MapReduceBase.html" title="class in org.apache.hadoop.mapred">MapReduceBase</A> in <A HREF="../../../../../org/apache/hadoop/contrib/index/mapred/package-summary.html">org.apache.hadoop.contrib.index.mapred</A></FONT></TH> |
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| 133 | </TR> |
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| 134 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 135 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 136 | <CODE> class</CODE></FONT></TD> |
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| 137 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/contrib/index/mapred/IndexUpdateCombiner.html" title="class in org.apache.hadoop.contrib.index.mapred">IndexUpdateCombiner</A></B></CODE> |
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| 138 | |
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| 139 | <BR> |
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| 140 | This combiner combines multiple intermediate forms into one intermediate |
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| 141 | form.</TD> |
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| 142 | </TR> |
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| 143 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 144 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 145 | <CODE> class</CODE></FONT></TD> |
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| 146 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/contrib/index/mapred/IndexUpdateMapper.html" title="class in org.apache.hadoop.contrib.index.mapred">IndexUpdateMapper<K extends WritableComparable,V extends Writable></A></B></CODE> |
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| 147 | |
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| 148 | <BR> |
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| 149 | This class applies local analysis on a key-value pair and then convert the |
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| 150 | result docid-operation pair to a shard-and-intermediate form pair.</TD> |
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| 151 | </TR> |
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| 152 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 153 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 154 | <CODE> class</CODE></FONT></TD> |
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| 155 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/contrib/index/mapred/IndexUpdateReducer.html" title="class in org.apache.hadoop.contrib.index.mapred">IndexUpdateReducer</A></B></CODE> |
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| 156 | |
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| 157 | <BR> |
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| 158 | This reducer applies to a shard the changes for it.</TD> |
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| 159 | </TR> |
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| 160 | </TABLE> |
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| 161 | |
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| 162 | <P> |
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| 163 | <A NAME="org.apache.hadoop.examples"><!-- --></A> |
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| 164 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 165 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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| 166 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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| 167 | Uses of <A HREF="../../../../../org/apache/hadoop/mapred/MapReduceBase.html" title="class in org.apache.hadoop.mapred">MapReduceBase</A> in <A HREF="../../../../../org/apache/hadoop/examples/package-summary.html">org.apache.hadoop.examples</A></FONT></TH> |
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| 168 | </TR> |
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| 169 | </TABLE> |
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| 170 | |
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| 171 | <P> |
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| 172 | |
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| 173 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 174 | <TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"> |
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| 175 | <TH ALIGN="left" COLSPAN="2">Subclasses of <A HREF="../../../../../org/apache/hadoop/mapred/MapReduceBase.html" title="class in org.apache.hadoop.mapred">MapReduceBase</A> in <A HREF="../../../../../org/apache/hadoop/examples/package-summary.html">org.apache.hadoop.examples</A></FONT></TH> |
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| 176 | </TR> |
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| 177 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 178 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 179 | <CODE>static class</CODE></FONT></TD> |
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| 180 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/examples/MultiFileWordCount.MapClass.html" title="class in org.apache.hadoop.examples">MultiFileWordCount.MapClass</A></B></CODE> |
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| 181 | |
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| 182 | <BR> |
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| 183 | This Mapper is similar to the one in <A HREF="../../../../../org/apache/hadoop/examples/MultiFileWordCount.MapClass.html" title="class in org.apache.hadoop.examples"><CODE>MultiFileWordCount.MapClass</CODE></A>.</TD> |
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| 184 | </TR> |
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| 185 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 186 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 187 | <CODE>static class</CODE></FONT></TD> |
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| 188 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/examples/PiEstimator.PiMapper.html" title="class in org.apache.hadoop.examples">PiEstimator.PiMapper</A></B></CODE> |
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| 189 | |
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| 190 | <BR> |
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| 191 | Mapper class for Pi estimation.</TD> |
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| 192 | </TR> |
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| 193 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 194 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 195 | <CODE>static class</CODE></FONT></TD> |
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| 196 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/examples/PiEstimator.PiReducer.html" title="class in org.apache.hadoop.examples">PiEstimator.PiReducer</A></B></CODE> |
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| 197 | |
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| 198 | <BR> |
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| 199 | Reducer class for Pi estimation.</TD> |
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| 200 | </TR> |
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| 201 | </TABLE> |
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| 202 | |
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| 203 | <P> |
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| 204 | <A NAME="org.apache.hadoop.examples.dancing"><!-- --></A> |
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| 205 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 206 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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| 207 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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| 208 | Uses of <A HREF="../../../../../org/apache/hadoop/mapred/MapReduceBase.html" title="class in org.apache.hadoop.mapred">MapReduceBase</A> in <A HREF="../../../../../org/apache/hadoop/examples/dancing/package-summary.html">org.apache.hadoop.examples.dancing</A></FONT></TH> |
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| 209 | </TR> |
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| 210 | </TABLE> |
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| 211 | |
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| 212 | <P> |
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| 213 | |
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| 214 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 215 | <TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"> |
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| 216 | <TH ALIGN="left" COLSPAN="2">Subclasses of <A HREF="../../../../../org/apache/hadoop/mapred/MapReduceBase.html" title="class in org.apache.hadoop.mapred">MapReduceBase</A> in <A HREF="../../../../../org/apache/hadoop/examples/dancing/package-summary.html">org.apache.hadoop.examples.dancing</A></FONT></TH> |
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| 217 | </TR> |
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| 218 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 219 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 220 | <CODE>static class</CODE></FONT></TD> |
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| 221 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/examples/dancing/DistributedPentomino.PentMap.html" title="class in org.apache.hadoop.examples.dancing">DistributedPentomino.PentMap</A></B></CODE> |
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| 222 | |
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| 223 | <BR> |
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| 224 | Each map takes a line, which represents a prefix move and finds all of |
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| 225 | the solutions that start with that prefix.</TD> |
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| 226 | </TR> |
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| 227 | </TABLE> |
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| 228 | |
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| 229 | <P> |
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| 230 | <A NAME="org.apache.hadoop.examples.terasort"><!-- --></A> |
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| 231 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 232 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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| 233 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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| 234 | Uses of <A HREF="../../../../../org/apache/hadoop/mapred/MapReduceBase.html" title="class in org.apache.hadoop.mapred">MapReduceBase</A> in <A HREF="../../../../../org/apache/hadoop/examples/terasort/package-summary.html">org.apache.hadoop.examples.terasort</A></FONT></TH> |
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| 235 | </TR> |
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| 236 | </TABLE> |
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| 237 | |
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| 238 | <P> |
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| 239 | |
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| 240 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 241 | <TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"> |
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| 242 | <TH ALIGN="left" COLSPAN="2">Subclasses of <A HREF="../../../../../org/apache/hadoop/mapred/MapReduceBase.html" title="class in org.apache.hadoop.mapred">MapReduceBase</A> in <A HREF="../../../../../org/apache/hadoop/examples/terasort/package-summary.html">org.apache.hadoop.examples.terasort</A></FONT></TH> |
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| 243 | </TR> |
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| 244 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 245 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 246 | <CODE>static class</CODE></FONT></TD> |
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| 247 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/examples/terasort/TeraGen.SortGenMapper.html" title="class in org.apache.hadoop.examples.terasort">TeraGen.SortGenMapper</A></B></CODE> |
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| 248 | |
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| 249 | <BR> |
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| 250 | The Mapper class that given a row number, will generate the appropriate |
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| 251 | output line.</TD> |
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| 252 | </TR> |
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| 253 | </TABLE> |
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| 254 | |
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| 255 | <P> |
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| 256 | <A NAME="org.apache.hadoop.mapred.lib"><!-- --></A> |
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| 257 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 258 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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| 259 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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| 260 | Uses of <A HREF="../../../../../org/apache/hadoop/mapred/MapReduceBase.html" title="class in org.apache.hadoop.mapred">MapReduceBase</A> in <A HREF="../../../../../org/apache/hadoop/mapred/lib/package-summary.html">org.apache.hadoop.mapred.lib</A></FONT></TH> |
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| 261 | </TR> |
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| 262 | </TABLE> |
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| 263 | |
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| 264 | <P> |
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| 265 | |
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| 266 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 267 | <TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"> |
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| 268 | <TH ALIGN="left" COLSPAN="2">Subclasses of <A HREF="../../../../../org/apache/hadoop/mapred/MapReduceBase.html" title="class in org.apache.hadoop.mapred">MapReduceBase</A> in <A HREF="../../../../../org/apache/hadoop/mapred/lib/package-summary.html">org.apache.hadoop.mapred.lib</A></FONT></TH> |
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| 269 | </TR> |
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| 270 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 271 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 272 | <CODE> class</CODE></FONT></TD> |
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| 273 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/IdentityMapper.html" title="class in org.apache.hadoop.mapred.lib">IdentityMapper<K,V></A></B></CODE> |
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| 274 | |
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| 275 | <BR> |
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| 276 | <B>Deprecated.</B> <I>Use <A HREF="../../../../../org/apache/hadoop/mapreduce/Mapper.html" title="class in org.apache.hadoop.mapreduce"><CODE>Mapper</CODE></A> instead.</I></TD> |
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| 277 | </TR> |
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| 278 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 279 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 280 | <CODE> class</CODE></FONT></TD> |
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| 281 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/IdentityReducer.html" title="class in org.apache.hadoop.mapred.lib">IdentityReducer<K,V></A></B></CODE> |
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| 282 | |
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| 283 | <BR> |
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| 284 | <B>Deprecated.</B> <I>Use <A HREF="../../../../../org/apache/hadoop/mapreduce/Reducer.html" title="class in org.apache.hadoop.mapreduce"><CODE>Reducer</CODE></A> instead.</I></TD> |
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| 285 | </TR> |
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| 286 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 287 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 288 | <CODE> class</CODE></FONT></TD> |
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| 289 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/InverseMapper.html" title="class in org.apache.hadoop.mapred.lib">InverseMapper<K,V></A></B></CODE> |
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| 290 | |
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| 291 | <BR> |
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| 292 | <B>Deprecated.</B> <I>Use <A HREF="../../../../../org/apache/hadoop/mapreduce/lib/map/InverseMapper.html" title="class in org.apache.hadoop.mapreduce.lib.map"><CODE>InverseMapper</CODE></A> |
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| 293 | instead.</I></TD> |
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| 294 | </TR> |
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| 295 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 296 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 297 | <CODE> class</CODE></FONT></TD> |
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| 298 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/LongSumReducer.html" title="class in org.apache.hadoop.mapred.lib">LongSumReducer<K></A></B></CODE> |
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| 299 | |
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| 300 | <BR> |
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| 301 | <B>Deprecated.</B> <I>Use <A HREF="../../../../../org/apache/hadoop/mapreduce/lib/reduce/LongSumReducer.html" title="class in org.apache.hadoop.mapreduce.lib.reduce"><CODE>LongSumReducer</CODE></A> |
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| 302 | instead.</I></TD> |
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| 303 | </TR> |
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| 304 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 305 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 306 | <CODE> class</CODE></FONT></TD> |
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| 307 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/RegexMapper.html" title="class in org.apache.hadoop.mapred.lib">RegexMapper<K></A></B></CODE> |
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| 308 | |
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| 309 | <BR> |
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| 310 | A <A HREF="../../../../../org/apache/hadoop/mapred/Mapper.html" title="interface in org.apache.hadoop.mapred"><CODE>Mapper</CODE></A> that extracts text matching a regular expression.</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> class</CODE></FONT></TD> |
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| 315 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/TokenCountMapper.html" title="class in org.apache.hadoop.mapred.lib">TokenCountMapper<K></A></B></CODE> |
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| 316 | |
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| 317 | <BR> |
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| 318 | <B>Deprecated.</B> <I>Use |
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| 319 | <A HREF="../../../../../org/apache/hadoop/mapreduce/lib/map/TokenCounterMapper.html" title="class in org.apache.hadoop.mapreduce.lib.map"><CODE>TokenCounterMapper</CODE></A> instead.</I></TD> |
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| 320 | </TR> |
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| 321 | </TABLE> |
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| 322 | |
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