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| 7 | Uses of Class org.apache.hadoop.mapred.FileInputFormat (Hadoop 0.20.1 API) |
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| 83 | <H2> |
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| 84 | <B>Uses of Class<br>org.apache.hadoop.mapred.FileInputFormat</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/FileInputFormat.html" title="class in org.apache.hadoop.mapred">FileInputFormat</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.example"><B>org.apache.hadoop.contrib.index.example</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.terasort"><B>org.apache.hadoop.examples.terasort</B></A></TD> |
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| 102 | <TD>This package consists of 3 map/reduce applications for Hadoop to |
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| 103 | compete in the annual <a |
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| 104 | href="http://www.hpl.hp.com/hosted/sortbenchmark" target="_top">terabyte sort</a> |
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| 105 | competition. </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.mapred"><B>org.apache.hadoop.mapred</B></A></TD> |
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| 109 | <TD>A software framework for easily writing applications which process vast |
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| 110 | amounts of data (multi-terabyte data-sets) parallelly on large clusters |
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| 111 | (thousands of nodes) built of commodity hardware in a reliable, fault-tolerant |
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| 112 | manner. </TD> |
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| 113 | </TR> |
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| 114 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 115 | <TD><A HREF="#org.apache.hadoop.mapred.lib"><B>org.apache.hadoop.mapred.lib</B></A></TD> |
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| 116 | <TD>Library of generally useful mappers, reducers, and partitioners. </TD> |
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| 117 | </TR> |
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| 118 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 119 | <TD><A HREF="#org.apache.hadoop.streaming"><B>org.apache.hadoop.streaming</B></A></TD> |
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| 120 | <TD><tt>Hadoop Streaming</tt> is a utility which allows users to create and run |
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| 121 | Map-Reduce jobs with any executables (e.g. </TD> |
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| 122 | </TR> |
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| 123 | </TABLE> |
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| 124 | |
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| 125 | <P> |
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| 126 | <A NAME="org.apache.hadoop.contrib.index.example"><!-- --></A> |
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| 127 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 128 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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| 129 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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| 130 | Uses of <A HREF="../../../../../org/apache/hadoop/mapred/FileInputFormat.html" title="class in org.apache.hadoop.mapred">FileInputFormat</A> in <A HREF="../../../../../org/apache/hadoop/contrib/index/example/package-summary.html">org.apache.hadoop.contrib.index.example</A></FONT></TH> |
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| 131 | </TR> |
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| 132 | </TABLE> |
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| 133 | |
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| 134 | <P> |
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| 135 | |
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| 136 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 137 | <TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"> |
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| 138 | <TH ALIGN="left" COLSPAN="2">Subclasses of <A HREF="../../../../../org/apache/hadoop/mapred/FileInputFormat.html" title="class in org.apache.hadoop.mapred">FileInputFormat</A> in <A HREF="../../../../../org/apache/hadoop/contrib/index/example/package-summary.html">org.apache.hadoop.contrib.index.example</A></FONT></TH> |
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| 139 | </TR> |
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| 140 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 141 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 142 | <CODE> class</CODE></FONT></TD> |
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| 143 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/contrib/index/example/LineDocInputFormat.html" title="class in org.apache.hadoop.contrib.index.example">LineDocInputFormat</A></B></CODE> |
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| 144 | |
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| 145 | <BR> |
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| 146 | An InputFormat for LineDoc for plain text files where each line is a doc.</TD> |
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| 147 | </TR> |
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| 148 | </TABLE> |
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| 149 | |
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| 150 | <P> |
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| 151 | <A NAME="org.apache.hadoop.examples"><!-- --></A> |
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| 152 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 153 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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| 154 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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| 155 | Uses of <A HREF="../../../../../org/apache/hadoop/mapred/FileInputFormat.html" title="class in org.apache.hadoop.mapred">FileInputFormat</A> in <A HREF="../../../../../org/apache/hadoop/examples/package-summary.html">org.apache.hadoop.examples</A></FONT></TH> |
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| 156 | </TR> |
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| 157 | </TABLE> |
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| 158 | |
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| 159 | <P> |
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| 160 | |
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| 161 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 162 | <TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"> |
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| 163 | <TH ALIGN="left" COLSPAN="2">Subclasses of <A HREF="../../../../../org/apache/hadoop/mapred/FileInputFormat.html" title="class in org.apache.hadoop.mapred">FileInputFormat</A> in <A HREF="../../../../../org/apache/hadoop/examples/package-summary.html">org.apache.hadoop.examples</A></FONT></TH> |
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| 164 | </TR> |
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| 165 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 166 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 167 | <CODE>static class</CODE></FONT></TD> |
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| 168 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/examples/MultiFileWordCount.MyInputFormat.html" title="class in org.apache.hadoop.examples">MultiFileWordCount.MyInputFormat</A></B></CODE> |
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| 169 | |
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| 170 | <BR> |
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| 171 | To use <A HREF="../../../../../org/apache/hadoop/mapred/MultiFileInputFormat.html" title="class in org.apache.hadoop.mapred"><CODE>MultiFileInputFormat</CODE></A>, one should extend it, to return a |
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| 172 | (custom) <A HREF="../../../../../org/apache/hadoop/mapred/RecordReader.html" title="interface in org.apache.hadoop.mapred"><CODE>RecordReader</CODE></A>.</TD> |
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| 173 | </TR> |
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| 174 | </TABLE> |
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| 175 | |
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| 176 | <P> |
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| 177 | <A NAME="org.apache.hadoop.examples.terasort"><!-- --></A> |
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| 178 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 179 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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| 180 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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| 181 | Uses of <A HREF="../../../../../org/apache/hadoop/mapred/FileInputFormat.html" title="class in org.apache.hadoop.mapred">FileInputFormat</A> in <A HREF="../../../../../org/apache/hadoop/examples/terasort/package-summary.html">org.apache.hadoop.examples.terasort</A></FONT></TH> |
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| 182 | </TR> |
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| 183 | </TABLE> |
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| 184 | |
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| 185 | <P> |
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| 186 | |
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| 187 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 188 | <TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"> |
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| 189 | <TH ALIGN="left" COLSPAN="2">Subclasses of <A HREF="../../../../../org/apache/hadoop/mapred/FileInputFormat.html" title="class in org.apache.hadoop.mapred">FileInputFormat</A> in <A HREF="../../../../../org/apache/hadoop/examples/terasort/package-summary.html">org.apache.hadoop.examples.terasort</A></FONT></TH> |
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| 190 | </TR> |
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| 191 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 192 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 193 | <CODE> class</CODE></FONT></TD> |
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| 194 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/examples/terasort/TeraInputFormat.html" title="class in org.apache.hadoop.examples.terasort">TeraInputFormat</A></B></CODE> |
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| 195 | |
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| 196 | <BR> |
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| 197 | An input format that reads the first 10 characters of each line as the key |
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| 198 | and the rest of the line as the value.</TD> |
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| 199 | </TR> |
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| 200 | </TABLE> |
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| 201 | |
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| 202 | <P> |
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| 203 | <A NAME="org.apache.hadoop.mapred"><!-- --></A> |
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| 204 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 205 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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| 206 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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| 207 | Uses of <A HREF="../../../../../org/apache/hadoop/mapred/FileInputFormat.html" title="class in org.apache.hadoop.mapred">FileInputFormat</A> in <A HREF="../../../../../org/apache/hadoop/mapred/package-summary.html">org.apache.hadoop.mapred</A></FONT></TH> |
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| 208 | </TR> |
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| 209 | </TABLE> |
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| 210 | |
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| 211 | <P> |
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| 212 | |
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| 213 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 214 | <TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"> |
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| 215 | <TH ALIGN="left" COLSPAN="2">Subclasses of <A HREF="../../../../../org/apache/hadoop/mapred/FileInputFormat.html" title="class in org.apache.hadoop.mapred">FileInputFormat</A> in <A HREF="../../../../../org/apache/hadoop/mapred/package-summary.html">org.apache.hadoop.mapred</A></FONT></TH> |
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| 216 | </TR> |
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| 217 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 218 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 219 | <CODE> class</CODE></FONT></TD> |
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| 220 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/KeyValueTextInputFormat.html" title="class in org.apache.hadoop.mapred">KeyValueTextInputFormat</A></B></CODE> |
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| 221 | |
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| 222 | <BR> |
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| 223 | An <A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred"><CODE>InputFormat</CODE></A> for plain text files.</TD> |
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| 224 | </TR> |
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| 225 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 226 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 227 | <CODE> class</CODE></FONT></TD> |
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| 228 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/MultiFileInputFormat.html" title="class in org.apache.hadoop.mapred">MultiFileInputFormat<K,V></A></B></CODE> |
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| 229 | |
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| 230 | <BR> |
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| 231 | <B>Deprecated.</B> <I>Use <A HREF="../../../../../org/apache/hadoop/mapred/lib/CombineFileInputFormat.html" title="class in org.apache.hadoop.mapred.lib"><CODE>CombineFileInputFormat</CODE></A> instead</I></TD> |
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| 232 | </TR> |
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| 233 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 234 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 235 | <CODE> class</CODE></FONT></TD> |
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| 236 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/SequenceFileAsBinaryInputFormat.html" title="class in org.apache.hadoop.mapred">SequenceFileAsBinaryInputFormat</A></B></CODE> |
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| 237 | |
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| 238 | <BR> |
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| 239 | InputFormat reading keys, values from SequenceFiles in binary (raw) |
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| 240 | format.</TD> |
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| 241 | </TR> |
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| 242 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 243 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 244 | <CODE> class</CODE></FONT></TD> |
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| 245 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/SequenceFileAsTextInputFormat.html" title="class in org.apache.hadoop.mapred">SequenceFileAsTextInputFormat</A></B></CODE> |
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| 246 | |
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| 247 | <BR> |
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| 248 | This class is similar to SequenceFileInputFormat, except it generates SequenceFileAsTextRecordReader |
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| 249 | which converts the input keys and values to their String forms by calling toString() method.</TD> |
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| 250 | </TR> |
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| 251 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 252 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 253 | <CODE> class</CODE></FONT></TD> |
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| 254 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/SequenceFileInputFilter.html" title="class in org.apache.hadoop.mapred">SequenceFileInputFilter<K,V></A></B></CODE> |
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| 255 | |
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| 256 | <BR> |
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| 257 | A class that allows a map/red job to work on a sample of sequence files.</TD> |
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| 258 | </TR> |
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| 259 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 260 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 261 | <CODE> class</CODE></FONT></TD> |
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| 262 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/SequenceFileInputFormat.html" title="class in org.apache.hadoop.mapred">SequenceFileInputFormat<K,V></A></B></CODE> |
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| 263 | |
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| 264 | <BR> |
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| 265 | <B>Deprecated.</B> <I>Use |
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| 266 | <A HREF="../../../../../org/apache/hadoop/mapreduce/lib/input/SequenceFileInputFormat.html" title="class in org.apache.hadoop.mapreduce.lib.input"><CODE>SequenceFileInputFormat</CODE></A> |
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| 267 | instead.</I></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> class</CODE></FONT></TD> |
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| 272 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/TextInputFormat.html" title="class in org.apache.hadoop.mapred">TextInputFormat</A></B></CODE> |
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| 273 | |
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| 274 | <BR> |
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| 275 | <B>Deprecated.</B> <I>Use <A HREF="../../../../../org/apache/hadoop/mapreduce/lib/input/TextInputFormat.html" title="class in org.apache.hadoop.mapreduce.lib.input"><CODE>TextInputFormat</CODE></A> |
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| 276 | instead.</I></TD> |
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| 277 | </TR> |
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| 278 | </TABLE> |
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| 279 | |
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| 280 | <P> |
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| 281 | <A NAME="org.apache.hadoop.mapred.lib"><!-- --></A> |
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| 282 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 283 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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| 284 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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| 285 | Uses of <A HREF="../../../../../org/apache/hadoop/mapred/FileInputFormat.html" title="class in org.apache.hadoop.mapred">FileInputFormat</A> in <A HREF="../../../../../org/apache/hadoop/mapred/lib/package-summary.html">org.apache.hadoop.mapred.lib</A></FONT></TH> |
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| 286 | </TR> |
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| 287 | </TABLE> |
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| 288 | |
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| 289 | <P> |
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| 290 | |
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| 291 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 292 | <TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"> |
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| 293 | <TH ALIGN="left" COLSPAN="2">Subclasses of <A HREF="../../../../../org/apache/hadoop/mapred/FileInputFormat.html" title="class in org.apache.hadoop.mapred">FileInputFormat</A> in <A HREF="../../../../../org/apache/hadoop/mapred/lib/package-summary.html">org.apache.hadoop.mapred.lib</A></FONT></TH> |
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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/CombineFileInputFormat.html" title="class in org.apache.hadoop.mapred.lib">CombineFileInputFormat<K,V></A></B></CODE> |
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| 299 | |
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| 300 | <BR> |
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| 301 | An abstract <A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred"><CODE>InputFormat</CODE></A> that returns <A HREF="../../../../../org/apache/hadoop/mapred/lib/CombineFileSplit.html" title="class in org.apache.hadoop.mapred.lib"><CODE>CombineFileSplit</CODE></A>'s |
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| 302 | in <A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html#getSplits(org.apache.hadoop.mapred.JobConf, int)"><CODE>InputFormat.getSplits(JobConf, int)</CODE></A> method.</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/NLineInputFormat.html" title="class in org.apache.hadoop.mapred.lib">NLineInputFormat</A></B></CODE> |
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| 308 | |
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| 309 | <BR> |
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| 310 | NLineInputFormat which splits N lines of input as one split.</TD> |
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| 311 | </TR> |
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| 312 | </TABLE> |
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| 313 | |
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| 314 | <P> |
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| 315 | <A NAME="org.apache.hadoop.streaming"><!-- --></A> |
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| 316 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 317 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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| 318 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
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| 319 | Uses of <A HREF="../../../../../org/apache/hadoop/mapred/FileInputFormat.html" title="class in org.apache.hadoop.mapred">FileInputFormat</A> in <A HREF="../../../../../org/apache/hadoop/streaming/package-summary.html">org.apache.hadoop.streaming</A></FONT></TH> |
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| 331 | <CODE> class</CODE></FONT></TD> |
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| 335 | An input format that selects a RecordReader based on a JobConf property.</TD> |
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