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7Uses of Class org.apache.hadoop.mapred.FileInputFormat (Hadoop 0.20.1 API)
8</TITLE>
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83<H2>
84<B>Uses of Class<br>org.apache.hadoop.mapred.FileInputFormat</B></H2>
85</CENTER>
86
87<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
88<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
89<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
90Packages that use <A HREF="../../../../../org/apache/hadoop/mapred/FileInputFormat.html" title="class in org.apache.hadoop.mapred">FileInputFormat</A></FONT></TH>
91</TR>
92<TR BGCOLOR="white" CLASS="TableRowColor">
93<TD><A HREF="#org.apache.hadoop.contrib.index.example"><B>org.apache.hadoop.contrib.index.example</B></A></TD>
94<TD>&nbsp;&nbsp;</TD>
95</TR>
96<TR BGCOLOR="white" CLASS="TableRowColor">
97<TD><A HREF="#org.apache.hadoop.examples"><B>org.apache.hadoop.examples</B></A></TD>
98<TD>Hadoop example code.&nbsp;</TD>
99</TR>
100<TR BGCOLOR="white" CLASS="TableRowColor">
101<TD><A HREF="#org.apache.hadoop.examples.terasort"><B>org.apache.hadoop.examples.terasort</B></A></TD>
102<TD>This package consists of 3 map/reduce applications for Hadoop to
103compete in the annual <a
104href="http://www.hpl.hp.com/hosted/sortbenchmark" target="_top">terabyte sort</a>
105competition.&nbsp;</TD>
106</TR>
107<TR BGCOLOR="white" CLASS="TableRowColor">
108<TD><A HREF="#org.apache.hadoop.mapred"><B>org.apache.hadoop.mapred</B></A></TD>
109<TD>A software framework for easily writing applications which process vast
110amounts of data (multi-terabyte data-sets) parallelly on large clusters
111(thousands of nodes) built of commodity hardware in a reliable, fault-tolerant
112manner.&nbsp;</TD>
113</TR>
114<TR BGCOLOR="white" CLASS="TableRowColor">
115<TD><A HREF="#org.apache.hadoop.mapred.lib"><B>org.apache.hadoop.mapred.lib</B></A></TD>
116<TD>Library of generally useful mappers, reducers, and partitioners.&nbsp;</TD>
117</TR>
118<TR BGCOLOR="white" CLASS="TableRowColor">
119<TD><A HREF="#org.apache.hadoop.streaming"><B>org.apache.hadoop.streaming</B></A></TD>
120<TD><tt>Hadoop Streaming</tt> is a utility which allows users to create and run
121Map-Reduce jobs with any executables (e.g.&nbsp;</TD>
122</TR>
123</TABLE>
124&nbsp;
125<P>
126<A NAME="org.apache.hadoop.contrib.index.example"><!-- --></A>
127<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
128<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
129<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
130Uses 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>
131</TR>
132</TABLE>
133&nbsp;
134<P>
135
136<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
137<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
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>
139</TR>
140<TR BGCOLOR="white" CLASS="TableRowColor">
141<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
142<CODE>&nbsp;class</CODE></FONT></TD>
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>
144
145<BR>
146&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;An InputFormat for LineDoc for plain text files where each line is a doc.</TD>
147</TR>
148</TABLE>
149&nbsp;
150<P>
151<A NAME="org.apache.hadoop.examples"><!-- --></A>
152<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
153<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
154<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
155Uses 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>
156</TR>
157</TABLE>
158&nbsp;
159<P>
160
161<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
162<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
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>
164</TR>
165<TR BGCOLOR="white" CLASS="TableRowColor">
166<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
167<CODE>static&nbsp;class</CODE></FONT></TD>
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>
169
170<BR>
171&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;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
172 (custom) <A HREF="../../../../../org/apache/hadoop/mapred/RecordReader.html" title="interface in org.apache.hadoop.mapred"><CODE>RecordReader</CODE></A>.</TD>
173</TR>
174</TABLE>
175&nbsp;
176<P>
177<A NAME="org.apache.hadoop.examples.terasort"><!-- --></A>
178<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
179<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
180<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
181Uses 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>
182</TR>
183</TABLE>
184&nbsp;
185<P>
186
187<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
188<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
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>
190</TR>
191<TR BGCOLOR="white" CLASS="TableRowColor">
192<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
193<CODE>&nbsp;class</CODE></FONT></TD>
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>
195
196<BR>
197&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;An input format that reads the first 10 characters of each line as the key
198 and the rest of the line as the value.</TD>
199</TR>
200</TABLE>
201&nbsp;
202<P>
203<A NAME="org.apache.hadoop.mapred"><!-- --></A>
204<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
205<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
206<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
207Uses 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>
208</TR>
209</TABLE>
210&nbsp;
211<P>
212
213<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
214<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
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>
216</TR>
217<TR BGCOLOR="white" CLASS="TableRowColor">
218<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
219<CODE>&nbsp;class</CODE></FONT></TD>
220<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/KeyValueTextInputFormat.html" title="class in org.apache.hadoop.mapred">KeyValueTextInputFormat</A></B></CODE>
221
222<BR>
223&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;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>
224</TR>
225<TR BGCOLOR="white" CLASS="TableRowColor">
226<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
227<CODE>&nbsp;class</CODE></FONT></TD>
228<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/MultiFileInputFormat.html" title="class in org.apache.hadoop.mapred">MultiFileInputFormat&lt;K,V&gt;</A></B></CODE>
229
230<BR>
231&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;<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>
232</TR>
233<TR BGCOLOR="white" CLASS="TableRowColor">
234<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
235<CODE>&nbsp;class</CODE></FONT></TD>
236<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/SequenceFileAsBinaryInputFormat.html" title="class in org.apache.hadoop.mapred">SequenceFileAsBinaryInputFormat</A></B></CODE>
237
238<BR>
239&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;InputFormat reading keys, values from SequenceFiles in binary (raw)
240 format.</TD>
241</TR>
242<TR BGCOLOR="white" CLASS="TableRowColor">
243<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
244<CODE>&nbsp;class</CODE></FONT></TD>
245<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/SequenceFileAsTextInputFormat.html" title="class in org.apache.hadoop.mapred">SequenceFileAsTextInputFormat</A></B></CODE>
246
247<BR>
248&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This class is similar to SequenceFileInputFormat, except it generates SequenceFileAsTextRecordReader
249 which converts the input keys and values to their String forms by calling toString() method.</TD>
250</TR>
251<TR BGCOLOR="white" CLASS="TableRowColor">
252<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
253<CODE>&nbsp;class</CODE></FONT></TD>
254<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/SequenceFileInputFilter.html" title="class in org.apache.hadoop.mapred">SequenceFileInputFilter&lt;K,V&gt;</A></B></CODE>
255
256<BR>
257&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;A class that allows a map/red job to work on a sample of sequence files.</TD>
258</TR>
259<TR BGCOLOR="white" CLASS="TableRowColor">
260<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
261<CODE>&nbsp;class</CODE></FONT></TD>
262<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/SequenceFileInputFormat.html" title="class in org.apache.hadoop.mapred">SequenceFileInputFormat&lt;K,V&gt;</A></B></CODE>
263
264<BR>
265&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;<I>Use
266  <A HREF="../../../../../org/apache/hadoop/mapreduce/lib/input/SequenceFileInputFormat.html" title="class in org.apache.hadoop.mapreduce.lib.input"><CODE>SequenceFileInputFormat</CODE></A> 
267  instead.</I></TD>
268</TR>
269<TR BGCOLOR="white" CLASS="TableRowColor">
270<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
271<CODE>&nbsp;class</CODE></FONT></TD>
272<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/TextInputFormat.html" title="class in org.apache.hadoop.mapred">TextInputFormat</A></B></CODE>
273
274<BR>
275&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;<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>
276  instead.</I></TD>
277</TR>
278</TABLE>
279&nbsp;
280<P>
281<A NAME="org.apache.hadoop.mapred.lib"><!-- --></A>
282<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
283<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
284<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
285Uses 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>
286</TR>
287</TABLE>
288&nbsp;
289<P>
290
291<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
292<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
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>
294</TR>
295<TR BGCOLOR="white" CLASS="TableRowColor">
296<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
297<CODE>&nbsp;class</CODE></FONT></TD>
298<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/CombineFileInputFormat.html" title="class in org.apache.hadoop.mapred.lib">CombineFileInputFormat&lt;K,V&gt;</A></B></CODE>
299
300<BR>
301&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;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
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>
303</TR>
304<TR BGCOLOR="white" CLASS="TableRowColor">
305<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
306<CODE>&nbsp;class</CODE></FONT></TD>
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>
308
309<BR>
310&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;NLineInputFormat which splits N lines of input as one split.</TD>
311</TR>
312</TABLE>
313&nbsp;
314<P>
315<A NAME="org.apache.hadoop.streaming"><!-- --></A>
316<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
317<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
318<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
319Uses 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>
320</TR>
321</TABLE>
322&nbsp;
323<P>
324
325<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
326<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
327<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/streaming/package-summary.html">org.apache.hadoop.streaming</A></FONT></TH>
328</TR>
329<TR BGCOLOR="white" CLASS="TableRowColor">
330<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
331<CODE>&nbsp;class</CODE></FONT></TD>
332<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/streaming/StreamInputFormat.html" title="class in org.apache.hadoop.streaming">StreamInputFormat</A></B></CODE>
333
334<BR>
335&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;An input format that selects a RecordReader based on a JobConf property.</TD>
336</TR>
337</TABLE>
338&nbsp;
339<P>
340<HR>
341
342
343<!-- ======= START OF BOTTOM NAVBAR ====== -->
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349<A NAME="navbar_bottom_firstrow"><!-- --></A>
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351  <TR ALIGN="center" VALIGN="top">
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