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7Uses of Class org.apache.hadoop.fs.BlockLocation (Hadoop 0.20.1 API)
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83<H2>
84<B>Uses of Class<br>org.apache.hadoop.fs.BlockLocation</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/fs/BlockLocation.html" title="class in org.apache.hadoop.fs">BlockLocation</A></FONT></TH>
91</TR>
92<TR BGCOLOR="white" CLASS="TableRowColor">
93<TD><A HREF="#org.apache.hadoop.fs"><B>org.apache.hadoop.fs</B></A></TD>
94<TD>An abstract file system API.&nbsp;</TD>
95</TR>
96<TR BGCOLOR="white" CLASS="TableRowColor">
97<TD><A HREF="#org.apache.hadoop.fs.kfs"><B>org.apache.hadoop.fs.kfs</B></A></TD>
98<TD>A client for the Kosmos filesystem (KFS)&nbsp;</TD>
99</TR>
100<TR BGCOLOR="white" CLASS="TableRowColor">
101<TD><A HREF="#org.apache.hadoop.mapred"><B>org.apache.hadoop.mapred</B></A></TD>
102<TD>A software framework for easily writing applications which process vast
103amounts of data (multi-terabyte data-sets) parallelly on large clusters
104(thousands of nodes) built of commodity hardware in a reliable, fault-tolerant
105manner.&nbsp;</TD>
106</TR>
107<TR BGCOLOR="white" CLASS="TableRowColor">
108<TD><A HREF="#org.apache.hadoop.mapreduce.lib.input"><B>org.apache.hadoop.mapreduce.lib.input</B></A></TD>
109<TD>&nbsp;&nbsp;</TD>
110</TR>
111</TABLE>
112&nbsp;
113<P>
114<A NAME="org.apache.hadoop.fs"><!-- --></A>
115<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
116<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
117<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
118Uses of <A HREF="../../../../../org/apache/hadoop/fs/BlockLocation.html" title="class in org.apache.hadoop.fs">BlockLocation</A> in <A HREF="../../../../../org/apache/hadoop/fs/package-summary.html">org.apache.hadoop.fs</A></FONT></TH>
119</TR>
120</TABLE>
121&nbsp;
122<P>
123
124<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
125<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
126<TH ALIGN="left" COLSPAN="2">Methods in <A HREF="../../../../../org/apache/hadoop/fs/package-summary.html">org.apache.hadoop.fs</A> that return <A HREF="../../../../../org/apache/hadoop/fs/BlockLocation.html" title="class in org.apache.hadoop.fs">BlockLocation</A></FONT></TH>
127</TR>
128<TR BGCOLOR="white" CLASS="TableRowColor">
129<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
130<CODE>&nbsp;<A HREF="../../../../../org/apache/hadoop/fs/BlockLocation.html" title="class in org.apache.hadoop.fs">BlockLocation</A>[]</CODE></FONT></TD>
131<TD><CODE><B>HarFileSystem.</B><B><A HREF="../../../../../org/apache/hadoop/fs/HarFileSystem.html#getFileBlockLocations(org.apache.hadoop.fs.FileStatus, long, long)">getFileBlockLocations</A></B>(<A HREF="../../../../../org/apache/hadoop/fs/FileStatus.html" title="class in org.apache.hadoop.fs">FileStatus</A>&nbsp;file,
132                      long&nbsp;start,
133                      long&nbsp;len)</CODE>
134
135<BR>
136&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;get block locations from the underlying fs</TD>
137</TR>
138<TR BGCOLOR="white" CLASS="TableRowColor">
139<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
140<CODE>&nbsp;<A HREF="../../../../../org/apache/hadoop/fs/BlockLocation.html" title="class in org.apache.hadoop.fs">BlockLocation</A>[]</CODE></FONT></TD>
141<TD><CODE><B>FilterFileSystem.</B><B><A HREF="../../../../../org/apache/hadoop/fs/FilterFileSystem.html#getFileBlockLocations(org.apache.hadoop.fs.FileStatus, long, long)">getFileBlockLocations</A></B>(<A HREF="../../../../../org/apache/hadoop/fs/FileStatus.html" title="class in org.apache.hadoop.fs">FileStatus</A>&nbsp;file,
142                      long&nbsp;start,
143                      long&nbsp;len)</CODE>
144
145<BR>
146&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
147</TR>
148<TR BGCOLOR="white" CLASS="TableRowColor">
149<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
150<CODE>&nbsp;<A HREF="../../../../../org/apache/hadoop/fs/BlockLocation.html" title="class in org.apache.hadoop.fs">BlockLocation</A>[]</CODE></FONT></TD>
151<TD><CODE><B>FileSystem.</B><B><A HREF="../../../../../org/apache/hadoop/fs/FileSystem.html#getFileBlockLocations(org.apache.hadoop.fs.FileStatus, long, long)">getFileBlockLocations</A></B>(<A HREF="../../../../../org/apache/hadoop/fs/FileStatus.html" title="class in org.apache.hadoop.fs">FileStatus</A>&nbsp;file,
152                      long&nbsp;start,
153                      long&nbsp;len)</CODE>
154
155<BR>
156&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return an array containing hostnames, offset and size of
157 portions of the given file.</TD>
158</TR>
159</TABLE>
160&nbsp;
161<P>
162<A NAME="org.apache.hadoop.fs.kfs"><!-- --></A>
163<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
164<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
165<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
166Uses of <A HREF="../../../../../org/apache/hadoop/fs/BlockLocation.html" title="class in org.apache.hadoop.fs">BlockLocation</A> in <A HREF="../../../../../org/apache/hadoop/fs/kfs/package-summary.html">org.apache.hadoop.fs.kfs</A></FONT></TH>
167</TR>
168</TABLE>
169&nbsp;
170<P>
171
172<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
173<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
174<TH ALIGN="left" COLSPAN="2">Methods in <A HREF="../../../../../org/apache/hadoop/fs/kfs/package-summary.html">org.apache.hadoop.fs.kfs</A> that return <A HREF="../../../../../org/apache/hadoop/fs/BlockLocation.html" title="class in org.apache.hadoop.fs">BlockLocation</A></FONT></TH>
175</TR>
176<TR BGCOLOR="white" CLASS="TableRowColor">
177<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
178<CODE>&nbsp;<A HREF="../../../../../org/apache/hadoop/fs/BlockLocation.html" title="class in org.apache.hadoop.fs">BlockLocation</A>[]</CODE></FONT></TD>
179<TD><CODE><B>KosmosFileSystem.</B><B><A HREF="../../../../../org/apache/hadoop/fs/kfs/KosmosFileSystem.html#getFileBlockLocations(org.apache.hadoop.fs.FileStatus, long, long)">getFileBlockLocations</A></B>(<A HREF="../../../../../org/apache/hadoop/fs/FileStatus.html" title="class in org.apache.hadoop.fs">FileStatus</A>&nbsp;file,
180                      long&nbsp;start,
181                      long&nbsp;len)</CODE>
182
183<BR>
184&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return null if the file doesn't exist; otherwise, get the
185 locations of the various chunks of the file file from KFS.</TD>
186</TR>
187</TABLE>
188&nbsp;
189<P>
190<A NAME="org.apache.hadoop.mapred"><!-- --></A>
191<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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193<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
194Uses of <A HREF="../../../../../org/apache/hadoop/fs/BlockLocation.html" title="class in org.apache.hadoop.fs">BlockLocation</A> in <A HREF="../../../../../org/apache/hadoop/mapred/package-summary.html">org.apache.hadoop.mapred</A></FONT></TH>
195</TR>
196</TABLE>
197&nbsp;
198<P>
199
200<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
201<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
202<TH ALIGN="left" COLSPAN="2">Methods in <A HREF="../../../../../org/apache/hadoop/mapred/package-summary.html">org.apache.hadoop.mapred</A> with parameters of type <A HREF="../../../../../org/apache/hadoop/fs/BlockLocation.html" title="class in org.apache.hadoop.fs">BlockLocation</A></FONT></TH>
203</TR>
204<TR BGCOLOR="white" CLASS="TableRowColor">
205<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
206<CODE>protected &nbsp;int</CODE></FONT></TD>
207<TD><CODE><B>FileInputFormat.</B><B><A HREF="../../../../../org/apache/hadoop/mapred/FileInputFormat.html#getBlockIndex(org.apache.hadoop.fs.BlockLocation[], long)">getBlockIndex</A></B>(<A HREF="../../../../../org/apache/hadoop/fs/BlockLocation.html" title="class in org.apache.hadoop.fs">BlockLocation</A>[]&nbsp;blkLocations,
208              long&nbsp;offset)</CODE>
209
210<BR>
211&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;&nbsp;</TD>
212</TR>
213<TR BGCOLOR="white" CLASS="TableRowColor">
214<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
215<CODE>protected &nbsp;<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>
216<TD><CODE><B>FileInputFormat.</B><B><A HREF="../../../../../org/apache/hadoop/mapred/FileInputFormat.html#getSplitHosts(org.apache.hadoop.fs.BlockLocation[], long, long, org.apache.hadoop.net.NetworkTopology)">getSplitHosts</A></B>(<A HREF="../../../../../org/apache/hadoop/fs/BlockLocation.html" title="class in org.apache.hadoop.fs">BlockLocation</A>[]&nbsp;blkLocations,
217              long&nbsp;offset,
218              long&nbsp;splitSize,
219              <A HREF="../../../../../org/apache/hadoop/net/NetworkTopology.html" title="class in org.apache.hadoop.net">NetworkTopology</A>&nbsp;clusterMap)</CODE>
220
221<BR>
222&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;This function identifies and returns the hosts that contribute
223 most for a given split.</TD>
224</TR>
225</TABLE>
226&nbsp;
227<P>
228<A NAME="org.apache.hadoop.mapreduce.lib.input"><!-- --></A>
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231<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
232Uses of <A HREF="../../../../../org/apache/hadoop/fs/BlockLocation.html" title="class in org.apache.hadoop.fs">BlockLocation</A> in <A HREF="../../../../../org/apache/hadoop/mapreduce/lib/input/package-summary.html">org.apache.hadoop.mapreduce.lib.input</A></FONT></TH>
233</TR>
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237
238<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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240<TH ALIGN="left" COLSPAN="2">Methods in <A HREF="../../../../../org/apache/hadoop/mapreduce/lib/input/package-summary.html">org.apache.hadoop.mapreduce.lib.input</A> with parameters of type <A HREF="../../../../../org/apache/hadoop/fs/BlockLocation.html" title="class in org.apache.hadoop.fs">BlockLocation</A></FONT></TH>
241</TR>
242<TR BGCOLOR="white" CLASS="TableRowColor">
243<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
244<CODE>protected &nbsp;int</CODE></FONT></TD>
245<TD><CODE><B>FileInputFormat.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/lib/input/FileInputFormat.html#getBlockIndex(org.apache.hadoop.fs.BlockLocation[], long)">getBlockIndex</A></B>(<A HREF="../../../../../org/apache/hadoop/fs/BlockLocation.html" title="class in org.apache.hadoop.fs">BlockLocation</A>[]&nbsp;blkLocations,
246              long&nbsp;offset)</CODE>
247
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