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Subject: svn commit: r648767 [1/3] - in
 /hadoop/core/branches/branch-0.17/docs: ./
 skin/images/
Date: Wed, 16 Apr 2008 17:37:32 -0000
To: core-commits@hadoop.apache.org
From: acmurthy@apache.org
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Author: acmurthy
Date: Wed Apr 16 10:37:17 2008
New Revision: 648767

URL: http://svn.apache.org/viewvc?rev=648767&view=rev
Log:
HADOOP-3162 related documentation changes to branch-0.17

Modified:
    hadoop/core/branches/branch-0.17/docs/changes.html
    hadoop/core/branches/branch-0.17/docs/mapred_tutorial.html
    hadoop/core/branches/branch-0.17/docs/mapred_tutorial.pdf
    hadoop/core/branches/branch-0.17/docs/skin/images/rc-b-l-15-1body-2menu-3menu.png
    hadoop/core/branches/branch-0.17/docs/skin/images/rc-b-r-15-1body-2menu-3menu.png
    hadoop/core/branches/branch-0.17/docs/skin/images/rc-b-r-5-1header-2tab-selected-3tab-selected.png
    hadoop/core/branches/branch-0.17/docs/skin/images/rc-t-l-5-1header-2searchbox-3searchbox.png
    hadoop/core/branches/branch-0.17/docs/skin/images/rc-t-l-5-1header-2tab-selected-3tab-selected.png
    hadoop/core/branches/branch-0.17/docs/skin/images/rc-t-l-5-1header-2tab-unselected-3tab-unselected.png
    hadoop/core/branches/branch-0.17/docs/skin/images/rc-t-r-15-1body-2menu-3menu.png
    hadoop/core/branches/branch-0.17/docs/skin/images/rc-t-r-5-1header-2searchbox-3searchbox.png
    hadoop/core/branches/branch-0.17/docs/skin/images/rc-t-r-5-1header-2tab-selected-3tab-selected.png
    hadoop/core/branches/branch-0.17/docs/skin/images/rc-t-r-5-1header-2tab-unselected-3tab-unselected.png

Modified: hadoop/core/branches/branch-0.17/docs/changes.html
URL: http://svn.apache.org/viewvc/hadoop/core/branches/branch-0.17/docs/changes.html?rev=648767&r1=648766&r2=648767&view=diff
==============================================================================
--- hadoop/core/branches/branch-0.17/docs/changes.html (original)
+++ hadoop/core/branches/branch-0.17/docs/changes.html Wed Apr 16 10:37:17 2008
@@ -56,7 +56,7 @@
 </a></h2>
 <ul id="release_0.17.0_-_unreleased_">
   <li><a href="javascript:toggleList('release_0.17.0_-_unreleased_._incompatible_changes_')">  INCOMPATIBLE CHANGES
-</a>&nbsp;&nbsp;&nbsp;(23)
+</a>&nbsp;&nbsp;&nbsp;(24)
     <ol id="release_0.17.0_-_unreleased_._incompatible_changes_">
       <li><a href="http://issues.apache.org/jira/browse/HADOOP-2786">HADOOP-2786</a>.  Move hbase out of hadoop core
 </li>
@@ -103,6 +103,8 @@
 availability zone as the cluster.  Ganglia monitoring and large
 instance sizes have also been added.<br />(Chris K Wensel via tomwhite)</li>
       <li><a href="http://issues.apache.org/jira/browse/HADOOP-2826">HADOOP-2826</a>. Deprecated FileSplit.getFile(), LineRecordReader.readLine().<br />(Amareshwari Sriramadasu via ddas)</li>
+      <li><a href="http://issues.apache.org/jira/browse/HADOOP-3239">HADOOP-3239</a>. getFileInfo() returns null for non-existing files instead
+of throwing FileNotFoundException.<br />(Lohit Vijayarenu via shv)</li>
     </ol>
   </li>
   <li><a href="javascript:toggleList('release_0.17.0_-_unreleased_._new_features_')">  NEW FEATURES
@@ -232,7 +234,7 @@
     </ol>
   </li>
   <li><a href="javascript:toggleList('release_0.17.0_-_unreleased_._bug_fixes_')">  BUG FIXES
-</a>&nbsp;&nbsp;&nbsp;(93)
+</a>&nbsp;&nbsp;&nbsp;(99)
     <ol id="release_0.17.0_-_unreleased_._bug_fixes_">
       <li><a href="http://issues.apache.org/jira/browse/HADOOP-2195">HADOOP-2195</a>. '-mkdir' behaviour is now closer to Linux shell in case of
 errors.<br />(Mahadev Konar via rangadi)</li>
@@ -400,6 +402,18 @@
       <li><a href="http://issues.apache.org/jira/browse/HADOOP-1373">HADOOP-1373</a>. checkPath() should ignore case when it compares authoriy.<br />(Edward J. Yoon via rangadi)</li>
       <li><a href="http://issues.apache.org/jira/browse/HADOOP-3204">HADOOP-3204</a>. Fixes a problem to do with ReduceTask's LocalFSMerger not
 catching Throwable.<br />(Amar Ramesh Kamat via ddas)</li>
+      <li><a href="http://issues.apache.org/jira/browse/HADOOP-3229">HADOOP-3229</a>. Report progress when collecting records from the mapper and
+the combiner.<br />(Doug Cutting via cdouglas)</li>
+      <li><a href="http://issues.apache.org/jira/browse/HADOOP-3225">HADOOP-3225</a>. Unwrapping methods of RemoteException should initialize
+detailedMassage field.<br />(Mahadev Konar, shv, cdouglas)</li>
+      <li><a href="http://issues.apache.org/jira/browse/HADOOP-3247">HADOOP-3247</a>. Fix gridmix scripts to use the correct globbing syntax and
+change maxentToSameCluster to run the correct number of jobs.<br />(Runping Qi via cdouglas)</li>
+      <li><a href="http://issues.apache.org/jira/browse/HADOOP-3242">HADOOP-3242</a>. Fix the RecordReader of SequenceFileAsBinaryInputFormat to
+correctly read from the start of the split and not the beginning of the
+file.<br />(cdouglas via acmurthy)</li>
+      <li><a href="http://issues.apache.org/jira/browse/HADOOP-3256">HADOOP-3256</a>. Encodes the job name used in the filename for history files.<br />(Arun Murthy via ddas)</li>
+      <li><a href="http://issues.apache.org/jira/browse/HADOOP-3162">HADOOP-3162</a>. Ensure that comma-separated input paths are treated correctly
+as multiple input paths.<br />(Amareshwari Sri Ramadasu via acmurthy)</li>
     </ol>
   </li>
 </ul>

Modified: hadoop/core/branches/branch-0.17/docs/mapred_tutorial.html
URL: http://svn.apache.org/viewvc/hadoop/core/branches/branch-0.17/docs/mapred_tutorial.html?rev=648767&r1=648766&r2=648767&view=diff
==============================================================================
--- hadoop/core/branches/branch-0.17/docs/mapred_tutorial.html (original)
+++ hadoop/core/branches/branch-0.17/docs/mapred_tutorial.html Wed Apr 16 10:37:17 2008
@@ -292,7 +292,7 @@
 <a href="#Example%3A+WordCount+v2.0">Example: WordCount v2.0</a>
 <ul class="minitoc">
 <li>
-<a href="#Source+Code-N10C76">Source Code</a>
+<a href="#Source+Code-N10C7E">Source Code</a>
 </li>
 <li>
 <a href="#Sample+Runs">Sample Runs</a>
@@ -944,7 +944,7 @@
 <td colspan="1" rowspan="1">52.</td>
             <td colspan="1" rowspan="1">
               &nbsp;&nbsp;&nbsp;&nbsp;
-              <span class="codefrag">conf.setInputPath(new Path(args[0]));</span>
+              <span class="codefrag">FileInputFormat.setInputPaths(conf, new Path(args[0]));</span>
             </td>
           
 </tr>
@@ -1466,7 +1466,10 @@
         <span class="codefrag">Reducer</span>, <span class="codefrag">InputFormat</span> and 
         <span class="codefrag">OutputFormat</span> implementations. <span class="codefrag">JobConf</span> also 
         indicates the set of input files 
-        (<a href="api/org/apache/hadoop/mapred/JobConf.html#setInputPath(org.apache.hadoop.fs.Path)">setInputPath(Path)</a>/<a href="api/org/apache/hadoop/mapred/JobConf.html#addInputPath(org.apache.hadoop.fs.Path)">addInputPath(Path)</a>)
+        (<a href="api/org/apache/hadoop/mapred/FileInputFormat.html#setInputPaths(org.apache.hadoop.mapred.JobConf,%20org.apache.hadoop.fs.Path[])">setInputPaths(JobConf, Path...)</a>
+        /<a href="api/org/apache/hadoop/mapred/FileInputFormat.html#addInputPath(org.apache.hadoop.mapred.JobConf,%20org.apache.hadoop.fs.Path)">addInputPath(JobConf, Path)</a>)
+        and (<a href="api/org/apache/hadoop/mapred/FileInputFormat.html#setInputPaths(org.apache.hadoop.mapred.JobConf,%20java.lang.String)">setInputPaths(JobConf, String)</a>
+        /<a href="api/org/apache/hadoop/mapred/FileInputFormat.html#addInputPath(org.apache.hadoop.mapred.JobConf,%20java.lang.String)">addInputPaths(JobConf, String)</a>)
         and where the output files should be written
         (<a href="api/org/apache/hadoop/mapred/FileInputFormat.html#setOutputPath(org.apache.hadoop.mapred.JobConf,%20org.apache.hadoop.fs.Path)">setOutputPath(Path)</a>).</p>
 <p>Optionally, <span class="codefrag">JobConf</span> is used to specify other advanced 
@@ -1486,7 +1489,7 @@
         <a href="api/org/apache/hadoop/conf/Configuration.html#set(java.lang.String, java.lang.String)">set(String, String)</a>/<a href="api/org/apache/hadoop/conf/Configuration.html#get(java.lang.String, java.lang.String)">get(String, String)</a>
         to set/get arbitrary parameters needed by applications. However, use the 
         <span class="codefrag">DistributedCache</span> for large amounts of (read-only) data.</p>
-<a name="N10844"></a><a name="Task+Execution+%26+Environment"></a>
+<a name="N1084C"></a><a name="Task+Execution+%26+Environment"></a>
 <h3 class="h4">Task Execution &amp; Environment</h3>
 <p>The <span class="codefrag">TaskTracker</span> executes the <span class="codefrag">Mapper</span>/ 
         <span class="codefrag">Reducer</span>  <em>task</em> as a child process in a separate jvm.
@@ -1582,7 +1585,7 @@
         loaded via <a href="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/System.html#loadLibrary(java.lang.String)">
         System.loadLibrary</a> or <a href="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/System.html#load(java.lang.String)">
         System.load</a>.</p>
-<a name="N108EA"></a><a name="Job+Submission+and+Monitoring"></a>
+<a name="N108F2"></a><a name="Job+Submission+and+Monitoring"></a>
 <h3 class="h4">Job Submission and Monitoring</h3>
 <p>
 <a href="api/org/apache/hadoop/mapred/JobClient.html">
@@ -1643,7 +1646,7 @@
 <p>Normally the user creates the application, describes various facets 
         of the job via <span class="codefrag">JobConf</span>, and then uses the 
         <span class="codefrag">JobClient</span> to submit the job and monitor its progress.</p>
-<a name="N1094A"></a><a name="Job+Control"></a>
+<a name="N10952"></a><a name="Job+Control"></a>
 <h4>Job Control</h4>
 <p>Users may need to chain map-reduce jobs to accomplish complex
           tasks which cannot be done via a single map-reduce job. This is fairly
@@ -1679,7 +1682,7 @@
             </li>
           
 </ul>
-<a name="N10974"></a><a name="Job+Input"></a>
+<a name="N1097C"></a><a name="Job+Input"></a>
 <h3 class="h4">Job Input</h3>
 <p>
 <a href="api/org/apache/hadoop/mapred/InputFormat.html">
@@ -1727,7 +1730,7 @@
         appropriate <span class="codefrag">CompressionCodec</span>. However, it must be noted that
         compressed files with the above extensions cannot be <em>split</em> and 
         each compressed file is processed in its entirety by a single mapper.</p>
-<a name="N109DE"></a><a name="InputSplit"></a>
+<a name="N109E6"></a><a name="InputSplit"></a>
 <h4>InputSplit</h4>
 <p>
 <a href="api/org/apache/hadoop/mapred/InputSplit.html">
@@ -1741,7 +1744,7 @@
           FileSplit</a> is the default <span class="codefrag">InputSplit</span>. It sets 
           <span class="codefrag">map.input.file</span> to the path of the input file for the
           logical split.</p>
-<a name="N10A03"></a><a name="RecordReader"></a>
+<a name="N10A0B"></a><a name="RecordReader"></a>
 <h4>RecordReader</h4>
 <p>
 <a href="api/org/apache/hadoop/mapred/RecordReader.html">
@@ -1753,7 +1756,7 @@
           for processing. <span class="codefrag">RecordReader</span> thus assumes the 
           responsibility of processing record boundaries and presents the tasks 
           with keys and values.</p>
-<a name="N10A26"></a><a name="Job+Output"></a>
+<a name="N10A2E"></a><a name="Job+Output"></a>
 <h3 class="h4">Job Output</h3>
 <p>
 <a href="api/org/apache/hadoop/mapred/OutputFormat.html">
@@ -1778,7 +1781,7 @@
 <p>
 <span class="codefrag">TextOutputFormat</span> is the default 
         <span class="codefrag">OutputFormat</span>.</p>
-<a name="N10A4F"></a><a name="Task+Side-Effect+Files"></a>
+<a name="N10A57"></a><a name="Task+Side-Effect+Files"></a>
 <h4>Task Side-Effect Files</h4>
 <p>In some applications, component tasks need to create and/or write to
           side-files, which differ from the actual job-output files.</p>
@@ -1817,7 +1820,7 @@
 <p>The entire discussion holds true for maps of jobs with 
            reducer=NONE (i.e. 0 reduces) since output of the map, in that case, 
            goes directly to HDFS.</p>
-<a name="N10A97"></a><a name="RecordWriter"></a>
+<a name="N10A9F"></a><a name="RecordWriter"></a>
 <h4>RecordWriter</h4>
 <p>
 <a href="api/org/apache/hadoop/mapred/RecordWriter.html">
@@ -1825,9 +1828,9 @@
           pairs to an output file.</p>
 <p>RecordWriter implementations write the job outputs to the 
           <span class="codefrag">FileSystem</span>.</p>
-<a name="N10AAE"></a><a name="Other+Useful+Features"></a>
+<a name="N10AB6"></a><a name="Other+Useful+Features"></a>
 <h3 class="h4">Other Useful Features</h3>
-<a name="N10AB4"></a><a name="Counters"></a>
+<a name="N10ABC"></a><a name="Counters"></a>
 <h4>Counters</h4>
 <p>
 <span class="codefrag">Counters</span> represent global counters, defined either by 
@@ -1841,7 +1844,7 @@
           Reporter.incrCounter(Enum, long)</a> in the <span class="codefrag">map</span> and/or 
           <span class="codefrag">reduce</span> methods. These counters are then globally 
           aggregated by the framework.</p>
-<a name="N10ADF"></a><a name="DistributedCache"></a>
+<a name="N10AE7"></a><a name="DistributedCache"></a>
 <h4>DistributedCache</h4>
 <p>
 <a href="api/org/apache/hadoop/filecache/DistributedCache.html">
@@ -1874,7 +1877,7 @@
           <a href="api/org/apache/hadoop/filecache/DistributedCache.html#createSymlink(org.apache.hadoop.conf.Configuration)">
           DistributedCache.createSymlink(Configuration)</a> api. Files 
           have <em>execution permissions</em> set.</p>
-<a name="N10B1D"></a><a name="Tool"></a>
+<a name="N10B25"></a><a name="Tool"></a>
 <h4>Tool</h4>
 <p>The <a href="api/org/apache/hadoop/util/Tool.html">Tool</a> 
           interface supports the handling of generic Hadoop command-line options.
@@ -1914,7 +1917,7 @@
             </span>
           
 </p>
-<a name="N10B4F"></a><a name="IsolationRunner"></a>
+<a name="N10B57"></a><a name="IsolationRunner"></a>
 <h4>IsolationRunner</h4>
 <p>
 <a href="api/org/apache/hadoop/mapred/IsolationRunner.html">
@@ -1938,7 +1941,7 @@
 <p>
 <span class="codefrag">IsolationRunner</span> will run the failed task in a single 
           jvm, which can be in the debugger, over precisely the same input.</p>
-<a name="N10B82"></a><a name="Debugging"></a>
+<a name="N10B8A"></a><a name="Debugging"></a>
 <h4>Debugging</h4>
 <p>Map/Reduce framework provides a facility to run user-provided 
           scripts for debugging. When map/reduce task fails, user can run 
@@ -1949,7 +1952,7 @@
 <p> In the following sections we discuss how to submit debug script
           along with the job. For submitting debug script, first it has to
           distributed. Then the script has to supplied in Configuration. </p>
-<a name="N10B8E"></a><a name="How+to+distribute+script+file%3A"></a>
+<a name="N10B96"></a><a name="How+to+distribute+script+file%3A"></a>
 <h5> How to distribute script file: </h5>
 <p>
           To distribute  the debug script file, first copy the file to the dfs.
@@ -1972,7 +1975,7 @@
           <a href="api/org/apache/hadoop/filecache/DistributedCache.html#createSymlink(org.apache.hadoop.conf.Configuration)">
           DistributedCache.createSymLink(Configuration) </a> api.
           </p>
-<a name="N10BA7"></a><a name="How+to+submit+script%3A"></a>
+<a name="N10BAF"></a><a name="How+to+submit+script%3A"></a>
 <h5> How to submit script: </h5>
 <p> A quick way to submit debug script is to set values for the 
           properties "mapred.map.task.debug.script" and 
@@ -1996,17 +1999,17 @@
 <span class="codefrag">$script $stdout $stderr $syslog $jobconf $program </span>  
           
 </p>
-<a name="N10BC9"></a><a name="Default+Behavior%3A"></a>
+<a name="N10BD1"></a><a name="Default+Behavior%3A"></a>
 <h5> Default Behavior: </h5>
 <p> For pipes, a default script is run to process core dumps under
           gdb, prints stack trace and gives info about running threads. </p>
-<a name="N10BD4"></a><a name="JobControl"></a>
+<a name="N10BDC"></a><a name="JobControl"></a>
 <h4>JobControl</h4>
 <p>
 <a href="api/org/apache/hadoop/mapred/jobcontrol/package-summary.html">
           JobControl</a> is a utility which encapsulates a set of Map-Reduce jobs
           and their dependencies.</p>
-<a name="N10BE1"></a><a name="Data+Compression"></a>
+<a name="N10BE9"></a><a name="Data+Compression"></a>
 <h4>Data Compression</h4>
 <p>Hadoop Map-Reduce provides facilities for the application-writer to
           specify compression for both intermediate map-outputs and the
@@ -2020,7 +2023,7 @@
           codecs for reasons of both performance (zlib) and non-availability of
           Java libraries (lzo). More details on their usage and availability are
           available <a href="native_libraries.html">here</a>.</p>
-<a name="N10C01"></a><a name="Intermediate+Outputs"></a>
+<a name="N10C09"></a><a name="Intermediate+Outputs"></a>
 <h5>Intermediate Outputs</h5>
 <p>Applications can control compression of intermediate map-outputs
             via the 
@@ -2041,7 +2044,7 @@
             <a href="api/org/apache/hadoop/mapred/JobConf.html#setMapOutputCompressionType(org.apache.hadoop.io.SequenceFile.CompressionType)">
             JobConf.setMapOutputCompressionType(SequenceFile.CompressionType)</a> 
             api.</p>
-<a name="N10C2D"></a><a name="Job+Outputs"></a>
+<a name="N10C35"></a><a name="Job+Outputs"></a>
 <h5>Job Outputs</h5>
 <p>Applications can control compression of job-outputs via the
             <a href="api/org/apache/hadoop/mapred/OutputFormatBase.html#setCompressOutput(org.apache.hadoop.mapred.JobConf,%20boolean)">
@@ -2061,7 +2064,7 @@
 </div>
 
     
-<a name="N10C5C"></a><a name="Example%3A+WordCount+v2.0"></a>
+<a name="N10C64"></a><a name="Example%3A+WordCount+v2.0"></a>
 <h2 class="h3">Example: WordCount v2.0</h2>
 <div class="section">
 <p>Here is a more complete <span class="codefrag">WordCount</span> which uses many of the
@@ -2071,7 +2074,7 @@
       <a href="quickstart.html#SingleNodeSetup">pseudo-distributed</a> or
       <a href="quickstart.html#Fully-Distributed+Operation">fully-distributed</a> 
       Hadoop installation.</p>
-<a name="N10C76"></a><a name="Source+Code-N10C76"></a>
+<a name="N10C7E"></a><a name="Source+Code-N10C7E"></a>
 <h3 class="h4">Source Code</h3>
 <table class="ForrestTable" cellspacing="1" cellpadding="4">
           
@@ -3160,7 +3163,7 @@
 <td colspan="1" rowspan="1">111.</td>
             <td colspan="1" rowspan="1">
               &nbsp;&nbsp;&nbsp;&nbsp;
-              <span class="codefrag">conf.setInputPath(new Path(other_args.get(0)));</span>
+              <span class="codefrag">FileInputFormat.setInputPaths(conf, new Path(other_args.get(0)));</span>
             </td>
           
 </tr>
@@ -3281,7 +3284,7 @@
 </tr>
         
 </table>
-<a name="N113D8"></a><a name="Sample+Runs"></a>
+<a name="N113E0"></a><a name="Sample+Runs"></a>
 <h3 class="h4">Sample Runs</h3>
 <p>Sample text-files as input:</p>
 <p>
@@ -3449,7 +3452,7 @@
 <br>
         
 </p>
-<a name="N114AC"></a><a name="Highlights"></a>
+<a name="N114B4"></a><a name="Highlights"></a>
 <h3 class="h4">Highlights</h3>
 <p>The second version of <span class="codefrag">WordCount</span> improves upon the 
         previous one by using some features offered by the Map-Reduce framework: