[ https://issues.apache.org/jira/browse/MAPREDUCE-5457?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13799860#comment-13799860 ]
Hudson commented on MAPREDUCE-5457: ----------------------------------- SUCCESS: Integrated in Hadoop-Yarn-trunk #367 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/367/]) MAPREDUCE-5457. Add a KeyOnlyTextOutputReader to enable streaming to write out text files without separators (Sandy Ryza) (sandy: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1533624) * /hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt * /hadoop/common/trunk/hadoop-tools/hadoop-streaming/src/main/java/org/apache/hadoop/streaming/io/IdentifierResolver.java * /hadoop/common/trunk/hadoop-tools/hadoop-streaming/src/main/java/org/apache/hadoop/streaming/io/KeyOnlyTextInputWriter.java * /hadoop/common/trunk/hadoop-tools/hadoop-streaming/src/main/java/org/apache/hadoop/streaming/io/KeyOnlyTextOutputReader.java * /hadoop/common/trunk/hadoop-tools/hadoop-streaming/src/main/java/org/apache/hadoop/streaming/io/TextInputWriter.java * /hadoop/common/trunk/hadoop-tools/hadoop-streaming/src/test/java/org/apache/hadoop/streaming/TestStreamingOutputOnlyKeys.java * /hadoop/common/trunk/hadoop-tools/hadoop-streaming/src/test/java/org/apache/hadoop/streaming/io * /hadoop/common/trunk/hadoop-tools/hadoop-streaming/src/test/java/org/apache/hadoop/streaming/io/TestKeyOnlyTextOutputReader.java > Add a KeyOnlyTextOutputReader to enable streaming to write out text files > without separators > -------------------------------------------------------------------------------------------- > > Key: MAPREDUCE-5457 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-5457 > Project: Hadoop Map/Reduce > Issue Type: Improvement > Reporter: Sandy Ryza > Assignee: Sandy Ryza > Fix For: 1.3.0, 2.2.1 > > Attachments: MAPREDUCE-5457-1.patch, MAPREDUCE-5457-2.patch, > MAPREDUCE-5457-3.patch, MAPREDUCE-5457-branch-1-1.patch, > MAPREDUCE-5457-branch-1-2.patch, MAPREDUCE-5457-branch-1.patch, > MAPREDUCE-5457.patch > > > MR jobs sometimes want to just output lines of text, not key/value pairs. > TextOutputFormat handles this by, if a null value is given, outputting only > the key with no separator. Streaming jobs are unable to take advantage of > this, because they can't output null values. A text output format reader > takes each line as a key and outputs NullWritables for values would allow > streaming jobs to output lines of text. -- This message was sent by Atlassian JIRA (v6.1#6144)