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Hadoop QA commented on MAPREDUCE-5457: -------------------------------------- {color:green}+1 overall{color}. Here are the results of testing the latest attachment http://issues.apache.org/jira/secure/attachment/12608404/MAPREDUCE-5457-3.patch against trunk revision . {color:green}+1 @author{color}. The patch does not contain any @author tags. {color:green}+1 tests included{color}. The patch appears to include 2 new or modified test files. {color:green}+1 javac{color}. The applied patch does not increase the total number of javac compiler warnings. {color:green}+1 javadoc{color}. The javadoc tool did not generate any warning messages. {color:green}+1 eclipse:eclipse{color}. The patch built with eclipse:eclipse. {color:green}+1 findbugs{color}. The patch does not introduce any new Findbugs (version 1.3.9) warnings. {color:green}+1 release audit{color}. The applied patch does not increase the total number of release audit warnings. {color:green}+1 core tests{color}. The patch passed unit tests in hadoop-tools/hadoop-streaming. {color:green}+1 contrib tests{color}. The patch passed contrib unit tests. Test results: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/4117//testReport/ Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/4117//console This message is automatically generated. > 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 > Affects Versions: 2.1.0-beta > Reporter: Sandy Ryza > Assignee: Sandy Ryza > Attachments: MAPREDUCE-5457-1.patch, MAPREDUCE-5457-2.patch, > MAPREDUCE-5457-3.patch, MAPREDUCE-5457-branch-1-1.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)