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From "Hadoop QA (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-7993) Hadoop ignores old-style config options for enabling compressed output
Date Wed, 25 Jan 2012 21:04:38 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-7993?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13193326#comment-13193326
] 

Hadoop QA commented on HADOOP-7993:
-----------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12511882/HADOOP-7993_branch_0_23.patch
  against trunk revision .

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 4 new or modified tests.

    -1 javadoc.  The javadoc tool appears to have generated 7 warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 eclipse:eclipse.  The patch built with eclipse:eclipse.

    +1 findbugs.  The patch does not introduce any new Findbugs (version 1.3.9) warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit
warnings.

    +1 core tests.  The patch passed unit tests in .

    +1 contrib tests.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-HADOOP-Build/531//testReport/
Console output: https://builds.apache.org/job/PreCommit-HADOOP-Build/531//console

This message is automatically generated.
                
> Hadoop ignores old-style config options for enabling compressed output
> ----------------------------------------------------------------------
>
>                 Key: HADOOP-7993
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7993
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: conf
>    Affects Versions: 0.23.1
>            Reporter: Anupam Seth
>            Assignee: Anupam Seth
>         Attachments: HADOOP-7993_branch_0_23.patch
>
>
> Hadoop seems to ignore the config options even though they are printed as deprecation
warnings in the log: mapred.output.compress and
> mapred.output.compression.codec
> - settings that work on 0.20 but not on 0.23
> mapred.output.compress=true
> mapred.output.compression.codec=org.apache.hadoop.io.compress.BZip2Codec
> - settings that work on 0.23
> mapreduce.output.fileoutputformat.compress=true
> mapreduce.output.fileoutputformat.compress.codec=org.apache.hadoop.io.compress.BZip2Codec
> This breaks backwards compatibility and causes existing jobs to fail.
> This was found to happen due to the JobSubmitter writing out the job.xml file with the
old-style configs and can be fixed by handdling deprecation before the file is written out.

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