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Posted to common-issues@hadoop.apache.org by "Hadoop QA (Commented) (JIRA)" <ji...@apache.org> on 2012/01/25 22:04:38 UTC
[jira] [Commented] (HADOOP-7993) Hadoop ignores old-style config
options for enabling compressed output
[ 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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