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Posted to mapreduce-issues@hadoop.apache.org by "Anupam Seth (Resolved) (JIRA)" <ji...@apache.org> on 2012/01/25 19:47:41 UTC
[jira] [Resolved] (MAPREDUCE-3665) Hadoop ignores old-style config
options for enabling compressed output
[ https://issues.apache.org/jira/browse/MAPREDUCE-3665?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Anupam Seth resolved MAPREDUCE-3665.
------------------------------------
Resolution: Duplicate
Since patch to fix this issuefixes files in hadoop-common, filing a new JIRA and dup'ing this one.
> Hadoop ignores old-style config options for enabling compressed output
> ----------------------------------------------------------------------
>
> Key: MAPREDUCE-3665
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3665
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2
> Affects Versions: 0.23.0
> Reporter: Anupam Seth
> Assignee: Anupam Seth
>
> 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.
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