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From "Anupam Seth (Resolved) (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (MAPREDUCE-3665) Hadoop ignores old-style config options for enabling compressed output
Date Wed, 25 Jan 2012 18:47:41 GMT

     [ 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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