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From "Saurabh Nanda (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HIVE-794) MergeTask should use COMPRESSRESULT instead of COMPRESSINTERMEDIATE
Date Wed, 26 Aug 2009 05:38:59 GMT

    [ https://issues.apache.org/jira/browse/HIVE-794?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12747786#action_12747786
] 

Saurabh Nanda commented on HIVE-794:
------------------------------------

Patch attached. Strangely the "Submit patch" form did not offer me a chance to upload the
patch file.

> MergeTask should use COMPRESSRESULT instead of COMPRESSINTERMEDIATE
> -------------------------------------------------------------------
>
>                 Key: HIVE-794
>                 URL: https://issues.apache.org/jira/browse/HIVE-794
>             Project: Hadoop Hive
>          Issue Type: Bug
>    Affects Versions: 0.4.0, 0.5.0
>            Reporter: Zheng Shao
>             Fix For: 0.4.0, 0.5.0
>
>         Attachments: HIVE-compression-fix.patch
>
>
> The MergeTask is responsible for merging small output files into bigger files for the
final output table.
> The compression settings to be used should be COMPRESSRESULT instead of COMPRESSINTERMEDIATE.
> GenMRFileSink1.java:172:
> {code}
>     FileSinkOperator newOutput = 
>       (FileSinkOperator)OperatorFactory.getAndMakeChild(
>          new fileSinkDesc(finalName, ts, 
>                           parseCtx.getConf().getBoolVar(HiveConf.ConfVars.COMPRESSINTERMEDIATE)),
>          fsRS, extract);
> {code}

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