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https://issues.apache.org/jira/browse/TEZ-1083?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14171963#comment-14171963
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Gopal V commented on TEZ-1083:
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+1 - this enables RLE on the map-side spill.
Reduce-side TezMerger needs the equivalent impl, as a different JIRA.
> Enable IFile RLE for DefaultSorter
> ----------------------------------
>
> Key: TEZ-1083
> URL: https://issues.apache.org/jira/browse/TEZ-1083
> Project: Apache Tez
> Issue Type: Improvement
> Reporter: Siddharth Seth
> Assignee: Gopal V
> Attachments: TEZ-1083.1.patch, TEZ-1083.2.patch
>
>
> Generate RLE IFiles for DefaultSorter and use it to fast-forward map-side
> merge.
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