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https://issues.apache.org/jira/browse/TEZ-3777?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16065662#comment-16065662
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Rajesh Balamohan commented on TEZ-3777:
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\cc [~gopalv]
> Avoid buffer copies by passing RLE flag to TezMerger from PipelinedSorter
> -------------------------------------------------------------------------
>
> Key: TEZ-3777
> URL: https://issues.apache.org/jira/browse/TEZ-3777
> Project: Apache Tez
> Issue Type: Bug
> Reporter: Rajesh Balamohan
> Assignee: Rajesh Balamohan
> Attachments: TEZ-3777.1.patch, TEZ-3777.2.patch
>
>
> RLE information computed in pipelinedSorter can be passed on to
> {{TezMerger.merge}} in {{PipelinedSorter::flush}}. Depending on dataset,
> this can save lot of data copies.
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