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https://issues.apache.org/jira/browse/TEZ-4216?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17171840#comment-17171840
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Ashutosh Chauhan commented on TEZ-4216:
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+1
> RLE check in MergeManager::finalMerge could be disabled
> -------------------------------------------------------
>
> Key: TEZ-4216
> URL: https://issues.apache.org/jira/browse/TEZ-4216
> Project: Apache Tez
> Issue Type: Improvement
> Reporter: Rajesh Balamohan
> Priority: Major
> Attachments: TEZ-4216.1.patch
>
>
> [https://github.com/apache/tez/blob/master/tez-runtime-library/src/main/java/org/apache/tez/runtime/library/common/shuffle/orderedgrouped/MergeManager.java#L1319]
>
> [https://github.com/apache/tez/blob/master/tez-runtime-library/src/main/java/org/apache/tez/runtime/library/common/sort/impl/TezMerger.java]
>
> MergerManager's finalMerger() need not check for RLE. We could pass on the
> RLE information from sorter via events. Until then, it would be good to turn
> off RLE here.
>
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