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https://issues.apache.org/jira/browse/TEZ-4583?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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László Bodor updated TEZ-4583:
------------------------------
Description:
https://github.com/apache/tez/blob/607b2bc225a37b99931b860ad9e38474d4224178/tez-runtime-library/src/main/java/org/apache/tez/runtime/library/common/shuffle/orderedgrouped/MergeManager.java#L172
so TaskCounters.COMBINE_INPUT_RECORDS is always zero, despite that it's
displayed in the counters
> COMBINE_INPUT_RECORDS is not used in MergeManager
> -------------------------------------------------
>
> Key: TEZ-4583
> URL: https://issues.apache.org/jira/browse/TEZ-4583
> Project: Apache Tez
> Issue Type: New Feature
> Reporter: László Bodor
> Priority: Major
>
> https://github.com/apache/tez/blob/607b2bc225a37b99931b860ad9e38474d4224178/tez-runtime-library/src/main/java/org/apache/tez/runtime/library/common/shuffle/orderedgrouped/MergeManager.java#L172
> so TaskCounters.COMBINE_INPUT_RECORDS is always zero, despite that it's
> displayed in the counters
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