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https://issues.apache.org/jira/browse/HIVE-4378?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13635508#comment-13635508
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Gunther Hagleitner commented on HIVE-4378:
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https://reviews.facebook.net/D10359
> Counters hit performance even when not used
> -------------------------------------------
>
> Key: HIVE-4378
> URL: https://issues.apache.org/jira/browse/HIVE-4378
> Project: Hive
> Issue Type: Bug
> Reporter: Gunther Hagleitner
> Assignee: Gunther Hagleitner
> Fix For: 0.11.0
>
> Attachments: HIVE-4378.1.patch
>
>
> preprocess/postprocess counters perform a number of computations even when
> there are no counters to update. Performance runs are captured in:
> https://issues.apache.org/jira/browse/HIVE-4318
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