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From "Hari Sankar Sivarama Subramaniyan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-11671) Optimize RuleRegExp in DPP codepath
Date Wed, 02 Sep 2015 17:50:45 GMT

    [ https://issues.apache.org/jira/browse/HIVE-11671?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14727724#comment-14727724
] 

Hari Sankar Sivarama Subramaniyan commented on HIVE-11671:
----------------------------------------------------------

Hi [~rajesh.balamohan] Can you please try the failed tests locally and see if they are related
to this patch.

Thanks
Hari

> Optimize RuleRegExp in DPP codepath
> -----------------------------------
>
>                 Key: HIVE-11671
>                 URL: https://issues.apache.org/jira/browse/HIVE-11671
>             Project: Hive
>          Issue Type: Sub-task
>            Reporter: Rajesh Balamohan
>            Assignee: Rajesh Balamohan
>         Attachments: HIVE-11671.1.patch, HIVE-11671.2.patch, cpu_with_patch.png, cpu_without_patch.png,
mem_with_patch.png, mem_without_patch.png
>
>
> When running a large query with DPP in its codepath, RuleRegExp came up as hotspot. Creating
this JIRA to optimize RuleRegExp.java.



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