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https://issues.apache.org/jira/browse/HIVE-19661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16863559#comment-16863559
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Ashutosh Chauhan commented on HIVE-19661:
-----------------------------------------
[~alangates] Can you please help with License? I am not sure if license
permissible for it to be included?
[~Rajkumar Singh] Why not turn it on by default. Perf gains are impressive.
> switch Hive UDFs to use Re2J regex engine
> -----------------------------------------
>
> Key: HIVE-19661
> URL: https://issues.apache.org/jira/browse/HIVE-19661
> Project: Hive
> Issue Type: Bug
> Affects Versions: 3.0.0
> Reporter: Rajkumar Singh
> Assignee: Rajkumar Singh
> Priority: Major
> Labels: pull-request-available
> Attachments: HIVE-19661.01.patch, HIVE-19661.02.patch,
> HIVE-19661.03.patch, HIVE-19661.patch
>
>
> Java regex engine can be very slow in some cases e.g.
> https://bugs.java.com/bugdatabase/view_bug.do?bug_id=JDK-8203458
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