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https://issues.apache.org/jira/browse/HIVE-19661?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rajkumar Singh updated HIVE-19661:
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Attachment: HIVE-19661.01.patch
> 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.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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