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Posted to issues@hive.apache.org by "Rajkumar Singh (JIRA)" <ji...@apache.org> on 2019/06/09 19:12:00 UTC

[jira] [Updated] (HIVE-19661) switch Hive UDFs to use Re2J regex engine

     [ https://issues.apache.org/jira/browse/HIVE-19661?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rajkumar Singh updated HIVE-19661:
----------------------------------
    Attachment: HIVE-19661.03.patch
        Status: Patch Available  (was: Open)

> 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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