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https://issues.apache.org/jira/browse/HIVE-19661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16491923#comment-16491923
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ASF GitHub Bot commented on HIVE-19661:
---------------------------------------
GitHub user rajkrrsingh opened a pull request:
https://github.com/apache/hive/pull/358
HIVE-19661 : switch Hive UDFs to use Re2J regex engine
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/rajkrrsingh/hive HIVE-19661
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/hive/pull/358.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #358
----
commit 41cff8d9c5d4ffed7d75388013a2618e787ef7fc
Author: Rajkumar singh <rajkrrsingh@...>
Date: 2018-05-27T05:18:04Z
HIVE-19661 : switch Hive UDFs to use Re2J regex engine
commit da1a73b40896f84b920db3c90212fa3bbf375a95
Author: Rajkumar singh <rajkrrsingh@...>
Date: 2018-05-27T05:19:35Z
HIVE-19661 : switch Hive UDFs to use Re2J regex engine
----
> 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
> Reporter: Rajkumar Singh
> Assignee: Rajkumar Singh
> Priority: Major
> Labels: pull-request-available
>
> 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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