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https://issues.apache.org/jira/browse/PHOENIX-1287?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14375646#comment-14375646
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Shuxiong Ye commented on PHOENIX-1287:
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I finish 3 of 4 regex functions(LikeExpression, RegexpReplaceFunction, 
RegexpSubstrFunction), and the left one is RegexpSplitFunction. How about 
check-in all the four together?

I'll take a look at performance scripts, and measure the time later.

> Use the joni byte[] regex engine in place of j.u.regex
> ------------------------------------------------------
>
>                 Key: PHOENIX-1287
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-1287
>             Project: Phoenix
>          Issue Type: Bug
>            Reporter: James Taylor
>            Assignee: Shuxiong Ye
>              Labels: gsoc2015
>
> See HBASE-11907. We'd get a 2x perf benefit plus it's driven off of byte[] 
> instead of strings.Thanks for the pointer, [~apurtell].



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