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https://issues.apache.org/jira/browse/HBASE-18281?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16065499#comment-16065499
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Mike Drob commented on HBASE-18281:
-----------------------------------
Would be even better to make that a static member variable instead of a field
so that we only have to compile the pattern once at class init instead of once
every time we call.
> Performance update in StoreFileWriter.java for string replacement
> -----------------------------------------------------------------
>
> Key: HBASE-18281
> URL: https://issues.apache.org/jira/browse/HBASE-18281
> Project: HBase
> Issue Type: Improvement
> Components: community
> Reporter: Ben Epstein
> Priority: Trivial
> Attachments: 0001-HBASE-18281-fixed-performance-using-Pattern.patch
>
> Original Estimate: 5m
> Remaining Estimate: 5m
>
> Change the replaceAll() function using regex with a static Pattern for
> performance upgrade
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