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https://issues.apache.org/jira/browse/HBASE-11733?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14097189#comment-14097189
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Matteo Bertozzi commented on HBASE-11733:
-----------------------------------------
yeah just to follow up with some numbers, reflection is too expensive while the
new Interface() takes only few nanoseconds per call. I've tested it with jit
disabled calling the direct method vs calling a method with the interface that
calls the direct method.. and by dividing the total time by the numbers of call
I'm around 20nanosec.
> Avoid copy-paste in Master/Region CoprocessorHost
> -------------------------------------------------
>
> Key: HBASE-11733
> URL: https://issues.apache.org/jira/browse/HBASE-11733
> Project: HBase
> Issue Type: Bug
> Components: Coprocessors
> Reporter: Matteo Bertozzi
> Assignee: Matteo Bertozzi
> Priority: Trivial
> Fix For: 2.0.0
>
> Attachments: HBASE-11733-0.98-v1.patch, HBASE-11733-v0.patch
>
>
> all the methods of MasterCoprocessorHost and RegionCoprocessorHost are
> copy-paste, and a couple of them have some missing fixes.
> The body of each function is the same, the only difference is the call to the
> specific coprocessor.
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