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https://issues.apache.org/jira/browse/HBASE-11564?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14071802#comment-14071802
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stack commented on HBASE-11564:
-------------------------------

bq. I plan to commit this tomorrow if there is no objection.

+1 if you've tested it [~nkeywal].  Agree the javadoc unrelated (was fixed 
yesterday)

> Improve cancellation management in the rpc layer
> ------------------------------------------------
>
>                 Key: HBASE-11564
>                 URL: https://issues.apache.org/jira/browse/HBASE-11564
>             Project: HBase
>          Issue Type: Bug
>          Components: Client
>    Affects Versions: 1.0.0, 2.0.0
>            Reporter: Nicolas Liochon
>            Assignee: Nicolas Liochon
>             Fix For: 1.0.0, 2.0.0
>
>         Attachments: 11564.v1.patch, 11564.v2.patch
>
>
> The current client code depends on interrupting the thread for canceling a 
> request. It's actually possible to rely on a callback in protobuf.
> The patch includes as well various performance improvements in replica 
> management. 
> On a version before HBASE-11492 the perf was ~35% better. I will redo the 
> test with the last version.



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