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From "Nicolas Liochon (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-11564) Improve cancellation management in the rpc layer
Date Fri, 25 Jul 2014 10:06:38 GMT

    [ https://issues.apache.org/jira/browse/HBASE-11564?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14074251#comment-14074251

Nicolas Liochon commented on HBASE-11564:

bq. I might be mis-reading the patch though. 
You're reading correctly :-)
I was not aware of this test issue. The RetriesExhausted should occur only after quite a lot
of retries and sleep. I went for this change because the performance were better with it.

> 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: 0.99.0, 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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