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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (HBASE-6619) Do no unregister and re-register interest ops in RPC
Date Sat, 29 Sep 2012 07:18:08 GMT

    [ https://issues.apache.org/jira/browse/HBASE-6619?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13466124#comment-13466124
] 

Andrew Purtell edited comment on HBASE-6619 at 9/29/12 6:16 PM:
----------------------------------------------------------------

Should perf improvements like this go into 0.94 too? I'd suggest yes.
Edit: I'm volunteering if you and [~lhofhansl] agree.
                
      was (Author: apurtell):
    Should perf improvements like this go into 0.94 too? I'd suggest yes.
                  
> Do no unregister and re-register interest ops in RPC
> ----------------------------------------------------
>
>                 Key: HBASE-6619
>                 URL: https://issues.apache.org/jira/browse/HBASE-6619
>             Project: HBase
>          Issue Type: Bug
>          Components: IPC/RPC, Performance
>            Reporter: Karthik Ranganathan
>            Assignee: Michal Gregorczyk
>            Priority: Critical
>             Fix For: 0.96.0
>
>         Attachments: 0001-jira-HBASE-6619-89-fb-Do-no-unregister-and-re-regist.patch
>
>
> While investigating perf of HBase, Michal noticed that we could cut about 5-40% (depending
on number of threads) from the total get time in the RPC on the server side if we eliminated
re-registering for interest ops.

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