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From "Lars Hofhansl (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-6619) Do no unregister and re-register interest ops in RPC
Date Thu, 04 Oct 2012 19:01:49 GMT

     [ https://issues.apache.org/jira/browse/HBASE-6619?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Lars Hofhansl updated HBASE-6619:
---------------------------------

    Fix Version/s:     (was: 0.94.3)
                       (was: 0.96.0)

Actually this change (or a version of it) is in 0.94 and 0.96 already.
                
> 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
>         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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