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From "Karthik Kambatla (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-10095) Performance improvement in CodecPool
Date Wed, 13 Nov 2013 16:29:21 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-10095?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13821492#comment-13821492
] 

Karthik Kambatla commented on HADOOP-10095:
-------------------------------------------

Looks good to me. +1.

> Performance improvement in CodecPool
> ------------------------------------
>
>                 Key: HADOOP-10095
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10095
>             Project: Hadoop Common
>          Issue Type: Improvement
>    Affects Versions: 3.0.0, 2.2.0
>            Reporter: Nicolas Liochon
>            Assignee: Nicolas Liochon
>            Priority: Minor
>             Fix For: 3.0.0, 2.2.1
>
>         Attachments: 10095.v1.patch
>
>
> CodecPool shows up when profiling HBase with a mixed workload (it says we spend 1% of
the time there).
> It could be a profiler side effect, but on the other hand we can save some 'Map#contains'.



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