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From "Todd Lipcon (Resolved) (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HDFS-3010) Get performance on HA branch to match trunk
Date Thu, 01 Mar 2012 01:13:58 GMT

     [ https://issues.apache.org/jira/browse/HDFS-3010?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Todd Lipcon resolved HDFS-3010.
-------------------------------

    Resolution: Fixed

With the recent patches committed to the HA branch, performance is now comparable.
                
> Get performance on HA branch to match trunk
> -------------------------------------------
>
>                 Key: HDFS-3010
>                 URL: https://issues.apache.org/jira/browse/HDFS-3010
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ha, name-node
>    Affects Versions: HA branch (HDFS-1623)
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>            Priority: Critical
>
> As described in [this comment|https://issues.apache.org/jira/browse/HDFS-1623?focusedCommentId=13215309&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13215309]
the performance of the HA branch for writes is significantly reduced compared to trunk. We
need to dig a bit and optimize whatever it is that's hurting us in order to get back to the
same performance numbers.

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