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From "Todd Lipcon (Resolved) (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HDFS-2923) Namenode IPC handler count uses the wrong configuration key
Date Thu, 09 Feb 2012 05:29:59 GMT

     [ https://issues.apache.org/jira/browse/HDFS-2923?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Todd Lipcon resolved HDFS-2923.
-------------------------------

       Resolution: Fixed
    Fix Version/s: 0.23.2
                   0.24.0
     Hadoop Flags: Reviewed

Committed to branch, thanks for reviewing Eli.
                
> Namenode IPC handler count uses the wrong configuration key
> -----------------------------------------------------------
>
>                 Key: HDFS-2923
>                 URL: https://issues.apache.org/jira/browse/HDFS-2923
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: name-node
>    Affects Versions: 0.23.0, 0.23.1
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>            Priority: Critical
>             Fix For: 0.24.0, 0.23.2
>
>         Attachments: hdfs-2923.txt
>
>
> In HDFS-1763, there was a typo introduced which causes the namenode to use dfs.datanode.handler.count
to set the number of IPC threads instead of the correct dfs.namenode.handler.count. This results
in bad performance under high load, since there are not nearly enough handlers.

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