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From "Eli Collins (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HADOOP-5177) Default number of xceivers should be increased dramatically
Date Mon, 25 Apr 2011 17:15:03 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-5177?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Eli Collins resolved HADOOP-5177.

    Resolution: Duplicate

Tracked in HDFS-1861.

> Default number of xceivers should be increased dramatically
> -----------------------------------------------------------
>                 Key: HADOOP-5177
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5177
>             Project: Hadoop Common
>          Issue Type: Bug
>            Reporter: Nathan Marz
> On our cluster, unless we manually increase the number of xcievers via the property dfs.datanode.max.xcievers,
our jobs fail with the typical exception being "Could not get block locations...". We have
the xcievers property set to 8000 now which resolved the issue for us. Clearly, the Hadoop
default should be much higher than what it is now (256 I believe).

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