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From "Nathan Marz (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-5177) Default number of xceivers should be increased dramatically
Date Thu, 05 Feb 2009 19:11:59 GMT
Default number of xceivers should be increased dramatically
-----------------------------------------------------------

                 Key: HADOOP-5177
                 URL: https://issues.apache.org/jira/browse/HADOOP-5177
             Project: Hadoop Core
          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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