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From Steve Loughran <ste...@hortonworks.com>
Subject Re: Not able to place enough replicas in Reduce
Date Mon, 24 Sep 2012 15:12:59 GMT
On 24 September 2012 15:47, Ted Reynolds <tedr@hortonworks.com> wrote:

> Jason,
>
> The line in the JobTracker log - "Could only be replicated to 0 nodes,
> instead of 1" points to a problem with your data node.  I generally means
> that your DataNode is either down or not functioning correctly.  What is
> the output of the "jps" command?  ("jps" is found in <JAVA_HOME>/bin).
>
>

see also: http://wiki.apache.org/hadoop/CouldOnlyBeReplicatedTo

-steve

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