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MapReduce >> mail # user >> Stopping a single Datanode


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Re: Stopping a single Datanode
you can just kill the process id

or there is a command inside bin directory hadoop-daemon.sh

use it with stop datanode and it should stop it

On Fri, Aug 17, 2012 at 12:41 AM, Terry Healy <[EMAIL PROTECTED]> wrote:
> Sorry - this seems pretty basic, but I could not find a reference on
> line or in my books. Is there a graceful way to stop a single datanode,
> (for example to move the system to a new rack where it will be put back
> on-line) or do you just whack the process ID and let HDFS clean up the
> mess?
>
> Thanks
>

--
Nitin Pawar
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB