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From Ted Yu <yuzhih...@gmail.com>
Subject Re: Restarting HDFS datanode process
Date Thu, 18 Sep 2014 17:57:06 GMT
How long would your datanode be out of service ?

If the duration is long (say 1 day), you'd better decommission it first.

Otherwise, datanode restart can be done without going through
decommissioning.

On Thu, Sep 18, 2014 at 8:25 AM, Biju N <bijuatapache@gmail.com> wrote:

> Hello There,
>      Can individual datanodes restarted (through service command) or do we
> need to add it to the exclude file in NN, restart DN it, remove it from the
> exclude file in NN as if the data node is being decommissioned and put
> back? Any feedback on this is much appreciated.
>
> Thanks,
> Biju
>

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