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From Vikas Parashar <para.vi...@gmail.com>
Subject Re: Adding datanodes to Hadoop cluster - Will data redistribute?
Date Sat, 07 Feb 2015 04:37:09 GMT
Hi Manoj,

Pls try


Vikas Parashar (Vicky)

On Sat, Feb 7, 2015 at 1:04 AM, Manoj Venkatesh <manovenki@gmail.com> wrote:

> Dear Hadoop experts,
> I have a Hadoop cluster of 8 nodes, 6 were added during cluster creation
> and 2 additional nodes were added later to increase disk and CPU capacity.
> What i see is that processing is shared amongst all the nodes whereas the
> storage is reaching capacity on the original 6 nodes whereas the newly
> added machines have relatively large amount of storage still unoccupied.
> I was wondering if there is an automated or any way of redistributing data
> so that all the nodes are equally utilized. I have checked for the
> configuration parameter - *dfs.datanode.fsdataset.volume.choosing.policy*
> have options 'Round Robin' or 'Available Space', are there any other
> configurations which need to be reviewed.
> Thanks,
> Manoj

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