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From Bertrand Dechoux <decho...@gmail.com>
Subject Re: dfs.datanode.du.reserved
Date Wed, 06 Mar 2013 09:25:17 GMT
Not that I know. If so you should be able to identify each volume and as of
now this isn't the case.
BUT it can be done without Hadoop knowing about it, at the OS level, using
different partitions/mounts for datanode and jobtracker stuff. That should
solve your problem.

Regards

Bertrand

On Mon, Mar 4, 2013 at 10:26 PM, John Meza <j_mezazap@hotmail.com> wrote:

> I'm probably not being clear.
> this seems to describe it: dfs.datanode.du.reserved  configured
> per-volume.
> https://issues.apache.org/jira/browse/HDFS-1564
>
> thanks
> John
> ------------------------------
> From: outlawdba@gmail.com
> Date: Mon, 4 Mar 2013 15:37:36 -0500
> Subject: Re: dfs.datanode.du.reserved
> To: user@hadoop.apache.org
>
>
> Possible to reserve 0 from various testing I have done yet that could
> cause the obvious side effect of achieving zero disk space:) Have only
> tested in development environment, however. Yet there are various tuning
> white papers and other benchmarks where the very same has been tested.
>
> Thanks.
>
> On Mon, Mar 4, 2013 at 2:00 PM, John Meza <j_mezazap@hotmail.com> wrote:
>
> the parameter: dfs.datanode.du.reserved is used to reserve disk space PER
> datanode. Is it possible to reserve a different amount of disk space per
> DISK?
>
> thanks
> John
>
>
>
>
> --
> Ellis R. Miller
> 937.829.2380
>
>
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