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MapReduce >> mail # user >> why multiple checkpoint nodes?


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Re: why multiple checkpoint nodes?
more checkpoint nodes means more backup of the metadata :)

*Thanks & Regards    *


Shashwat Shriparv

On Thu, Apr 18, 2013 at 9:35 PM, Thanh Do <[EMAIL PROTECTED]> wrote:

> Hi all,
>
> The document says "Multiple checkpoint nodes may be specified in the
> cluster configuration file".
>
> Can some one clarify me that why we really need to run multiple checkpoint
> nodes anyway? Is it possible that while checkpoint node A is doing
> checkpoint, and check point node B kicks in and does another checkpoint?
>
> Thanks,
> Thanh
>