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MapReduce >> mail # user >> Re: dncp_block_verification


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Re: dncp_block_verification
Viji R  thank you very much
2013/7/26 Viji R <[EMAIL PROTECTED]>

> Hi,
>
> These are used to keep block IDs that are being verified, i.e., DN
> periodically matches blocks with stored checksums to root out
> corrupted or rotted data. They are removed once verification
> completes.
>
> Regards,
> Viji
>
> On Fri, Jul 26, 2013 at 11:39 AM, 闫昆 <[EMAIL PROTECTED]> wrote:
> > Hi All
> > the datanode directory in crrunt like follow
> > dncp_block_verification.log.prev
> > dncp_block_verification.log.curr
> > what this log function?
>