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Hadoop >> mail # user >> Re: What is Block Pool ID namenode?


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Re: What is Block Pool ID namenode?
it is used for HDFS federation, if you have more than one NN in your
cluster, block pool id is different for each NN.
On Mar 3, 2013 1:49 PM, "Dhanasekaran Anbalagan" <[EMAIL PROTECTED]> wrote:

> Hi Guys,
>
> In my node namenode page I seen
>
> Started:Wed Feb 27 12:41:28 EST 2013 Version:2.0.0-cdh4.0.1,
> 4d98eb718ec0cce78a00f292928c5ab6e1b84695 Compiled:Mon Sep 24 13:30:27 EDT
> 2012 by dracdemo from Unknown Upgrades:There are no upgrades in progress. Cluster
> ID:cluster26 *Block Pool ID:**BP-1936777173-172.16.30.122-1343141974879*
>
> what is actually mean Block pool id please guide me.
>
> <BP-some number><IP Address><somenumber>
>
> How to understand the sequence.
>
> -Dhanasekaran.
>
> Did I learn something today? If not, I wasted it.
>