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Date: Sun, 3 Mar 2013 17:28:26 +0800
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Subject: Re: What is Block Pool ID namenode?
From: Azuryy Yu <azuryyyu@gmail.com>
To: user@hadoop.apache.org
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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" <bugcy013@gmail.com> 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.
>

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<p dir=3D"ltr">it is used for HDFS federation, if you have more than one NN=
 in your cluster, block pool id is different for each NN.</p>
<div class=3D"gmail_quote">On Mar 3, 2013 1:49 PM, &quot;Dhanasekaran Anbal=
agan&quot; &lt;<a href=3D"mailto:bugcy013@gmail.com">bugcy013@gmail.com</a>=
&gt; wrote:<br type=3D"attribution"><blockquote class=3D"gmail_quote" style=
=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir=3D"ltr"><div><div><div><div><div>Hi Guys,<br><br></div>In my node =
namenode page I seen<br><br><table><tbody><tr><td>Started:</td><td>Wed Feb =
27 12:41:28 EST 2013</td></tr>

  <tr><td>Version:</td><td>2.0.0-cdh4.0.1, 4d98eb718ec0cce78a00f292928c5ab6=
e1b84695
  </td></tr><tr><td>Compiled:</td><td>Mon Sep 24 13:30:27 EDT 2012 by dracd=
emo from Unknown
  </td></tr><tr><td>Upgrades:</td><td>There are no upgrades in progress.
  </td></tr><tr><td>Cluster ID:</td><td>cluster26</td></tr>

  <tr><td><b>Block Pool ID:</b></td><td><b>BP-1936777173-172.16.30.122-1343=
141974879</b></td></tr></tbody></table><br><br></div>what is actually mean =
Block pool id please guide me.<br><br></div>&lt;BP-some number&gt;&lt;IP Ad=
dress&gt;&lt;somenumber&gt;<br>


<br></div>How to understand the sequence.<br><br></div>-Dhanasekaran.<br><d=
iv><div><div><div><br clear=3D"all"><div><div><div>Did I learn something to=
day? If not, I wasted it.</div>
</div></div></div></div></div></div></div>
</blockquote></div>

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