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From Nick Dimiduk <ndimi...@gmail.com>
Subject Re: How to make a given table spread evenly across the cluster
Date Thu, 02 Oct 2014 17:30:46 GMT
Is the balancer running? If it's running but unable to act, you should see
some explanation in the Master logs.

On Wed, Oct 1, 2014 at 8:27 PM, Tao Xiao <xiaotao.cs.nju@gmail.com> wrote:

> Hi all,
>
> I have a HBase table containing 40 million records. Checking HBase UI, I
> could see that this table was not spread evenly across the cluster. Two
> nodes, *ec1.hadoop.com:60020 <http://ec1.hadoop.com:60020>* and
> *ec5.hadoop.com:60020
> <http://ec5.hadoop.com:60020>*, for example, has only one region each,
> while other nodes have more regions. Here is the screen shot
> <http://imgbin.org/index.php?page=image&id=19571>.
>
> I tried to split that table by clicking the button "Split". Later, each
> region of that table was split into two regions, but all regions for that
> table as a whole were still unevenly spread across the cluster. Here
> is a screen
> shot after I click the button "Split"
> <http://imgbin.org/index.php?page=image&id=19572>.
>
> So I'd like to know how to adjust the regions for a table so that all
> regions for that table can be evenly spread across the cluster.
>
> Thanks
>

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