It depends on the time between the 2 screen-shots. But if there is more than 5 minutes (default config), then you are correct and it should have been a minimum balanced.
2014-10-03 3:30 GMT-04:00 Qiang Tian <tian...@gmail.com>: > according to the 2 pictures, looks the balancer not run? > > On Fri, Oct 3, 2014 at 1:45 AM, Ted Yu <yuzhih...@gmail.com> wrote: > > > See also > > HBASE-12139 StochasticLoadBalancer doesn't work on large lightly loaded > > clusters > > > > Cheers > > > > On Thu, Oct 2, 2014 at 10:35 AM, Jean-Marc Spaggiari < > > jean-m...@spaggiari.org> wrote: > > > > > Also, What is the balancer configured on your cluster? Which HBase > > version? > > > If you have a 200 region table in a cluster with another pretty small > 13 > > > region table like the one you have, chances are high for this 2nd table > > to > > > not be perfectly balanced over the cluster compared to the first one. > > > > > > JM > > > > > > 2014-10-02 13:30 GMT-04:00 Nick Dimiduk <ndimi...@gmail.com>: > > > > > > > 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....@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 > > > > > > > > > > > > > > >
