0.92 doesn't have this feature. The change was rolled back. FYI
On Thu, Aug 2, 2012 at 3:01 AM, Anoop Sam John <[email protected]> wrote: > Seems this is available from 0.92 version.. See HBASE-3373 > > -Anoop- > ________________________________________ > From: Anoop Sam John [[email protected]] > Sent: Thursday, August 02, 2012 3:24 PM > To: [email protected] > Subject: RE: Region balancing question > > Hi > Which version you are using? > From 0.94 in the balancer there are 2 ways of balancing. One is by table > balancing in which balancer will make sure the regions for one table is > balanced across the RSs. But in the other way of balancing in generic way > it will consider all the regions across all the tables as one group only > and will balance all across the RSs. Seems the 2nd way is happening with > ur case. Can u check the total number of regions (across all the tables) in > every RS. Is this balanced now? > > "hbase.master.loadbalance.bytable" config param can select any of the 2 > ways of balancing. This is added in 0.94 version. You might be using some > older version? > > -Anoop- > ________________________________________ > From: Bryan Keller [[email protected]] > Sent: Thursday, August 02, 2012 11:37 AM > To: [email protected] > Subject: Region balancing question > > I have a table on a 4 node test cluster. I also have some other tables on > the cluster. The table in question has a total of 12 regions. I noticed > that 1 node has 6 regions, another has zero, and the remaining two nodes > have the expected 3 regions. I'm a little confused how this can happen. > > The node with zero regions for the table has regions for other tables, so > the node seems to be functioning properly. I'm not sure how this particular > table can end up having no regions on this one node. Should the balancer > distribute the regions evenly across the cluster for a given table? If so, > is there a way to force it to rebalance? >
