hbase.master.loadbalance.bytable - By default it is true. Regards Ram
> -----Original Message----- > From: Anoop Sam John [mailto:[email protected]] > Sent: Thursday, August 02, 2012 3:32 PM > To: [email protected] > Subject: RE: Region balancing question > > 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?=
