How many tables are there in your cluster ? Is the cluster balanced overall (in terms of number of regions per server) but this table is not ?
What happens (check master log) when you issue 'balancer' command through shell ? Cheers On Fri, Feb 13, 2015 at 8:19 AM, Shahab Yunus <shahab.yu...@gmail.com> wrote: > CDH 5.3 > HBase 98.6 > > We are writing data to an HBase table through a M/R job. We pre split the > table before each job run. The problem is that most of the regions end up > on the same RS. This results in that one RS being severely overloaded and > subsequent M/R jobs failing trying to write to the regions on that RS. > > The balancer is on and the split policy is default. No changes there. It is > a 10 node cluster. > > All other related properties are defaults too. > > Any idea, how can we force balancing of the new regions? Do we have to > consider compaction into the equation as well? Thanks. > > Regards, > Shahab >