On Tue, Dec 4, 2012 at 2:10 PM, Ted Yu <[email protected]> wrote: > Can you give us a little more detail on how much deviation the region > counts on region servers have ? > > There is a parameter, hbase.regions.slop, with default value of 0.2 > This parameter allows region count to deviate by certain percentage from > average region count. > > You can tighten the value for this parameter and see if you get better > results.
Thanks for the response. I think this isn't an issue with region slop -- I had a table with only ~15 regions, and half of them ended up on one region server. I've since manually rebalanced that table, but here's an example from different table [1]. Norbert [1] Regions by Region Server Region Server Region Count http://aspen8hdp9.turner.com:60030/ 25 http://aspen8hdp10.turner.com:60030/ 25 http://aspen8hdp16.turner.com:60030/ 38 http://aspen8hdp13.turner.com:60030/ 26 http://aspen8hdp15.turner.com:60030/ 26 http://aspen8hdp12.turner.com:60030/ 43 http://aspen8hdp14.turner.com:60030/ 31 http://aspen8hdp11.turner.com:60030/ 42
