Thanks for the information. Please turn on per-table load balancing and tell us what it looks like.
On Tue, Dec 4, 2012 at 11:32 AM, Norbert Burger <[email protected]>wrote: > 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 >
