Can you pastebin region server log snippet around the time when the split happened ?
Was the split on data table or index table ? Thanks > On Feb 15, 2016, at 10:22 AM, Pedro Gandola <[email protected]> wrote: > > Hi, > > I have a cluster using *HBase 1.1.2* where I have a table and a local index > (using *Apache Phoenix 4.6*) in total both tables have *300 regions* > (aprox: *18 regions per server*), my* hbase.hregion.max.filesize=30GB *and > my region sizes are now *~4.5GB compressed (~7GB uncompressed)*. However > each time I restart a RS sometimes a region gets split. This is unexpected > because my key space is uniform (using MD5) and if the problem was my > *region.size >> * *hbase.hregion.max.filesize *I would expect to have all the regions or > almost all splitting but this only happens when I restart a RS and it > happens only for 1 or 2 regions. > > What are the different scenarios where a region can split? > > What are the right steps to restart a region server in order to avoid these > unexpected splits? > > Thank you, > Cheers > Pedro
