I supposed load balancer is enabled and there is no pre-split. LB run periodicly, (5 mininutes by default), so after insert bulk data into HBase, the table is unbalance but there will be balanced eventually after round-robin load balancer running.
On Thu, Jul 4, 2013 at 1:25 PM, Ted Yu <[email protected]> wrote: > Did you presplit your table ? > > Was load balancer enabled ? > > What HBase version do you use ? > > Thanks > > On Jul 3, 2013, at 10:21 PM, ch huang <[email protected]> wrote: > > > i insert 2GB data into my hbase cluster ,but i find the region is not > > balance,is insert operation always cause the region number different on > > region server? > > > > here is my 60010 output > > > > Table Regions Name Region Server Start Key End Key > > demo2,,1372914631698.f42281ec44d113df3e644d5ecdb35366. > > CH36:60030<http://ch36:60030/> > > rows23703 demo2,rows23703,1372914684582.c3373791daec95b849ba2908c517e045. > > CH35:60030 <http://ch35:60030/> rows23703 rows347161 > > demo2,rows347161,1372914714248.dd9a6c39f65ad4a879638e1bfec76016. > > CH34:60030<http://ch34:60030/> > > rows347161 rows428378 > > demo2,rows428378,1372914745946.41a4669f36bc99ef1592b2df13c0a948. > > CH36:60030<http://ch36:60030/> > > rows428378 rows512589 > > demo2,rows512589,1372914776151.a4363bdd7403633c5775931ab32a7da8. > > CH36:60030<http://ch36:60030/> > > rows512589 rows598644 > > demo2,rows598644,1372914806469.729f52018aac909e8080f00b8d698e2d. > > CH36:60030<http://ch36:60030/> > > rows598644 rows684871 > > demo2,rows684871,1372914836812.d9cb1760fe3302500034913ff813e0f8. > > CH35:60030<http://ch35:60030/> > > rows684871 rows771559 > > demo2,rows771559,1372914836812.ac16ff1404cff5c0db3d2e3b0661ffcd. > > CH36:60030<http://ch36:60030/> > > rows771559 Regions by Region Server Region Server Region Count > > http://CH35:60030/ 2 http://CH36:60030/ 5 http://CH34:60030/ 1 >
