Hi Nick, Do you see anything in your tasktracker or datanode logs?
Best Regards, Sonal Crux: Reporting for HBase <https://github.com/sonalgoyal/crux> Nube Technologies <http://www.nubetech.co> <http://in.linkedin.com/in/sonalgoyal> On Wed, Oct 24, 2012 at 3:45 PM, Nick maillard < [email protected]> wrote: > As I have written in a reply above but that is kind of lost in the tread: > > I have set dfs.replication at 2 but this process time has not changed at > all. > How could I change my configuration to avoid this hotspot issue you have > talked > about. > > As Kevin has advised I have also upped: > hbase.hstore.blockingStoreFiles to 100 > hbase.hregion.memstore.block.multiplier to 7 > hbase.hregion.memstore.flush.size to 256 MB > hbase.regionserver.optionallogflushinterval to 30s > > These changes did not bring any significant evolution in speed. > > My cluster is 3 ubuntu machines: > 2 cores 4 threads 3.4+ GHz with 16gb ram > > thanks for everyones help > > >
