You could make use of jVisualVM as well. Comes in quite handy. Warm Regards, Tariq https://mtariq.jux.com/ cloudfront.blogspot.com
On Wed, Apr 17, 2013 at 2:05 PM, ramkrishna vasudevan < [email protected]> wrote: > Just do jstack with pid. > > Regards > Ram > > > On Wed, Apr 17, 2013 at 1:56 PM, hua beatls <[email protected]> wrote: > > > any good tool for thread dump? can you recommand? > > > > Thanks! > > > > beatls > > > > > > On Wed, Apr 17, 2013 at 4:06 PM, ramkrishna vasudevan < > > [email protected]> wrote: > > > > > Can you attach a thread dump for this ? Which version of HBase are you > > > using. > > > > > > Logs also if attached would be fine. > > > > > > Regards > > > Ram > > > > > > > > > On Wed, Apr 17, 2013 at 1:07 PM, hua beatls <[email protected]> wrote: > > > > > > > HI, > > > > from web ui I find one of my 5 regionserver missing, and check > the > > > log > > > > find: > > > > > > > > > > > > > > ***************************************************************************************** > > > > [hadoop@hadoop1 logs]$ tail -f hbase-hadoop-regionserver-hadoop1.log > > > > 2013-04-17 15:21:24,789 DEBUG > > > > org.apache.hadoop.hbase.regionserver.CompactSplitThread: Waiting for > > > Split > > > > Thread to finish... > > > > 2013-04-17 15:22:24,789 DEBUG > > > > org.apache.hadoop.hbase.regionserver.CompactSplitThread: Waiting for > > > Split > > > > Thread to finish... > > > > > > > > > > > > > > ********************************************************************************************* > > > > but the regionserver process is still alive from jps output. > > > > > > > > any suggestion? > > > > > > > > Thanks! > > > > > > > > beatls > > > > > > > > > >
