Hi, For a possible future, there is as well this to monitor: http://docs.oracle.com/javase/7/docs/technotes/guides/vm/G1.html More or less requires JDK 1.7 See HBASE-2039
Cheers, N. On Thu, Aug 23, 2012 at 8:16 AM, J Mohamed Zahoor <[email protected]> wrote: > Slab cache might help > http://www.cloudera.com/blog/2012/01/caching-in-hbase-slabcache/ > > ./zahoor > > On Thu, Aug 23, 2012 at 11:36 AM, Gen Liu <[email protected]> wrote: > >> Hi, >> >> We are running Region Server on big memory machine (70G) and set Xmx=64G. >> Most heap is used as block cache for random read. >> Stop-the-world GC is killing the region server, but using less heap (16G) >> doesn't utilize our machines well. >> >> Is there a concurrent or parallel GC option that won't block all threads? >> >> Any thought is appreciated. Thanks. >> >> Gen Liu >> >>
