I would also not use such a big heap. I think most people will tell you that 12G -16G is max to use.
Bye, Norman 2011/9/30 Yi Yang <i...@iyyang.com>: > It is meaningless to release such memory. The counting includes the data you > reached in the SSTable. Those data locates on your hard drive. So it is not > the RAM spaces you have actually used. > > -Y. > ------Original Message------ > From: Yang > To: user@cassandra.apache.org > ReplyTo: user@cassandra.apache.org > Subject: release mmap memory through jconsole? > Sent: Oct 1, 2011 12:40 AM > > I gave an -Xmx50G to my Cassandra java processs, now "top" shows its > virtual memory address space is 82G, is there > a way to release that memory through JMX ? > > Thanks > Yang > > 從我的 BlackBerry(R) 無線裝置
