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 ?????? BlackBerry?0?3 ?o???b??
