you're just seeing address space used by mmap, not actually allocated-by-the-jvm memory.
On Wed, Jun 16, 2010 at 7:02 AM, György Dózsa <doz...@gmail.com> wrote: > Hi, > I have a Cassandra cluster and I set java Xmx to 2G in cassandra.in.sh in > every node, but the memory usage of cassandra daemon is 3 or 4 times of that > (so 6-8 Gb). > Have you got any idea to decrease the memory usage of cassandra? > There are 4 nodes in the cluster and the system has approx 1000 reads and > writes per sec. > Every node has debian. > -- > Thx, > Gyuri > -- Jonathan Ellis Project Chair, Apache Cassandra co-founder of Riptano, the source for professional Cassandra support http://riptano.com
