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From György Dózsa <>
Subject Cassandra uses more memory than Xmx
Date Wed, 16 Jun 2010 12:02:06 GMT

I have a Cassandra cluster and I set java Xmx to 2G in 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.


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