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From JKnight JKnight <>
Subject Config Maximum heap size for Cassandra
Date Thu, 28 Oct 2010 02:04:29 GMT
Hi all,

When I config Maximum heap size -Xmx4G, the memory will consume to 3.5G.
When I call Perform GC (jconsole), the used memory reduce to 1G.

When I config Maximum heap size -Xmx2G, Cassandra system run well.

Is that Casandra problem?
I want Cassandra use memory more effective. How can I do that?

Thank a lot for support.
Best regards,

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