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From Peter Schuller <>
Subject Re: Cassandra uses more memory than Xmx
Date Fri, 02 Jul 2010 10:50:02 GMT
> Thank you, actually the mmap uses my memory. But is there a way to limit the
> memory usage of mmap? Because the memory usage of Cassandra goes incredible
> high (~7Gb on a 8Gb machine).

On 64 bit platforms you don't have to worry about the total virtual
memory size of the process. If you mean the resident in-memory size,
this is entirely up to the operating system to balance and the
application has no direct control over it.

/ Peter Schuller

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