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Date: Mon, 07 Mar 2011 10:03:56 -0500
From: Chris Burroughs <chris.burroughs@gmail.com>
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To: user@cassandra.apache.org
CC: Casey Deccio <casey@deccio.net>
Subject: Re: Reducing memory footprint
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On 03/04/2011 03:51 PM, Casey Deccio wrote:
> Are you saying: that you want a smaller heap and what settings to change
>> to accommodate that, or that you have already set a small heap of x and
>> Cassandra is using significantly more than that?
>>
> 
> Based on my observation above, the latter.
> 
> Casey
> 

As  Aaron said then the first things to look at are your jvm settings,
jvm version, and io configuration (standard v mmap).


You may also wish to read this thread:
http://cassandra-user-incubator-apache-org.3065146.n2.nabble.com/reduced-cached-mem-resident-set-size-growth-td5967110.html