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From Vitalii Tymchyshyn <>
Subject Re: Cassandra OOM
Date Wed, 04 Jan 2012 15:18:15 GMT
04.01.12 14:25, Radim Kolar написав(ла):
> > So, what are cassandra memory requirement? Is it 1% or 2% of disk data?
> It depends on number of rows you have. if you have lot of rows then 
> primary memory eaters are index sampling data and bloom filters. I use 
> index sampling 512 and bloom filters set to 4% to cut down memory needed.
I've raised index sampling and bloom filter setting seems not to be on 
trunk yet. For me memtables is what's eating heap :(

Best regards, Vitalii Tymchyshyn.

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