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From Jonathan Ellis <>
Subject Re: another OOM
Date Fri, 18 Dec 2009 23:49:20 GMT
It sounds like you're simply throwing too much load at Cassandra.
Adding more machines can help.  Look at for how to track metrics
that will tell you how much is "too much."

Telling us more about your workload would be useful in sanity checking
that hypothesis. :)


On Fri, Dec 18, 2009 at 4:34 PM, Brian Burruss <> wrote:
> this time i simulated node 1 crashing, waited a few minutes, then restarted it.  after
a while node 2 OOM'ed.
> same 2 node cluster with RF=2, W=1, R=1.  i up'ed the RAM to 6G this time.
> cluster contains ~126,281,657 data elements containing about 298G on one node's disk
> thx!

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