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Subject: Re: Cassandra benchmarking on Rackspace Cloud
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From: David Schoonover <david.schoonover@gmail.com>
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Date: Mon, 19 Jul 2010 16:41:50 -0400
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To: user@cassandra.apache.org

Thanks a ton, Juho.=20

The command was:

	./stress.py -o read -t 50 -d $NODELIST -n 75000000 -k -i 2

I made a few minor modifications to stress.py to count errors instead of =
logging them, and avoid the pointless try-catch on missing keys. (There =
are also unrelated edits to restart long runs of inserts.)=20

My version is uploaded here:

http://gist.github.com/481966

--
David Schoonover

On Jul 19, 2010, at 4:26 PM, Juho M=E4kinen wrote:

> I'm about to extend my two node cluster with four dedicated nodes and
> removing one of the old nodes, leaving a five node cluster. The
> cluster is in production, but I can spare it to do some stress testing
> in the meantime as I'm also interested about my cluster performance. I
> can't dedicate the cluster for the test, but the load at day time
> should be low enough not to screw with the end results too much. The
> results might come in within a few days as we'll get the nodes up -
> hopefully my tests will produce something meaningful data which can be
> applied to this issue.
>=20
> I haven't used stress.py yet, any tips on that? Could you, David, send
> me the stress.py command line which you used?
>=20
> - Juho M=E4kinen