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From horschi <>
Subject Re: Cassandra vs Couchbase benchmarks
Date Mon, 01 Oct 2012 15:48:08 GMT
Hi Andy,

things I find odd:

- Replicacount=1 for mongo and couchdb. How is that a realistic benchmark?
I always want at least 2 replicas for my data. Maybe thats just me.
- On the Mongo Config slide they said they disabled journaling. Why do you
disable all safety mechanisms that you would want in a production
environment? Maybe they should have added /dev/null to their benchmark ;-)
- I dont see the replicacount for Cassandra in the slides. Also CL is not
specified. Imho the important stuff is missing in the cassandra
- In the goals section it said "more data than RAM". But they only have
12GB data per node, with 15GB of RAM per node!

I am very interested in a recent cassandra-benchmark, but I find this
benchmark very disappointing.


On Mon, Oct 1, 2012 at 5:05 PM, Andy Cobley

> There are some interesting results in the benchmarks below:
> Without starting a flame war etc, I'm interested if these results should
> be considered "Fair and Balanced" or if the methodology is flawed in some
> way ? (for instance is the use of Amazon EC2 sensible for Cassandra
> deployment) ?
> Andy
> The University of Dundee is a Scottish Registered Charity, No. SC015096.

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