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From Daniel Bruegge <>
Subject Cassandra on heterogeneous servers
Date Mon, 09 Jan 2012 14:42:35 GMT

I am currently running 4 cassandra nodes with the following hardware

- AMD Athlon 64 X2 6000+
- 8G RAM
- 750G hard disk

It shows not such a good writing performance and a really bad read
performance with sometimes also timeouts. I was wondering if it makes
sense to add 2 nodes with a different hardware (8 CPUs and more RAM)
to improve this. Or does a cassandra cluster works best with the same
hardware in every node?

Thanks & best regards


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