If you have not seen it already, checkout the Netflix blog post on their performance testing of AWS SSD instances.
http://techblog.netflix.com/2012/07/benchmarking-high-performance-io-with.html My guess, based on very little experience, is that you will be CPU bound. On 04/12/2013 03:05 AM, Jabbar Azam wrote: > Hello, > > I'm going to be building a 20 node cassandra cluster in one > datacentre. The spec of the servers will roughly be dual core Celeron > CPU, 256 GB SSD, 16GB RAM and two nics. > > > Has anybody done any performance testing with this setup or have any > gotcha's I should be aware of wrt to the hardware? > > I do realise the CPU is fairly low computational power but I'm going > to assume the system is going to be IO bound hence the RAM and SSD's. > > > Thanks > > Jabbar Azam -- *Colin Blower* /Software Engineer/ Barracuda Networks Inc. +1 408-342-5576 (o)
