Thanks, that is a good set of data points! On Thu, Oct 7, 2010 at 6:27 PM, Corey Hulen <c...@earnstone.com> wrote: > > I recently posted a blog article about Cassandra and EC2 performance testing > for small vs large, EBS vs ephemeral storage, compared to real HW with and > without an SSD. Hope people find it interesting. > http://www.coreyhulen.org/?p=326 > Highlights: > > The variance in test results from run to run on EC2’s virtual hardware > fluctuates A LOT. > EC2 is a finicky beast, but we like it. > Not all EC2 instances (for the same size ie. small) are created equal. > Large instances are not 4x as fast as small instances (even though they are > 4x the price). > Kind of obvious, but real hardware is better…and yea SSD’s kick butt. > Automated scripts included. Please have at it and reproduce the results > with different configurations. > > Thanks, > -Corey > >
-- Jonathan Ellis Project Chair, Apache Cassandra co-founder of Riptano, the source for professional Cassandra support http://riptano.com
