> CPU was approximately equal across the cluster; it was around 50%. > > stress.py generates keys randomly or using a gaussian distribution, both > methods showed the same results. > > Finally, we're using a random partitioner, so Cassandra will hash the keys > using md5 to map it to a position on the ring.
Ok, weird. FWIW I'll try to re-produce too on EC2 (I don't really have an opportunity to test this on real hardware atm), but no promises on when since I haven't prepared cassandra boostrapping for EC2. -- / Peter Schuller