Re: performance problems on new cluster

2011-08-15 Thread Anton Winter
OK, node latency is fine and you are using some pretty low consistency. You said NTS with RF 2, is that RF 2 for each DC ? Correct, I'm using RF 2 for each DC. I was able to reproduce the cli timeouts on the non replica nodes. The debug log output from dc1host1 (non replica node): DEBUG [po

Re: performance problems on new cluster

2011-08-11 Thread Anton Winter
Is there a reason you are using the trunk and not one of the tagged releases? Official releases are a lot more stable than the trunk. Yes, as we are using a combination of Ec2 and colo servers we are needing to use broadcast_address from CASSANDRA-2491. The patch that is associated with tha

performance problems on new cluster

2011-08-11 Thread Anton Winter
Hi, I have recently been migrating to a small 12 node Cassandra cluster spanning across 4 DC's and have been encountering various issues with what I suspect to be a performance tuning issue with my data set. I've learnt a few lessons along the way but I'm at a bit of a roadblock now where I