Re: GC Exceptions and cluster nodes are dying

2010-12-08 Thread Jonathan Ellis
Cut your memtable thresholds (throughput and ops) in half. See "describe keyspaces" and "update keyspace" in the cli. On Wed, Dec 8, 2010 at 9:18 AM, Amin Sakka, Novapost wrote: > Thanks for your answer Aaron, > > I'm now on the RC1, I have no longer the ActiveCount error, however my > nodes st

Re: GC Exceptions and cluster nodes are dying

2010-12-08 Thread Amin Sakka, Novapost
Thanks for your answer Aaron, I'm now on the RC1, I have no longer the ActiveCount error, however my nodes still dying under bulk insertion. I have modified my nodes configuration (all of them has now 2GB Heap size). The nodes still under heavy pressure and they dies after a random timeout (somet

Re: GC Exceptions and cluster nodes are dying

2010-12-01 Thread Aaron Morton
Running nodes with different JVM heap sizes would not be recommended practice, for many reasons. Nor would I recommend running them with all the memory the machine has, it will just lead to the OS swapping the JVM out to disk and considerable slow things down.I would suggest a heap size of 1.5 or 2