Re: High CPU Usage since 0.6.2

2010-06-04 Thread Gary Dusbabek
Chris, Can you get me a stack dump of one of the busy nodes (kill -3)? Gary On Thu, Jun 3, 2010 at 22:50, Chris Goffinet wrote: > We're seeing this as well. We were testing with a 40+ node cluster on the > latest 0.6 branch from few days ago. > > -Chris > > On Jun 3, 2010, at 9:55 PM, Lu Ming

Re: High CPU Usage since 0.6.2

2010-06-04 Thread Lu Ming
our cassandra cluster is delpoyed in two datacenters. -- From: "Lu Ming" Sent: Friday, June 04, 2010 7:01 PM To: Subject: Re: High CPU Usage since 0.6.2 I do the Thread Dump on each cassandra node, and count the thread with call sta

Re: High CPU Usage since 0.6.2

2010-06-04 Thread Lu Ming
From: "Lu Ming" Sent: Friday, June 04, 2010 12:55 PM To: Subject: High CPU Usage since 0.6.2 I have ten 0.5.1 Cassandra nodes in my cluster, and I update them to cassandra to 0.6.2 yesterday. But today I find six cassandra nodes have high CPU usage more than 400% in my 8-core C

Re: High CPU Usage since 0.6.2

2010-06-04 Thread Lu Ming
- From: "Chris Goffinet" Sent: Friday, June 04, 2010 1:50 PM To: Cc: Subject: Re: High CPU Usage since 0.6.2 We're seeing this as well. We were testing with a 40+ node cluster on the latest 0.6 branch from few days ago. -Chris On Jun 3, 2010, at 9:55 PM, Lu Mi

Re: High CPU Usage since 0.6.2

2010-06-03 Thread Chris Goffinet
We're seeing this as well. We were testing with a 40+ node cluster on the latest 0.6 branch from few days ago. -Chris On Jun 3, 2010, at 9:55 PM, Lu Ming wrote: > > I have ten 0.5.1 Cassandra nodes in my cluster, and I update them to > cassandra to 0.6.2 yesterday. > But today I find six cass

High CPU Usage since 0.6.2

2010-06-03 Thread Lu Ming
I have ten 0.5.1 Cassandra nodes in my cluster, and I update them to cassandra to 0.6.2 yesterday. But today I find six cassandra nodes have high CPU usage more than 400% in my 8-core CPU sever. The worst one is more than 760%. It is very serious. I use jvisualvm to watch the worst node, and