RE: Cassandra periodically stops responding to write requests under load

2013-06-14 Thread James Lee
o: user@cassandra.apache.org Subject: Re: Cassandra periodically stops responding to write requests under load On Fri, Jun 14, 2013 at 7:19 AM, James Lee wrote: > I'm seeing generally good performance, but with periods where the > Cassandra node entirely stops responding to write reque

Re: Cassandra periodically stops responding to write requests under load

2013-06-14 Thread Robert Coli
On Fri, Jun 14, 2013 at 7:19 AM, James Lee wrote: > I’m seeing generally good performance, but with periods where the Cassandra > node entirely stops > responding to write requests for several seconds at a time. I don’t have > much experience of Cassandra performance tuning, and would very much

RE: Cassandra periodically stops responding to write requests under load

2013-06-14 Thread S C
How big is your HEAP? From: as...@outlook.com To: user@cassandra.apache.org Subject: RE: Cassandra periodically stops responding to write requests under load Date: Fri, 14 Jun 2013 10:09:24 -0500 What version of Cassandra are you using? Did you look if Cassandra is under going GC? -SC From

RE: Cassandra periodically stops responding to write requests under load

2013-06-14 Thread S C
What version of Cassandra are you using? Did you look if Cassandra is under going GC? -SC From: james@metaswitch.com To: user@cassandra.apache.org Subject: Cassandra periodically stops responding to write requests under load Date: Fri, 14 Jun 2013 14:19:57 + Hello, I have been

Cassandra periodically stops responding to write requests under load

2013-06-14 Thread James Lee
Hello, I have been doing some scripted load testing of Cassandra as part of determining what hardware to deploy Cassandra on for the particular load profile our application will generate. I'm seeing generally good performance, but with periods where the Cassandra node entirely stops respondi