Is there anything else running on the boxes? Can you show us the output of ps aux for the Cassandra process so we can see the -xmx, etc? JDK 7 may help, even if you cannot upgrade Cassandra yet (which I would really recommend since it moves items off-heap).--On Sat, Mar 22, 2014 at 4:01 PM, prem yadav <firstname.lastname@example.org> wrote:
Upgrading is not possible right now. Any other suggestions guys?I have already tried reducing the number of rpc threads. Also tried reducing the linux kernel overcommit.On Sat, Mar 22, 2014 at 5:44 PM, Laing, Michael <email@example.com> wrote:I ran into the same problem some time ago.Upgrading to Cassandra 2, jdk 1.7, and default parameters fixed it.I think the jdk change was the key for my similarly small memory cluster.mlOn Sat, Mar 22, 2014 at 1:36 PM, prem yadav <firstname.lastname@example.org> wrote:
Michael, no memory constraints. System memory is 4 GB and Cassandra run on default.On Sat, Mar 22, 2014 at 5:32 PM, prem yadav <email@example.com> wrote:
Its Oracle jdk 1.6.Robert, any fix that you know of which went into 1.2.15 for this particular issue?