On Sun, May 25, 2014 at 1:26 PM, Dimitris Karampinas <dkarampin@gmail.com> wrote:
My deployment is "NUMA-aware". I allocate cores that reside on the same socket. Once I reach the maximum number of cores, I start allocating cores from a neighbouring socket.
I'm not sure if it solves your issue, but on a NUMA environemnt and recent version of Linux kernel, you should try to disable vm.zone_reclaim_mode, as it seems to cause performance degradation for database workloads, see [1] and [2].