On Tue, Jul 24, 2012 at 3:41 PM, Claudio Freire <klaussfreire(at)gmail(dot)com> wrote:
> On Tue, Jul 24, 2012 at 3:36 PM, John Lister <john(dot)lister(at)kickstone(dot)com> wrote:
>> Do you have a suggestion about how to do that? I'm running Ubuntu 12.04 and
>> PG 9.1, I've modified pg_ctlcluster to cause pg_ctl to use a wrapper script
>> which starts the postmaster using a numactl wrapper, but all subsequent
>> client processes are started with interleaving enabled as well. Any ideas
>> how to make just the postmaster process start with interleaving?
>
> postmaster should call numactl right after forking:
> http://linux.die.net/man/2/set_mempolicy
Something like the attached patch (untested)