* Scott Marlowe: > On a machine with lots of memory, I've run into pathological behaviour > with both the RHEL 5 and Ubuntu 10.04 kernels where the kswapd starts > eating up CPU and swap io like mad, while doing essentially nothing. > Setting swappiness to 0 delayed this behaviour but did not stop it. > Given that I'm on a machine with 128G ram, I just put "/sbin/swapoff > -a" in /etc/rc.local and viola, problem solved. Was this NUMA machine? Some older kernels can only migrate pages between nodes through swap. -- Florian Weimer <fweimer@xxxxxx> BFK edv-consulting GmbH http://www.bfk.de/ Kriegsstraße 100 tel: +49-721-96201-1 D-76133 Karlsruhe fax: +49-721-96201-99 -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general