On Thu, Jan 5, 2012 at 7:27 AM, MirrorX <mirrorx@xxxxxxxxx> wrote: > thx a lot for your advice. it's true that even under load, i havent seen any > so or si...so probably it's best to let the OS handle the situation. > > in the meantime if anyone has any idea why the OS would do such a thing, pls > share it with us. > thx The OS swaps out unused data to make room for more file system caching. -- Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin