2010/1/7 Lefteris <lsidir@xxxxxxxxx>: > On Thu, Jan 7, 2010 at 3:51 PM, Ivan Voras <ivoras@xxxxxxxxxxx> wrote: >> On 7.1.2010 15:23, Lefteris wrote: >> >>> I think what you all said was very helpful and clear! The only part >>> that I still disagree/don't understand is the shared_buffer option:)) >> >> Did you ever try increasing shared_buffers to what was suggested (around >> 4 GB) and see what happens (I didn't see it in your posts)? > > No I did not to that yet, mainly because I need the admin of the > machine to change the shmmax of the kernel and also because I have no > multiple queries running. Does Seq scan uses shared_buffers? Everything uses shared_buffers, even things that do not benefit from it. This is because shared_buffers is the part of the general database IO - it's unavoidable. -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
