On Wed, May 30, 2012 at 9:56 AM, Bruce Momjian <br...@momjian.us> wrote: > As part of a blog, I started looking at how a user could measure the > pressure on shared buffers, e.g. how much are they being used, recycled, > etc. > > They way you normally do it on older operating systems is to see how > many buffers on the free list (about to be reused) are reclaimed as > needed --- that usually indicates kernel cache pressure. Unfortunately, > we don't have a freelist, except for initial assignment of shared > buffers on startup.
Isn't that what the buffers_alloc from pg_stat_bgwriter is ? Cheers, Jeff -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
