On Tue, Mar 27, 2012 at 5:06 PM, Joshua Berkus <j...@agliodbs.com> wrote: > In an effort to test this, we deliberately ran a pg_dump. This did grow the > cache to all available memory, but Linux rapidly cleared the cache (flushing > to disk) down to 25GB within an hour.
This would happen if some queries (or some program) briefly uses that much memory (pushing the cache off RAM). -- Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
