On 10 May 2013 15:04, Merlin Moncure <[email protected]> wrote: > right. hm, I guess this is something to keep in mind if you start > going down the path of 'keep frequently accessed buffers pinned for > longer durations -- possibly even forever'.
Just to mention that this scenario effectively starves anybody wanting a cleanup lock, which was the reason we put in logic to VACUUM to skip busy pages. We just need to extend that thought to page level cleanup also. -- Simon Riggs http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-hackers mailing list ([email protected]) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
