On 2014-06-04 10:24:13 +0530, Amit Kapila wrote: > On Tue, Jun 3, 2014 at 5:43 PM, Gurjeet Singh <gurj...@singh.im> wrote: > > On Tue, Jun 3, 2014 at 7:57 AM, Robert Haas <robertmh...@gmail.com> wrote: > > > It seems like it would be best to try to do this at cluster startup > > > time, rather than once recovery has reached consistency. Of course, > > > that might mean doing it with a single process, which could have its > > > own share of problems. But I'm somewhat inclined to think that if > > > recovery has already run for a significant period of time, the blocks > > > that recovery has brought into shared_buffers are more likely to be > > > useful than whatever pg_hibernate would load. > > > > I am not absolutely sure of the order of execution between recovery > > process and the BGWorker, but ... > > > > For sizeable shared_buffers size, the restoration of the shared > > buffers can take several seconds. > > Incase of recovery, the shared buffers saved by this utility are > from previous shutdown which doesn't seem to be of more use > than buffers loaded by recovery.
Why? The server might have been queried if it's a hot standby one? Greetings, Andres Freund -- Andres Freund http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-hackers mailing list (firstname.lastname@example.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers