On 2015-12-09 16:30:47 +0900, Michael Paquier wrote: > > I'm kinda wondering if it wouldn't have been better to go through shared > > buffers in ResetUnloggedRelationsInDbspaceDir() instead of using > > copy_file(). > > For deployment with large shared_buffers settings, wouldn't that be > actually more costly than the current way of doing? We would need to > go through all the buffers at least once and look for the INIT_FORKNUM > present to flush them.
We could just check the file sizes on disk, and the check for the contents of all the pages for each file. -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
