On Mon, Jan 13, 2014 at 7:36 PM, Mel Gorman <mgor...@suse.de> wrote: > That could be something we look at. There are cases buried deep in the > VM where pages get shuffled to the end of the LRU and get tagged for > reclaim as soon as possible. Maybe you need access to something like > that via posix_fadvise to say "reclaim this page if you need memory but > leave it resident if there is no memory pressure" or something similar. > Not exactly sure what that interface would look like or offhand how it > could be reliably implemented.
I don't see a reason not to make this behavior the default for WONTNEED. -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
