On Sat, Apr 19, 2014 at 01:21:29AM +0530, Atri Sharma wrote: > I feel that if there is no memory pressure, frankly it doesnt matter much > about > what gets out and what not. The case I am specifically targeting is when the > clocksweep gets to move about a lot i.e. high memory pressure workloads. Of > course, I may be totally wrong here. > > One thing that I discussed with Merlin offline and am now concerned about is > how will the actual eviction work. We cannot traverse the entire list and then > find all the buffers with refcount 0 and then do another traversal to find the > oldest one.
I thought if there was memory pressure the clock sweep would run and we wouldn't have everything at the max counter access value. -- Bruce Momjian <br...@momjian.us> http://momjian.us EnterpriseDB http://enterprisedb.com + Everyone has their own god. + -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
