On Tue, Nov 29, 2016 at 6:20 AM, Jim Nasby <jim.na...@bluetreble.com> wrote: > On 11/28/16 11:53 AM, Joshua D. Drake wrote: >> >> On 11/28/2016 11:40 AM, Jim Nasby wrote: >>> >>> With current limits, the most bgwriter can do (with 8k pages) is 1000 >>> pages * 100 times/sec = 780MB/s. It's not hard to exceed that with >>> modern hardware. Should we increase the limit on bgwriter_lru_maxpages? >> >> >> Considering a single SSD can do 70% of that limit, I would say yes. > > > Next question becomes... should there even be an upper limit?
Looking at the log history the current default dates of cfeca621, it would be time to raise the bar a little bit more. Even an utterly high value could make sense for testing. -- Michael -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
