On Fri, Nov 4, 2011 at 3:54 PM, Robert Haas <robertmhaas@xxxxxxxxx> wrote: > On Fri, Nov 4, 2011 at 2:45 PM, Claudio Freire <klaussfreire@xxxxxxxxx> wrote: >> I don't think 1 second can be such a big difference for the bgwriter, >> but I might be wrong. > > Well, the default value is 200 ms. And I've never before heard of > anyone tuning it up, except maybe to save on power consumption on a > system with very low utilization. Nearly always you want to reduce > it. Will try >> The wal_writer makes me doubt, though. If logged activity was higher >> than 8MB/s, then that setting would block it all. >> I guess I really should lower it. > > Here again, you've set it to ten times the default value. That > doesn't seem like a good idea. I would start with the default and > tune down. Already did that. Waiting to see how it turns out. -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
