On Tue, Nov 29, 2011 at 1:42 AM, YAMAMOTO Takashi <y...@mwd.biglobe.ne.jp> wrote: >> On Mon, Nov 7, 2011 at 5:26 PM, Simon Riggs <si...@2ndquadrant.com> wrote: >> >>>> 5. Make the WAL writer more responsive, maybe using latches, so that >>>> it doesn't take as long for the commit record to make it out to disk. >>> >>> I'm working on this already as part of the update for power >>> reduction/group commit/replication performance. >> >> I extracted this from my current patch for you to test. > > is it expected to produce more frequent fsync?
Yes, I would expect that. What kind of increase are you seeing? Is it causing a problem for you, or are you just making an observation? -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
