Andres, Jeff, >> As far as I can tell, the only downside of doing that is that, since hint >> bits might be set later, it is possible some dirty pages will get written >> unhinted and then re-dirtied by the hint bit setting, when more aggressive >> setting would have only one combined dirty write instead. But that seems >> rather hypothetical, and if it really is a problem we should probably >> tackle it directly rather than by barring other optimizations. > > I am - as evidenced - too tired to think about this properly, but I > think you might be right here. Any thoughts on a fix for this we could get into 9.2.5? -- Josh Berkus PostgreSQL Experts Inc. http://pgexperts.com -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance