Bruce Momjian wrote: > On Tue, Jul 29, 2014 at 03:56:19PM -0400, Alvaro Herrera wrote: > > I have just pushed two optimization patches for multixacts to HEAD only. > > I hesitate to backpatch them to 9.3 right away, but will consider doing > > so if people think differently. > > > > I also have a patch that supposedly fixes the performance regression > > reported in bug #8470, but it's considerably more obscure so I'm not > > pushing it right now. It's attached. I'd need to spend some more time > > with it to ensure it doesn't break other cases before pushing. I know > > some people is interested in this fix and thought I'd throw it out there > > to gather some input. > > > > Since it affects much of the same code as the two patches I just pushed, > > using it in 9.3 requires cherry-picking those patches, but they apply > > without conflicts so it should be easy. > > Wow, this is some very complex code. Are you closer to a decision on it?
I am not, but I note that the input (such as benchmarks) I have received on it is nil -- which is surprising given that a number of people had pinged me about this issue previously. -- Álvaro Herrera http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-hackers mailing list ([email protected]) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
