Re: multixact optimization patches

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?

--  Bruce Momjian  <bruce@momjian.us>        http://momjian.us EnterpriseDB
http://enterprisedb.com
 + Everyone has their own god. +