Re: [HACKERS] snapbuild woes

On 2017-05-14 14:54:37 +0200, Petr Jelinek wrote:
> On 13/05/17 22:23, Andres Freund wrote:
> >> And wait for session 3 to finish slot creation, takes about 20 mins on
> >> my laptop without patches, minute and half with your patches for 0004
> >> and 0005 (or with your 0004 and my 0005) and about 2s with my original
> >> 0004 and 0005.
> > 
> > Is that with assertions enabled or not?  With assertions all the time
> > post patches seems to be spent in some Asserts in reorderbuffer.c,
> > without it takes less than a second for me here.
> >
> 
> Right you are, I always forget to switch that off before benchmarks.

Phew ;)

> > I'm appylying these now.
> 
> Cool. Just for posterity, this also fixes the issue number 3 as the
> switch to consistent state is done purely based on xl_running_xacts and
> not decoded commits/aborts.

Cool.  Although I'm still not convinced, as noted somewhere in this
thread, that it actually did much to start with ;)

Greetings,

Andres Freund