> > Taking this one to -hackers once and for all now...
> >
> > Can you try the attached patch? See how many backends you can get up to.
>
> Regression tests run just fine, and I've run multiple pgbench runs with
> 3 and 4 sessions of 100 connections each*, with pgAdmin monitoring
> things at the same time. Saw up to 403 simultanteous connections in
> pg_stat_activity, and the system remained stable and responsive, albeit
> somewhat slower than normal.
What was the memory space consumption of the postmaster process, and compared to without the patch?
VM size in taskmgr should show that I think, and should show a much smaller footprint now..
/Magnus