Oleg Bartunov <oleg(at)sai(dot)msu(dot)su> writes:
>> Hmm, I see a postmaster with 8 open files and one backend with 34.
>> Doesn't look out of the ordinary to me.
> I see 617 open files (using lsof| grep post | wc).
> This is a Linux 2.0.37, postgres 6.5.3, 1 postamster and
> 10 backends.
About 60 FDs per backend, then. That sounds fairly reasonable to me;
that's probably what fd.c thinks it should limit its usage to on your
platform.
regards, tom lane