ivan <iv(at)psycho(dot)pl> writes:
> i need to connect to by my database more then 100 connections,
> but after ~20-30 conn, postmaster says me "Resource temporarily
> unavailable", what are this resource ?
First bet is that you are running into a maximum-number-of-processes-
per-user limit imposed by "ulimit -u".
It's also possible that you need more RAM or swap space.
regards, tom lane