diabloneo(at)gmail(dot)com writes:
> During the daytime, there are about 300 postgres processes running, work as
> expected. On 00:00 each day, there will be about 200 more postgresql
> processes created, now totally about 500. And from that time, thoese working
> processes are all blocked on semop function. I check this using pstack
> command, and also check the output of ipcs -s [-i]. After this has happened,
> all new connection will stay in state authentication.
And your authentication setup is ...?
regards, tom lane