On Wed, Nov 26, 2014 at 4:35 PM, Alvaro Herrera <alvherre@2ndquadrant.com>
wrote:
> Maxim Boguk wrote:
>
> > After careful examination of strace output I found one strange thing:
> > constant flow of:
> > 16:22:33.202523 read(3, 0x7fff4148a5b0, 16) = -1 EAGAIN (Resource
> > temporarily unavailable)
>
> Uh. What is on fd 3? (check /proc). If it's the stat socket, maybe
> you're having network issues with localhost UDP connections or
> something.
>
It's pipe to itself:
root@db13:~# ls -la /proc/26933/fd/ | grep 1343367616
lr-x------ 1 postgres postgres 64 Nov 26 16:54 3 -> pipe:[1343367616]
l-wx------ 1 postgres postgres 64 Nov 26 16:54 6 -> pipe:[1343367616]
--
Maxim Boguk
Senior Postgresql DBA
http://www.postgresql-consulting.ru/ <http://www.postgresql-consulting.com/>