On Tue, Aug 26, 2014 at 9:57 AM, Scott Marlowe <scott.marlowe@xxxxxxxxx> wrote: > On Tue, Aug 26, 2014 at 9:27 AM, Dhruv Shukla <dhruvshukla82@xxxxxxxxx> wrote: > >> On viewing server logs on postgres server found the error as >> FATAL: connection to client lost >> >> There has been some improvements, like few of the getting stuck DB functions >> ran good. But the main ones are still failing. > > This sounds like a firewall issue to me, but it could be a backend > running out of memory and the oom killer in linux killing it. I > believe oom killer logs to /var/log/syslog or /var/log/messages. Got > anything in those logs about that time for the oom killer? > > If not, it could be a firewall, if you have one, between the app and > db boxes. If that's the case you can stop it from happening by > lowering the tcp keepalive settings. Please note that the oom killer is deadly to a postgres box, as it can kill the postmaster which is a bad thing. It should be disabled by setting vm.overcommit_memory=2 in /etc/sysctl.conf and running sysctl -p -- To understand recursion, one must first understand recursion. -- Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin