Re: Major performance problem after upgrade from 8.3 to 8.4 - Mailing list pgsql-performance

Gerhard Wiesinger <lists@wiesinger.com> writes:
> On Fri, 3 Sep 2010, Tom Lane wrote:
>> Not even in that pgstartup.log file you sent stderr to?

> Yes, also the redirected log file is empty. Also kernel log is empty.

Huh.  Try strace'ing the process to see what it's doing.

> BTW: Shared memory can't be any issue?

If you're not getting any log messages at all, you've got worse problems
than shared memory.

            regards, tom lane