Hi Tom,

The timing is around 3.0 seconds
Time=3.0037
Time=3.4038
Time=3.0038
Time=3.004
Time=3.2037
Time=3.0039
Time=3.0034
Time=3.0034
Time=3.2039
Time=3.0044
Time=3.8044
Time=3.2034

I don't think that it could relate to DNS problem as I tried 2 methods which
does not use name resolution ( hosts file & ip address)
I will definitely seek the help from network geeks and I will check all TCP
stack settings.

Thank you!

Cheers,
Dmitri.


On Tue, Jan 5, 2010 at 4:14 PM, Tom Lane <t...@sss.pgh.pa.us> wrote:

> Dmitri Girski <mite...@gmail.com> writes:
> > I am running a PostgreSQL server 8.3.5 with a pretty much standard
> config.
>
> > The web application server which runs Apache 1.3/PHP2.9  has an
> intermittent
> > problem:
> > pg_connect takes exactly 3.0 seconds. The usual connection time is
> 0.0045.
> > The long request happens at approximate rate 1:100.
>
> Sounds a lot like a dropped-packets problem.  The exact timing would be
> explained if that is the retransmit timeout in your client-side TCP
> stack.  If that's what it is, you need some network engineers, not us
> database geeks ...
>
>                        regards, tom lane
>



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