From: Andy Colson <andy@squeakycode.net>
To: Dmitri Girski <mitek17@gmail.com>
To: pgsql-performance@postgresql.org
Subject: Re: pg_connect takes 3.0 seconds
Date: Tue, 05 Jan 2010 09:03:12 -0600
Message-ID: <4B4354B0.8030400@squeakycode.net> (raw)
In-Reply-To: <daed64561001041812s602a3098l686f630d6448835f@mail.gmail.com>
References: <daed64561001041812s602a3098l686f630d6448835f@mail.gmail.com>
On 1/4/2010 8:12 PM, Dmitri Girski wrote:
> Hi everybody,
>
> 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.
>
> I turned on logs on postgres server side, and there is
> nothing suspicious for me there. When a connection request comes, it is
> being served without any delay.
>
> Could anyone point me to the direction in which I should investigate
> this problem further?
> Thank you in advance!
>
>
> PS The hardware is: Dell SC1435/4Gb/2x2.0GHz/Gentoo Linux.
> The database & web servers are in the 2 local subnets.
>
>
> Dmitri.
>
How do you have the connect string? With an IP or a name? Maybe its a
DNS lookup timeout? You could switch to IP or drop the name in the
hosts file and see if that makes a difference.
-Andy
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To: pgsql-performance@postgresql.org
Cc: andy@squeakycode.net, mitek17@gmail.com
Subject: Re: pg_connect takes 3.0 seconds
In-Reply-To: <4B4354B0.8030400@squeakycode.net>
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