From: | Magnus Hagander <magnus(at)hagander(dot)net> |
---|---|
To: | "Marc G(dot) Fournier" <scrappy(at)hub(dot)org> |
Cc: | pgsql-www(at)postgresql(dot)org |
Subject: | Re: svr1 mail timeouts ... |
Date: | 2007-08-27 08:21:00 |
Message-ID: | 20070827082100.GA29369@svr2.hagander.net |
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Lists: | pgsql-www |
On Sat, Aug 25, 2007 at 04:25:14PM -0300, Marc G. Fournier wrote:
> 'k, after getting some real information from Stephan, took a look at the
> machine ... Postfix sets a default max # of concurrent incoming smtpd
> connections to 100, right now, its sitting at 91 ...
>
> I suspect that what is/was happening was that it was hitting 100 and stalling
> on the other connections, including the nagios check ...
>
> I've just raised it to 256, and we'll see if that doesn't eliminate the
> timeouts ...
Interesting (and it hasn't bitched in a while, so it looks like the right
direction).
Any idea what's using up all those connections? 91 *incoming* connections
is very much, especially since the box doesn't exactly *receive* a lot of
mails (it sends a whole lot, but that's a different limit).
(For example, I have a fairly high-traffic mail server that certainly
receives at least an order of magnitude more email than svr1 does, and
it's running at 5-6 receiving processes normally)
Perhaps it's something a config change can rid us of?
//Magnus
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