Postfix Sluggish

[Ki Song]

> From: Alexander Dalloz <ad+lists at uni-x.org>
> Reply-To: For users of Fedora Core releases <fedora-list at redhat.com>
> Date: Fri, 04 Nov 2005 18:09:31 +0100
> To: For users of Fedora Core releases <fedora-list at redhat.com>
> Subject: Re: Postfix Sluggish
> 
> Am Fr, den 04.11.2005 schrieb Ki Song um 17:43:
> 
>> For some reason, Postfix is very slow today on my server.
>> 
>> I tried the following:
>> - mqueue. I wanted to see if there was a huge backlog of queued messages.
>> There were none.
>> - top. The cpu usage is minimal: less than 1% most of the time.
>> 
>> What other things should I look for?
> 
> Test you DNS. Often a slow resolver causes slow mail processing.

I tested sending messages by using the actual ip address as the smtp server
(so that i can bypass the dns server), and still, the sluggish performance.
To clarify, when I say sluggish, I mean that sending a message via smtp and
receiving messages via pop, takes about 10 seconds, when as recently as 2
days ago, it was sending in less than 1 second.
> 
>> Should I try and reboot the server to see if that help?
> 
> If you can afford the downtime you may try this route. But would that
> answer you what is going on actually? I feel it is better to investigate
> the causes.
> 
i restarted postfix, but still the same problem


> Alexander
> 
> 
> -- 
> Alexander Dalloz | Enger, Germany | GPG http://pgp.mit.edu 0xB366A773
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> Fedora Core 2 GNU/Linux on Athlon with kernel 2.6.11-1.35_FC2smp
> Serendipity 18:07:30 up 6 days, 16:07, load average: 0.00, 0.06, 0.02
> 
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