From: Brandon Hilkert (bhilkertvt.edu)
Date: Mon Mar 23 2009 - 17:15:13 CDT

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----- Original Message -----
From: "Victor Duchovni" <Victor.Duchovnimorganstanley.com>
To: <postfix-userspostfix.org>
Sent: Monday, March 23, 2009 5:57 PM
Subject: Re: Mail drop

> On Mon, Mar 23, 2009 at 05:54:07PM -0400, Brandon Hilkert wrote:
>
>>> dkim-milter is one program that you are asking to sign lots of
>>> messages in parallel. To implement parallelism, dkim-milter uses
>>> mutiple threads in one process. To keep the threads from tripping
>>> over each other, dkim-milter uses locks. With a bit of bad luck,
>>> your DKIM requests are blocking each other.
>>
>> Is there nothing I can do to either improve or prevent this?
>
> MEASURE! Find out what is slowing it down. When you know what that
> is, ask the question again.

What are the best tools to get a feel for hardware performance and
utilitization? Top, atop, vmstat ?

As you can probably tell, I don't have much experience working with Linux.
If you feel like this is a question not worth the time, then don't feel like
you have to respond.

>
> --
> Viktor.
>
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> If my response solves your problem, the best way to thank me is to not
> send an "it worked, thanks" follow-up. If you must respond, please put
> "It worked, thanks" in the "Subject" so I can delete these quickly.

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