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From: Brandon Hilkert (bhilkertvt.edu)
Date: Fri Mar 20 2009 - 12:32:26 CDT
----- Original Message -----
From: "Victor Duchovni" <Victor.Duchovnimorganstanley.com>
Sent: Friday, March 20, 2009 1:20 PM
Subject: Re: Performance tuning
> On Fri, Mar 20, 2009 at 01:01:55PM -0400, Brandon Hilkert wrote:
>> I've been running everything from scripts, hoping to zero in on the
> How many messages are you sending in parallel in the injector scripts?
My local script on the postfix machine itself. It's just a single shell
script in a for loop.
Is there a better way to test?
> SMTP is a high latency half-duplex protocol, and a single injector will
> never stress the capacity of the Postfix SMTP server. On a low delay,
> high bandwidth network link, you need around 10 parallel injectors to
> before you get anywhere near peak server throughput.
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