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well I have very strange sendmail behaviour some times it sends 200+ emails/sec |
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and some times down to 30 emails/sec, and can't figure it out what's the issue |
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! |
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using sendmail for mailing list purpose |
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|
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-k |
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Quoting Andrew Cowie <andrew@×××××××××××××××××××.com>: |
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> On Thu, 2005-19-05 at 09:45 -0500, kashani wrote: |
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> |
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> > Email throughput is highly dependent on how you're generating the |
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> > emails, RAM, disk I/O, number of emails sitting in your queue, how |
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> > you've ordered your emails, whether bounce handling is local or on |
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> > another server, spam filtering if any, and your server software. Even |
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> > the speed of your DNS server can start to play a part. |
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> |
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> This is all astute commentary. I agree with all of it. Fine tuning an |
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> email system (or any production platform) takes ... finesse. It's not |
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> about "installing this software or that software", but about |
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> understanding the behaviour of your system as a whole, and then tuning |
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> the performance from a position of knowledge, not from one of |
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> assumption. |
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> |
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> > 30/sec puts you a bit above 2.5 million a day which is probably the top |
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> > end of what you might see in the real world. |
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> |
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> Certainly seems a reasonable score. |
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> |
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> I've run 3-5 million emails a day through a platform based on Qmail. |
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> Qmail has architectural bottlenecks on how it processes new messages; |
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> likewise you need to take care to shunt traffic to misbehaving domains |
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> to alternate queues - but making it sing was little to do with Qmail |
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> itself and very much to do with knowing what the group of systems as a |
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> whole were doing and making informed judgements thereon. |
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> |
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> AfC |
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> Sydney |
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> |
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> -- |
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> Andrew Frederick Cowie |
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> |
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> Technology strategy, managing change, establishing procedures, |
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> and executing successful upgrades to mission critical business |
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> infrastructure. |
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> |
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> http://www.operationaldynamics.com/ |
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> |
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> Sydney New York Toronto London |
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> |
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> -- |
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> gentoo-server@g.o mailing list |
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> |
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> |
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