[Mimedefang] some graphs

Kenneth Porter shiva at sewingwitch.com
Wed Oct 8 11:52:01 EDT 2003


--On Wednesday, October 08, 2003 2:10 AM +0200 Cor Bosman <cor at xs4all.nl> 
wrote:

> First one is Emails/Hour, next is Load, third is CPU.
>
> As you can see, around 12:00 at the beginning I took a tiny mailflow and
> added some to it (by diverting emailflow in a loadbalancer).
> It's peaking at about 12.000 emails per hour. That's about 3 emails per
> second. At that point CPU isnt stressed, load is still below 1, hovering
> around 0.6/0.7. The peaks are burst of traffic I havent really checked.
> I personally find this an acceptable level with room to spare for
> sudden abnormalities.

Why does the load average approach one while the CPU is down in the 20% 
range? Where's the bottleneck at this load?



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