Measuring spare capacity

Julian Field mailscanner at ecs.soton.ac.uk
Tue Dec 7 15:49:27 GMT 2004


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MailScanner wrote:

>This surprised me. I was expecting the batch size to grow during busy
>periods. It seems that the batch size is generally a single message,
>even though more messages are waiting to be processed. Looking at log
>snippets in the mailing list archives confirms that this is common.
>Looking at the time distribution of (rather rare) larger batches I found
>these spread randomly over the day.
>
>
You will often get the situation where there are apparently more
messages waiting than are picked up for processing. The "messages found"
figure includes messages that are still in the process of being
received, whereas the batch size can only include messages that have
been completely received.

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Julian Field
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