Batch sizes?

Julian Field mailscanner at
Wed May 21 12:00:12 IST 2003

At 22:39 20/05/2003, you wrote:
>What do people think is a sensible batch size?
>I notice the default is 100 - but my feeling is this is a little too
>high if you're doing spamassassin and RBL checks. My system took a fair
>while to process that many in one go this morning - they also got mostly
>taken by the first MailScanner process, leaving the others mostly idle.
>So is it better to do doing small but quick batches? or is it better
>to do larger but longer batches? The latter results in quite a delay on
>the mail... whilst at least the former gives a reassuring trickle :-)

Remember that the batch size is also limited by the number of messages in
the queue. So if MailScanner is keeping up with your mail traffic, the
batches will be very small. It does not sit around waiting for the batch to
fill up before doing anything.
Julian Field
Professional Support Services at
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