[Mailman-Users] big lists, big messages

[Ian White]

On Sat, 12 May 2001, Chuq Von Rospach wrote:

> I ran lists larger than that on majordomo. You can run them on mailman,
> also, but with 2.0, you need to set things up properly -- out of the box,
> you may well have some problems with mailman and lists of that size. The two
> issues are the single-threaded delivery (which means nothing else happens
> while it's delivering that list, which can be a problem if the server does a
> lot of different lists) and the length it takes to deliver, which can cause
> qrunner locks to time out, which can lead to duplicated delivery and chaos
> -- easy to fix by tweaking a few variables, if you know to look for it.

Which variables should be changed? It looks like the following could use
some changes:
SMTP_MAX_RCPTS = 500
MAX_DELIVERY_THREADS = 0

and the lock management defaults.

Any suggestions for tuning these other than what is listed in the
Defaults.py file?

Ian