[Mailman-Users] 30,000 Member List - Python Pickle Performance

[Dave Stern - Former Rocket Scientist]

On Thu, 9 Sep 2004, Hunter Hillegas wrote:

> I am seeing very high CPU usage when sending a message to my list and also
> when viewing members in the Web interface.
>
> The list has 30,000 members.
>
> Is this due to the pickle based persistence mechanism used? Can I do
> anything to help?
>

Regarding sending, you'll probably wanna tune your MTA. I had an 11,000
list that affective hung a Sun U10. With some sendmail magic, I was actually
able to get it to handle the load. This included setting up multiple queues
with specifically sized queue runners.

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  David Stern                                    University of Maryland
            Institute for Advanced Computer Studies