[Mailman-Users] suppress duplicate when posting addressedtolistand its alias name

Sahil Tandon sahil+mailman at tandon.net
Thu Nov 8 04:02:57 CET 2012

On Tue, 2012-11-06 at 18:02:27 -0800, Mark Sapiro wrote:

> Sahil Tandon wrote:
> ...
> >Obviously, this would result in a lot of pickles that are constantly
> >opened, edited (and, periodically cleansed), and closed.  Is the
> >performance cost/benefit prohibitive?
> Whether the cost is prohibitive depends on how many messages per
> minute, hour, day, etc you process through the list. I think it could
> work. The 'in-memory dictionary would also work as long as you are
> running with the default single qrunner per queue except for the rare
> case where the duplicates are processed one on each side of a restart.
> Note as an implementation for the file name (path) derived from the
> list's internal_name, I would just use a fixed file name, e.g.,
> message-ids.pck in the existing lists/internal_name()/ directory.

Thanks; this custom handler is now in testing and working well so far.
I appreciate your help.

Sahil Tandon

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