[Mailman-Developers] Thoughts on splitting qrunner
Chuq Von Rospach
Fri, 8 Dec 2000 10:49:40 -0800
At 12:51 PM -0500 12/8/00, Barry A. Warsaw wrote:
I like it.
I'd like to suggest one other thing for qrunner. Make qrunner the
queue-mom (so to speak), and have it manage what gets spawned when.
The idea is that we end up with a single cron entry that fires every
minute. that thing looks around and decides what needs to be spawned
-- sort of sucking cron into mailman.
Why not use cron? Here are a few reasons:
1) tweaking stuff in cron requires someone with CLI access, so it
falls on the site admin to do things. By sucking cron into mailman,
you can add a web access to all of this, which allows it to be
2) down the road, I see a strong positive in being able to split this
stuff out further, on a per-list basis for at least some stuff. the
current cron-based setup is monolithic to the system, unless you want
a cron file the size of a small truck, and in that case, maintenance
3) It makes the whole queing system less sensitive to upgrades
(either by losing your customizations by re-installing the generic
cron file, or forgetting to install the updated cronfile, or not
realizing that the upgrade has a new cron file that needs to be
merged with your custom changes ot the existing cron processes) -- it
makes it a lot easier to manage for the admin, plus it allows us as
developers to write tools to auto-update the queueing stuff if
needed. With cron -- good luck..
Chuq Von Rospach - Plaidworks Consulting (mailto:firstname.lastname@example.org)
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