[Mailman-Users] multiple emails

Jon Carnes jonc at nc.rr.com
Tue Oct 15 22:38:26 CEST 2002

The archives contain a lengthy discussion of this issue (from quite a
while back). 

What version of Mailman are you running?  You might want to upgrade at
this time if you are running a version below 2.0.13.

Also, how are the resources on your current server?  50thousand plus is
a lot of folks and it may be that it's time to upgrade your hardware.

I think that you are right about the problem being related to qrunner
and its timeout. It could simply be that it is taking soo long to
deliver a message that the lock file times out:

  # This variable specifies how long the lock will be retained 
  # for a specific operation on a mailing list.  Watch your 
  # logs/lock file and if you see a lot of lock breakages, you 
  # might need to bump this up.  However if you set this
  # too high, a faulty script (or incorrect use of bin/withlist) 
  # can prevent the list from being used until the lifetime 
  # expires.  This is probably one of the most crucial tuning 
  # variables in the system.

  # cron/qrunner lock lifetime.  This is probably the second
  # most crucial tuning variable in the system.  See the 
  # notes for LIST_LOCK_LIFETIME above.  Watch your logs/smtp
  # file and make sure that QRUNNER_LOCK_LIFETIME is set longer
  # than the longest period you see here.  It is a bad thing 
  # if multiple qrunners run at the same time.

Hope this helps!  Take care - Jon Carnes

On Tue, 2002-10-15 at 06:12, Mozzi wrote:
> Hi all
> I get the problem that on verey large lists some people get mail 2 or 
> even 4 times. (50 000+)
> I use these lists to mail users on my system.
> Now I think I know where the problem lies.
> in the config file it says this
> I s it possible that my process liftime is just to long ?
> can I fafely set it to None ?
> When setting it to none do I.....
> or.....
> Am I on the right track here or is there another cure?
> does this mean it sends mails out 300 @ a time ?
> Can I increase that to say 500?
> Tnx all
> Mozzi
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