[Mailman-Users] Slow Processing/Delivery
Jason Rotunno
jrotunno at swarthmore.edu
Thu Dec 14 21:23:25 CET 2006
Hi,
We're experiencing some significant delays with our mailman lists. Some
messages are delivered instantly, while others can take hours (or over a
day) before it's delivered. For example, a message came in at 4:07am and
was passed on to mailman for processing:
Dec 13 04:07:43 cork postfix/nqmgr[30962]: 45D6040050: from=<XXXX at XXXX>,
size=28307, nrcpt=1 (queue active)
Dec 13 04:07:43 cork postfix/local[18473]: 45D6040050: to=<star at XXXX>,
relay=local, delay=1, status=sent ("|/var/mailman/mail/mailman post star")
The mail wasn't actually sent out from the mailman list until 2:25pm,
though:
Dec 13 14:25:20 cork postfix/nqmgr[30962]: BE6DC3FCCD:
from=<star-bounces at XXXX>, size=29664, nrcpt=7 (queue active)
Dec 13 14:25:20 cork postfix/nqmgr[30962]: C85E53FCCE:
from=<star-bounces at XXXX>, size=29688, nrcpt=1 (queue active)
Dec 13 14:25:20 cork postfix/nqmgr[30962]: CFDB03FCCF:
from=<star-bounces at XXXX>, size=29664, nrcpt=8 (queue active)
Dec 13 14:51:34 cork postfix/nqmgr[30962]: C85E53FCCE:
from=<star-bounces at XXXX>, size=29688, nrcpt=1 (queue active)
We're running about 8-10 mailing lists, with membership numbers ranging
from a dozen members to about 1,000 (though there isn't much activity on
any of them), and our MTA is postfix. The delays aren't confined to one
list and they're not consistent. I don't believe there are mail delivery
delays with messages not sent to mailman. Does mailman do any kind of
prioritizing depending on system load?
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