[R] Re: ... Outbound e-mail slow from R servers ...
maechler at stat.math.ethz.ch
Fri Apr 4 19:02:21 CEST 2003
About a day ago, I wrote
to R-devel (and Marc) :
>>>>> "MM" == Martin Maechler <maechler at stat.math.ethz.ch>
>>>>> on Thu, 3 Apr 2003 18:36:12 +0200 writes:
>>>>> "Marc" == Marc Schwartz <mschwartz at medanalytics.com>
>>>>> on Thu, 03 Apr 2003 09:24:20 -0600 writes:
Marc> Not sure if you are aware of this, but since yesterday
Marc> there seems to be multi-hour delays in outbound e-mail
Marc> from r-help and r-devel. Inbound mail seems to show
Marc> up on the archive OK.
Marc> I am just now getting posts from late yesterday my
Marc> time. My post to r-devel on RH9 yesterday morning did
Marc> not show up back to me until last night (my time).
MM> Indeed that helped a bit, particularly since I'm in a
MM> two day course today and tomorrow and haven't had time
MM> to look closely.
MM> What happened is that the mailman software has
MM> occasionally been producing too long delays (of e.g.,
MM> half an hour, even for R-core with 17 addresses!), for
MM> quite a few weeks now -- which it didn't several weeks
MM> ago. The first thing I was advised to try was to revert
MM> the mailman and sendmail settings to their defaults --
MM> which I had done yesterday. Additionally, yesterday a
MM> big part of ETH had severe network problems during noon
MM> time -- hence it wasn't too easy to find out which
MM> timeouts where caused by what.
MM> I have now re-reverted the mailman settings to what they
MM> were before yesterday, and will start tackling the
MM> "only" halfhour delays (which I think come from the
MM> different qrunner setup that mailman 2.1.x is using --
MM> which is active since about March 4).
MM> Thanks for adverting me!
and the really bad thing that happened was that I had somehow
managed to almost stop mailman delivery ...
I have restarted and things seem to got working much better
about an hour ago, and I've received many list mails myself
since -- most delayed for more than a day...
I'm very sorry about that and hope it hasn't caused too much grief.
Martin Maechler <maechler at stat.math.ethz.ch> http://stat.ethz.ch/~maechler/
Seminar fuer Statistik, ETH-Zentrum LEO C16 Leonhardstr. 27
ETH (Federal Inst. Technology) 8092 Zurich SWITZERLAND
phone: x-41-1-632-3408 fax: ...-1228 <><
PS: This still applies:
MM> BTW: If anyone has time for writing a small perl or
MM> python script that automatically retrieves the mailman
MM> delay from the two "Received:" headers in each message
MM> that contain "hypatia" -- I'd be quite grateful..
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