Date: Tue, 19 Mar 1996 12:05:09 +0200 (SAT) From: Johann Tonsing <jtonsing@mikom.csir.co.za> To: hackers@freebsd.org Subject: Apology for "message added to archive" messages Message-ID: <199603191005.MAA02594@zibbi.mikom.csir.co.za>
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Please accept my apology for the recent spate of "Your message was added to
the archive" messages. These mail messages were automatically generated by
a mailing list archiver. I was not aware that this was happening. Thanks
to Poul-Henning Kamp for pointing out the problem. (To be fair to myself, I
must mention that the default configuration file enables this behaviour -
and who has the time to read manuals in their entirety anyway. I'm taking
full responsibility and blame - all the "debit" - however.)
Everybody over here had a good laugh at my expense. I've collected as many
dunce-type trophies as I could find and am "proudly" displaying them on top
of my monitor. My kind colleagues suggested that I get a 10.x.x.x IP address.
Perhaps plugging out the Ethernet card would be safer. Or is a brain
transplant the answer?
Here's some more background to the "incident". I have been evaluating
mailing list archiving software, specifically software to convert mailing
list archives to HTML format. Due to the high traffic on the FreeBSD
mailing lists, the Hypermail package, which generates a threaded index, was
using too much CPU time. An alternative package is MHOnArc, which takes
more CPU time per message added for small archives, but for which the time
taken per message increases more slowly as the archive size increases. I've
been testing the packages using more than 1000 messages of the FreeBSD
Hackers archive. Since the programs generate seperate files for each
message, running the programs and using
ls -lT | cut -c48-55 | sort |
awk -F: '{x=($1*60+$2)*60+$3; if(NR>1) {print x-y;} y=x;}' | sort
and gnuplot results in a graph of time taken per message vs number of
messages in archive. The problem is that the time taken per message increases
exponentially with archive size for the packages that do threading.
As the MailArchive software does not generate a threaded index, this
package seems quite attractive - except for the occurrence of
some "interesting" effects unless one comments out the
MailCommand: /usr/bin/mail -s \"MailArchive Reply\" $Sender < $MailMessage
line in the config file.
Apologies yet again.
Regards
Johann
--
jtonsing@mikom.csir.co.za, Fax: Int+27 12 841-4570,
S-mail: 173 Duxbury Rd, Hillcrest, 0083 Pretoria, South Africa.
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