[AMaViS-user] Timing issues

We've recently upgraded our mail system (Postfix 2.2.8, amavisd-new 2.3.3) and
I'm seeing some timeout issues. Now and then Postfix will mail me with "queue
file write error" which from what I found can also be a problem with the
pre-queue filter (this is how we're configured). I turned up the debugging in
amavisd-new and saw this series of lines today:

Feb 14 13:22:40 mercury postfix/smtpd[27454]: connect from unknown[59.92.33.126]
Feb 14 13:22:41 mercury postfix/smtpd[27454]: NOQUEUE: client=unknown[59.92.33.126]
Feb 14 13:22:41 mercury amavis[25023]: (25023-08) ESMTP::10024 /var/amavis/amavis-20060214T122505-25023: <hwag@beijinduck.com> -> <vijay@astro.princeton.edu> Received: from mail.astro.princeton.edu ([127.0.0.1]) by localhost (mercury.astro.Princeton.EDU [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 25023-08 for <vijay@astro.princeton.edu>; Tue, 14 Feb 2006 13:22:41 -0500 (EST)
....
Feb 14 13:27:41 mercury amavis[25023]: (25023-08) ESMTP ABORTING: timed out
Feb 14 13:27:41 mercury amavis[25023]: (25023-08) TIMING [total 300433 ms] - SMTP EHLO: 3 (0%)0, SMTP pre-MAIL: 1 (0%)0, SMTP pre-DATA-flush: 461 (0%)0, unlink-0-files: 299967 (100%)100, rundown: 0
(0%)100
Feb 14 13:27:41 mercury amavis[25023]: (25023-08) ESMTP: NOTICE: ABORTING the session: timed out
Feb 14 13:27:48 mercury postfix/smtpd[27454]: timeout after DATA from unknown[59.92.33.126]
Feb 14 13:27:48 mercury postfix/smtpd[27454]: disconnect from unknown[59.92.33.126]

Now, Postfix is saying "timeout after DATA", but it looks to me like
amavisd-new's problem was in unlinking zero files? Or is that message
incorrect and the problem was elsewhere? I'm stumped on this one.. most of
the time, these messages it times out on are junkmail, so I don't mind too
much if it forces a spammer to try again - but now and then I'm getting user
reports of anywhere from 15 seconds to 4 minutes to send an email.

If you need other information, feel free to ask.

--
Steve Huston - W2SRH - Unix Sysadmin, Dept. of Astrophysical Sciences
Princeton University | ICBM Address: 40.346525 -74.651285
126 Peyton Hall |"On my ship, the Rocinante, wheeling through
Princeton, NJ 08544 | the galaxies; headed for the heart of Cygnus,
(609) 258-7375 | headlong into mystery." -Rush, 'Cygnus X-1'


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