From: Vincent Li (vlivcn.bc.ca)
Date: Thu Feb 01 2007 - 17:33:31 CST

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On Thu, 1 Feb 2007, Rich Morin wrote:

> At 12:48 PM -0500 2/1/07, Wietse Venema wrote:
>> What you see is software that MIS-LABELS a perfectly
>> normal Postfix activity record as an error.
>
> I found the culprit (a locally-written script that wasn't
> as well written as it should have been :-/). Sigh.
>
>
>> ... lookupd is not part of Postfix.
>
> Agreed. lookupd is part of Mac OS X. However, we are only
> having problems with lookupd on the machine g3po and this
> machine runs essentially nothing but postfix. Specifically,
> it discards the 99% of our incoming email that is not for
> valid recipients.
>
> So, my guess is that postfix is doing some sort of lookup
> (lookupd handles various kinds) on a very frequent basis,
> causing lookupd to use too much memory, etc.
>
> I realize that this is an Apple-specific problem, but I'm
> hoping that someone on this list might be able to help me
> track it down. The lookupd(8) man page says:

Lookupd not only affect Postfix, but also the whole system performance. I
don't know what is the root cause. My workaround is just cat
/var/run/lookupd.pid | kill -HUP, then everything is back to normal.

Vincent
http://bl0g.blogdns.com

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