On 3 sept. 2010, at 19:49, Mark Martinec wrote: >> Machine does not look busy at all during those problems. Load is under 0.5 >> and CPU is 90% idle. >> Even small emails are affected. > > If the host is not busy, again, my primary suspect is a berkeley db. > These multiples of 20..25 second delays, some at inexplicable sections, > seem to coincide with updating a child process status in the nanny database. > > Try disabling it altogether: $enable_db=0; > If that helps, consider upgrading libdb to a more recent version > (along with the BerkeleyDB perl module).
enable_db=0 does the trick, for now. I've found this about amavisd and BDB performance problem on FreeBSD: <http://www.mail-archive.com/amavis-u...@lists.sourceforge.net/msg15381.html> I'll test ASAP. regards, Patrick PRONIEWSKI -- Administrateur Système - SENTIER - Université Lumière Lyon 2
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