Jason,
I Googled my clamav problem (memory usage grows!) and found this thread.
I've had numerous OOM with my production box so I thought running
Softlimit+Clamd would be a good idea. The problem is I get get segmentation
fault error and all the clamd processes seems to hang.
You mentioned that you figured out the problem, can you please provide
details on this?
Thanks!
-Richie
>Re: [Clamav-users] clamd still hangs with 0.70
>---
-
>From: Jason Haar
>Subject: Re: [Clamav-users] clamd still hangs with 0.70
>Date: Tue, 20 Apr 2004 19:44:54 -0700
>---
-
>>On Tue, Apr 20, 2004 at 01:11:40PM -0400, Mike Cathey wrote:
>> ...lsof the pid and see what files it has open...then copy the files to
>> somewhere else and fire them off to the develpers. :)
>Nope - that won't help. I just did that - twice within 10 minutes on my
>(currently) hung mail server. The first shows clamd (running just below the
>softlimit memory setting - again it ran out of memory) having bunches of
>library files, logfiles,etc open - plus one eml file. 10 minutes later it
>hasn't got that file open but has others open...
>i.e. it hasn't hung - it's now just going E.X.T.R.E.M.E.L.Y slowly...
>OK, I think I can trigger this at will at the moment. If I let clamdscan
run
>over my SPAM Maildir folder (32,580 msgs) - which will be full of
>atrociously written MIME mail messages (if that matters), then over a few
>minutes clamd climbs up to the softlimit RAM limit and then clamd hangs (or
>goes slow - take your pick). Then all further clamdscan processes hang. If
I
>then kill the "clamdscan -r SPAM/" process, then almost immediately all the
>other clamdscan processes finish (not crash!), and clamd memory usage drops
>back down to around 16M.
>Gah. I think I've figured out the problem. I'm running clamd under
>daemontools - which means I've set "Foreground" in clamav.conf... How does
>that affect the running of clamd? Does it force clamd to serialize requests
>by any chance...?
>--
>Cheers
>
>Jason Haar
>Information Security Manager, Trimble Navigation Ltd.
>Phone: +64 3 9635 377 Fax: +64 3 9635 417
>PGP Fingerprint: 7A2E 0407 C9A6 CAF6 2B9F 8422 C063 5EBB FE1D 66D1
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