Sophos Sweep using a lot of CPU

[Adrian Barker]

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 >We had a problem like that at one point - it turned out there was a
 >big core dump file in /var/spool/mailscanner/incoming (or wherever
 >your mailscanner working directory is).  Have a look for a core file
 >in that directory and delete it.
 >
 >Steve
 >- --
 >Steven Patterson, MSci.  Tel: +44 (0)2380 595810
 >Electronic Information Systems Support and Development
 >Computing Services, University of Southampton, UK.
 >Public PGP Key: http://www.soton.ac.uk/~srp/pubkey.asc


Many thanks indeed. That has solved the problem immediately. There was
a 1.2 Gb core dump in the mailscanner working directory. We have had
two weeks of severe delays to email due to that. It would be worth adding
to the FAQ to save other people from having the same problem.

Thanks again,


Adrian Barker, Information Systems
University College London, Gower Street, London WC1E 6BT
External phone: (+44) 020 7679  2795,  Fax (+44) 20 7388 5406
Internal phone: x 32795
Email: A.Barker at ucl.ac.uk




 >
 >> -----Original Message-----
 >> From: Adrian Barker [mailto:A.Barker at UCL.AC.UK]
 >> Sent: 02 July 2002 15:18
 >> To: MAILSCANNER at JISCMAIL.AC.UK
 >> Subject: Sophos Sweep using a lot of CPU
 >>
 >>
 >> For the past two weeks we have seen poor performance on one
 >> of our mailscanner machines caused by Sophos sweep using 60%
 >> or more CPU for long periods of time. Has anyone else seen
 >> this problem ? We were using a fairly old version of
 >> mailscanner from last year, but upgraded to 3.15-3 today, and
 >> also upgraded various Perl modules and Sophos, but the
 >> problem continues.
 >>
 >> What is puzzling is that we have a second identical machine,
 >> apart from a different version of mailscanner, which shares
 >> the same load, but this does not have the same problem.  Both
 >> machines are Suns and are not heavily loaded (about 10,000
 >> messages per day each).
 >>
 >>
 >>
 >>
 >> Adrian Barker, Information Systems
 >> University College London, Gower Street, London WC1E 6BT
 >> External phone: (+44) 020 7679  2795,  Fax (+44) 20 7388 5406
 >> Internal phone: x 32795
 >> Email: A.Barker at ucl.ac.uk
 >>
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Adrian.