Sorted the problem out - it appears that clamscan will fork new processes everytime it is called by the qmail scanner - I switched to using clamdscan which uses the clamd daemon.
It has halved the original load to average of 1-3 ... On Fri, 2004-03-12 at 23:47, Jeremy Kitchen wrote: > On Fri, 2004-03-12 at 04:18, Scott Ryan wrote: > > Hello all, I have upgraded clamav from 0.55 to 0.67-1 so I can now catch > > the bagle-passwd worm. It works and it catches the virus, but I have > > noticed a significant increase in the load on the machine. I am running > > qmail on a 6cpu Xeon P3 700 with 4Gb RAM. I am also running spam > > assassin. > > > > Is this load increase normal (from 4-5 average to 9-11 average) or is > > there something i can do to drop the overhead? > > if you're using qmail-scanner, that's normal. I was doing some load > testing on a customer's mail cluster and brought the system load to over > 75, yet the system was completely responsive to everything. It was as > if the machine was idle. And you are using a far more powerful machine > than this was :) > > -Jeremy
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