[clamav-users] Terminate clamscan after specific time

[Andrew C Aitchison]

Would it be better to *pause* the scan if/when the computer gets busy ?

If you "nice" the scan it will only run when the cpu is less busy;
if you have "ionice" you can make it run when the disk is less busy.

On Wed, 6 Jan 2021, Zvi Kave via clamav-users wrote:

> Hi ,
> 
> My goal is to terminate scan of big number of files like '/' on CPU
> busy hours.  Then to continue approximately from the interrupted
> directory on nonbusy hours.  Seems that I have to put some code in
> clamscan/manager.c
> 
> Thanks,
> 
> Zvi
> 
> 
> On Tue, Jan 5, 2021 at 6:01 PM G.W. Haywood via clamav-users <
> clamav-users at lists.clamav.net> wrote:
> 
> > Hi there,
> > 
> > On Tue, 5 Jan 2021, Zvi Kave via clamav-users wrote:
> > 
> > >    Seems that the parameter --max-scantime=#n aborts scan on every file
> > after #n ms.
> > >    But it continues to the next file, instead of clamscan termination +
> > summary as I need.
> > 
> > You can easily start another process, which sleeps for your desired
> > number of seconds and then kills the clamscan process.  You won't get
> > the exact summary which clamscan gives when it terminates normally, but
> > you will get the output about what's been found so you can approximate
> > the report e.g. by piping the output of the clamscan process to a file
> > (perhaps asking for verbose reporting from libclamav and/or clamscan as
> > well as reporting clean files) and doing a little bit of scripting.
> > 
> > This does seem to me to be a strange thing to want to do.  If you can
> > explain exactly what the problem is and why you think this is the
> > solution we might be able to offer alternatives or other suggestions.

-- 
Andrew C. Aitchison					Kendal, UK
 			andrew at aitchison.me.uk