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UTM 120 CPU spikes

atoast217
Hi, 

I have a number of UTM 120s deployed for different clients. Several of these clients are now complaining that they occasionally lose Internet connectivity for periods of 30 seconds to a minute. VoIP call quality also decreases during this time. 

I've verified that every time, I'm seeing CPU spikes to 80-100% on the UTMs. 
If I turn off Web Filtering, the problem goes away, but I don't like leaving that off. 

I've rebooted the UTMs, updated them, checked settings for anything I can limit, and nothing seems to be working. 

Do I have bad UTMs? Is there a recent firmware update that increased resource usage? Are they just overloaded?

I'd appreciate any help. I'm stuck. 
Thanks!


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  • 0
    Vilic, I've been complaining about this for over a year.  In fact, I don't think it's SAVI because I've seen the same thing with Avira as the Single-Scan selection.  I think it's cssd - the daemon that rebuilds the underlying database after the new patterns are added/deleted.

    Cheers - Bob
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  • 0
    Vilic, I've been complaining about this for over a year.  In fact, I don't think it's SAVI because I've seen the same thing with Avira as the Single-Scan selection.  I think it's cssd - the daemon that rebuilds the underlying database after the new patterns are added/deleted.

    Cheers - Bob
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