Indeed I was using ‘check process’ to monitor Google Chrome.
I’ve reverted Monit and started with the default monitrc again. So far the 
issue has not reappeared.

Thanks! I will test more and see which step exactly causes the issue. 

Kind regards,


Op 8 jan. 2016, om 16:20 heeft Martin Pala <[email protected]> het 
volgende geschreven:

> Hi,
> 
> if you use "check process" with process pattern rather then pidfile ("match" 
> vs. "pidfile"), it may have CPU usage impact on low-power platforms, see 
> https://bitbucket.org/tildeslash/monit/issues/214/matching-by-name-rather-than-pid-is
>  for details. The issue will be fixed in the next monit release, you can 
> switch to check process via pidfile as a workaround.
> 
> If your use case doesn't match the above, please send the data asked for by 
> Dylan.
> 
> Regards,
> Martin
> 
> 
>> On 06 Jan 2016, at 16:00, Joost Plas | Pandora Producties.nl 
>> <[email protected]> wrote:
>> 
>> Hi guys,
>> 
>> I’m having some strange issues with Monit. I’ve tried it to monitor my 
>> digital signage players. 
>> The players are NUC’s running Ubuntu 14.04.3 with a full screen Google 
>> Chrome browser.
>> 
>> For some reason enabling Monit on these players messes up the video playback 
>> in the browser and I end up with a lot of video tear and higher CPU usage.
>> I find this very strange and I cannot see a logical explanation for this so 
>> I’m a bit clueless in the troubleshooting. I can provide all necessary log 
>> files on request of course.
>> 
>> If I play a video in the browser with monit enabled I have a average CPU 
>> usage of 80 % and bad playback / tear.
>> When I disable Monit and reboot I have smooth playback and a average CPU 
>> usage of 40 %.
>> 
>> I use Compton: https://github.com/chjj/compton
>> 
>> Any tips?
>> 
>> Kind regards,
>> 
>> Joost
>> 
>> 
>> 
>> 
>> 
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