Hello Patrick, Are you reading the CPU utilization using top from the %CPU column. If so that is ok. This represents the utilization of the core that NTOP is running on. What you should be worried about is the utilization at the top for the system as a whole.
My 2Cs worth. Regards, Ajit On Tue, May 31, 2016 at 7:27 AM, Patrick DERWAEL <[email protected]> wrote: > Simone, > > This runs on a Zotac CI323 (Intel N3150 quad-core 1.6GHz, 8GB Ram, 120GB > HD) > > Current config file just says: > -G=/var/tmp/ntopnd.pid > > Number of hosts: 60-80 > Number of flows: 100-120 > > %CPU used by ntopng 25-35% (as measured by top) > > Do you think this %CPU makes sense in this context? > > Thanks > > 2016-05-31 12:17 GMT+02:00 Simone Mainardi <[email protected]>: > >> Patrick, >> >> If the router has very limited resources then this may be expected >> behavior. However, please post ntopng configuration used, as well as the >> number of active hosts/flows read from the bottom right corner of the UI. >> >> Simone >> >> On Tue, May 31, 2016 at 12:01 PM, Patrick DERWAEL <[email protected]> >> wrote: >> >>> Hi Simone, >>> >>> The high cpu is permanent, no matter of thé web interface usage >>> Ntop runs on a Tor router on centos 7 >>> >>> Patrick DERWAEL >>> Rue de la Fontaine, 3 >>> 4210 Burdinne >>> 0479/80.50.79 >>> Le 31 mai 2016 11:44, "Simone Mainardi" <[email protected]> a écrit : >>> >>>> Patrick, >>>> >>>> Does the high cpu consumption occur when using the ntopng web UI? Or it >>>> does not matter? >>>> Which router are you using? >>>> >>>> On Mon, May 30, 2016 at 12:45 PM, Patrick DERWAEL <[email protected]> >>>> wrote: >>>> >>>>> Hi all >>>>> >>>>> Just installed ntop on a router running on centos 7 in à small home lan >>>>> Ntop is taking permanently 25-30% cpu >>>>> >>>>> The traffic is not in average very high: 150-200kB >>>>> >>>>> Any clue where i should start searching? >>>>> >>>>> Thanks >>>>> >>>>> _______________________________________________ >>>>> Ntop mailing list >>>>> [email protected] >>>>> http://listgateway.unipi.it/mailman/listinfo/ntop >>>>> >>>> >>>> >>>> _______________________________________________ >>>> Ntop mailing list >>>> [email protected] >>>> http://listgateway.unipi.it/mailman/listinfo/ntop >>>> >>> >>> _______________________________________________ >>> Ntop mailing list >>> [email protected] >>> http://listgateway.unipi.it/mailman/listinfo/ntop >>> >> >> >> _______________________________________________ >> Ntop mailing list >> [email protected] >> http://listgateway.unipi.it/mailman/listinfo/ntop >> > > > > -- > > Patrick Derwael > Rue de la fontaine, 3 > 4210 Burdinne > G:0479.80.50.79 > > > > _______________________________________________ > Ntop mailing list > [email protected] > http://listgateway.unipi.it/mailman/listinfo/ntop > -- Ajit Sarnaik
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