Good morning,

>> this looks like a bug. Can I login to the system? Today I have run some 
>> tests and sent more than 5G to ntopng: no drops cpu load was much less than 
>> what you describe
> 
> Of course you can get access to my server. I had expected that this server 
> does not have a load over 0.70 or so. So the load still is high, but the 
> responsiveness is better. So maybe grsec at least influences ntopng.
> 
> Sent me your ssh-pubkey.

I was too early with saying everything seems better. This morning I checked my 
server again and it behaves sloooowly again. Stopping ntopng and waiting 2-3 
minutes, the system goes back to normal. So yes, there might be a bug.

Thanks

> 
> Christian
> 
>> 
>> Luca
>> 
>> 
>> On 05/15/2014 06:12 PM, Christian Rößner wrote:
>>> Hi,
>>> 
>>> I had installed ntopng from SVN and compiled it on an HP ProLiant G4 server 
>>> with 6GB RAM and 2 CPUs. Okay, load got high and therefor I decided to by a 
>>> new machine for that task. Now it is a HP ProLiant SEM316M1 (same as 
>>> DL160G6) with 24GB RAM. Tripple channel. And I still have too high load on 
>>> the system. I am totally stuck and frustrated.
>>> 
>>> I have mirrored 3 witch ports and they are connected to a separate port on 
>>> the server. The totally traffic that arrives on this NIC is no more than 
>>> 50MBit/s. So this is really less.
>>> 
>>> I have installed irqbalance and numad. The RAID-controller is battery 
>>> backed up.
>>> 
>>> So currently I have no clue, what is going wrong. As this ntopng is from 
>>> SVN, I have updated several times. Always doing a "make clean“ and 
>>> ./configure.
>>> 
>>> The system is a Gentoo hardened 3.13.10 kernel.
>>> 
>>> I have done paxctl -cm on the ntopng binary.
>>> 
>>> This is my current ntopng configuration:
>>> 
>>> # ntopng.conf
>>> #
>>> 
>>> -n=3
>>> -i=enp2s0f1
>>> -d=/opt/ntopng/data
>>> -G=/opt/ntopng/var/run/ntopng.pid
>>> -H=0
>>> -w=8080
>>> -W=8443
>>> -m=192.168.2.0/24,193.239.104.0/22,217.199.204.10/32
>>> -p=tcp:216@SSH
>>> -q=1
>>> -A=0
>>> -U=ntopng
>>> -e
>>> 
>>> I have attached a log.txt, gzip compressed, which should give a good 
>>> overview of this hardware and current configuration. I really, really was 
>>> happy, if somewhat could point me to a problem with this server/ntopng.
>>> 
>>> svn info
>>> Path: .
>>> Working Copy Root Path: /usr/local/src/ntopng
>>> URL: 
>>> https://svn.ntop.org/svn/ntop/trunk/ntopng
>>> 
>>> Repository Root: 
>>> https://svn.ntop.org/svn/ntop
>>> 
>>> Repository UUID: a02cd0c1-8e76-42e1-a119-56f9641475e2
>>> Revision: 7598
>>> Node Kind: directory
>>> Schedule: normal
>>> Last Changed Author: deri
>>> Last Changed Rev: 7597
>>> Last Changed Date: 2014-05-06 17:12:17 +0200 (Tue, 06 May 2014)
>>> 
>>> Thanks a lot in advance
>>> 
>>> -Christian Rößner
>>> 
>>> 
>>> 
>>> 
>>> 
>>> --
>>> [*] sys4 AG
>>> 
>>> 
>>> http://sys4.de
>>> , +49 (89) 30 90 46 64
>>> Franziskanerstraße 15, 81669 München
>>> 
>>> Sitz der Gesellschaft: München, Amtsgericht München: HRB 199263
>>> Vorstand: Patrick Ben Koetter, Marc Schiffbauer
>>> Aufsichtsratsvorsitzender: Florian Kirstein
>>> 
>>> 
>>> 
>>> 
>>> _______________________________________________
>>> Ntop mailing list
>>> 
>>> [email protected]
>>> http://listgateway.unipi.it/mailman/listinfo/ntop
>> 
>> _______________________________________________
>> Ntop mailing list
>> [email protected]
>> http://listgateway.unipi.it/mailman/listinfo/ntop
> 
> -Christian Rößner
> 
> --
> [*] sys4 AG
> 
> http://sys4.de, +49 (89) 30 90 46 64
> Franziskanerstraße 15, 81669 München
> 
> Sitz der Gesellschaft: München, Amtsgericht München: HRB 199263
> Vorstand: Patrick Ben Koetter, Marc Schiffbauer
> Aufsichtsratsvorsitzender: Florian Kirstein
> 
> _______________________________________________
> Ntop mailing list
> [email protected]
> http://listgateway.unipi.it/mailman/listinfo/ntop

-Christian Rößner

--
[*] sys4 AG

http://sys4.de, +49 (89) 30 90 46 64
Franziskanerstraße 15, 81669 München

Sitz der Gesellschaft: München, Amtsgericht München: HRB 199263
Vorstand: Patrick Ben Koetter, Marc Schiffbauer
Aufsichtsratsvorsitzender: Florian Kirstein

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