Gary
did you start ntop -i none ? (i.e. is't because of NetFlow or any other pcap-related issues?)

Luca

On May 11, 2009, at 6:07 PM, Gary Gatten wrote:

Been running 3.2.1 for years and CPU has always been fine. Avg, load on FreeBSD 6.0 is around .5, CPU around 40%, and udp port queues (netstat –a) are most always zero, but sometimes a couple get a little backed up for a few mins here and there.

Now running 3.3.8 compiled from ports. Load now 1.8, CPU 100%, and most all udp netflow queues are maxed and not emptying, especially within one instance that has many flow exporters – about 160’ish:

$ netstat -a | grep flow
Ntop Instance 1
udp4   41200      0  *.netflow-Regn29       *.*
udp4   41496      0  *.netflow-Regn16       *.*
udp4   41456      0  *.netflow-Regn15       *.*
udp4   40904      0  *.netflow-Regn11       *.*
udp4   41544      0  *.netflow-Regn10       *.*
udp4   41456      0  *.netflow-Regn02       *.*
udp4   41552      0  *.netflow-Regn88       *.*
udp4   40656      0  *.netflow-Regn53       *.*

Ntop Instance 2
udp4       0      0  *.netflow-Inet         *.*

Ntop Instance 3
udp4       0      0  *.netflow-LANCore      *.*

3.2.1 had its issues, but as far as netflow and cpu load it was fine. I’d like to get on a more recent version, but keep hitting roadblocks. Tried this back with 3.3.1 (I think?) with similar results.

Nothing in logs I find interesting. Only interesting thing on compile what something about “sched.h”:

checking sys/sched.h presence... yes
configure: WARNING: sys/sched.h: present but cannot be compiled
configure: WARNING: sys/sched.h: check for missing prerequisite headers?
configure: WARNING: sys/sched.h: see the Autoconf documentation
configure: WARNING: sys/sched.h: section "Present But Cannot Be Compiled" configure: WARNING: sys/sched.h: proceeding with the preprocessor's result configure: WARNING: sys/sched.h: in the future, the compiler will take precedence


I’m willing to do anything reasonable to help get this resolved. Any help would be greatly appreciated!!!

TIA!

Gary

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