[CentOS] Re: [OT] What is the best network monitoring tool?

Mon Oct 13 22:13:00 UTC 2008
Les Mikesell <lesmikesell at gmail.com>

nate wrote:
> Ivan Levchenko wrote:
> 
>> exactly the way i'm thinking about it. this gives you the option to
>> switch between any monitoring tool that properly supports snmp and  i
>> will not have to change anything on the client side. plus, as far as i
>> know, snmp gives disk usage info, and, afaik, also running processes.
>> for now, that's enough for me.
> 
> Just remember that at least on linux, the cpu usage information
> presented by SNMPD is wildly inaccurate, so don't rely on it for
> that particular stat. I wrote my own little scripts to feed into
> snmpd to get cpu usage and associated templates etc for cacti.

Can you be more specific about how snmp is wrong and what you do to get 
a more accurate value?   Is it just that the snmp value needs to be 
scaled by the number of processors?

-- 
   Les Mikesell
    lesmikesell at gmail.com