First, thanks to Javier for working through this one with me.
It turns out that we where using snmpv2 for our snmp queries and I
wasn't aware that php doesn't support this so a system call to snmpget
was necessary to perform each snmpv2 query (upwards of 1100 or so).
This is what was driving our load up, on Javiers suggestion this was
changed to snmpv1 and the load dropped dramatically, we've got 265
hosts, 1600 interfaces now running on the same box below with 30
threads and mysql onbox and the load is currently 0.27

--Patrick




On Fri, 25 Mar 2005 22:03:41 -0500, Patrick Aland <[EMAIL PROTECTED]> wrote:
> Running 0.8.1 on a dual P4-HT (so linux is seeing 4 procs) 2.8Ghz, 2GB of RAM.
> 261 hosts, ~1500 interfaces, mysql.
> if I run 10-15 threads it behaves pretty well, spikes when polling,
> average load of around 3 but I'm not sure all the interfaces are being
> checked on time, upping the threads to 25-30 and the system stays at a
> constant 90-95% on all processors and the load shoots to 20 on the
> server.
> 
> What have been peoples experience regarding sizing the number of
> threads in relation to hosts/interfaces?
> Thanks.
> 
> --
> --Patrick
> 


-- 
--Patrick


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