We used to run into similar issues. We've actually moved away from
JFFNMS because of performance issues. Our server monitoring 1800
interfaces was running at > 1.0 load averages 24/7. We ended up going
another route for NMS. JFFNMS is still the only thing out there with it
all built in one solution, however.
Ours was stuck in a loop where it would start the polling again before
the first poller finished, which really wasn't that good.
I'd love to see JFFNMS with some faster pollers, perhaps something not
written in PHP? I know the Cacti guys moved away from PHP pollers
because of this.
--
Tim Jackson
Sr. Network Engineer
STS Telecom
(786)363-0361
Leigh Porter wrote:
Hiya,
I have hosts that have about 300 interfaces and yeah, it takes a while
to poll them :)
There is a threaded poller but I have not been able to make this work yet.
Saying that, I have about 2200 interfaces and my CPU load is at 45 on a
duel cpu XEON :(
--
Leigh
Jason Lavoie wrote:
I'm looking at using jffnms in our network. The interface is great, and
it looks very promising. What I'm stumped on is the performance of the
poller.
To start, I've run autodiscovery against one of our routers, a cisco
6500, and it produces 599 interfaces. poller2.php never completes (it
just times out), and poller.php takes > 5 minutes to poll just that one
host:
10:20:44 : H 2 : Poller End, Total Time: 539131.16 msec.
The machine and network are quite sufficient, I believe. When I run
poller.php manually, it looks to be spending most of its time doing the
snmp queries. A glance at the code looks like it is running snmpget
repeatedly for each OID. Have there been any efforts to rework the
poller to not have this (process forking) overhead?
Are there others running jffnms' poller with a similar number of
interfaces on a single host? If the poller should scale to this size,
can anyone recommend where to look for my performance bottleneck?
Thanks!
-j
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-------------------------------------------------------
Using Tomcat but need to do more? Need to support web services, security?
Get stuff done quickly with pre-integrated technology to make your job easier
Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
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