What I did to work around this is to create multiple pollers that are five minutes
apart. We are monitoring over 400 interfaces on one box, and the poller takes about
15 minutes to complete, so I have added (now) 4 pollers. i.e. poller1, poller2,
poller3, poller4, etc... Poller1 starts at 12:00am, Poller2 at 12:05am, and so on. In
your situation, you should only need two pollers.
I have compared the graphs to other graphs monitoring the same equipment and it is
accurate. It would be nice if the poller process wasn't so linear. But it's a small
problem that can be worked around right now with the application. Once that gets
resolved and polling "in parallel" if you will, becomes available, we will be
converting to jffnms exclusively (Javier, new feature request? :) ) We have tested it
for everything and I am working to port our current JFFNMS version to Linux so we can
also use RTT with smokeping (we are using the windows version now, everything on one
box).
-----Original Message-----
From: Anang Syarifudin [mailto:[EMAIL PROTECTED]
Sent: Wed 7/28/2004 12:19 AM
To: [EMAIL PROTECTED]
Cc:
Subject: [jffnms-users] Poller speed
Hi Javier,
I'm a happy JFFNMS user i've been using it since it's early version 2
years ago.
Recently I aware about it's performance since the box that running it
hung frequently, I've tried to separate mysql on more powerful box,
reduce interface to be monitored, and so on.
Currently JFFNMS box never hung again, but I'm afraid that polling
process aren't accurate because it always overlap between poller.
I made a test, I stop crond daemon, than I check wheter polling process
still running, I found that to completely finish polling process took
more than 7 minutes, while polling process period is 5 minutes
[EMAIL PROTECTED] etc]# ps auxw | grep php
nobody 24056 0.0 3.2 10928 8228 ? S 11:10 0:02
/usr/bin/php -q poller.php 2 0 1 0 0
[EMAIL PROTECTED] etc]# date
Wed Jul 28 12:17:26 WIT 2004
[EMAIL PROTECTED] etc]# ps auxw | grep php
nobody 24056 0.0 3.2 10940 8240 ? S 11:10 0:02
/usr/bin/php -q poller.php 2 0 1 0 0
I only monitored 3 host with 72 interfaces, connection speed is not an
issue.
Do you have any suggestion to fix this,
any comment are appreciate, and thanks for your great JFFNMS :)
Anang
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