[c-nsp] Re: RTG

Marko Milivojevic markom at PanGalactic.net
Thu Feb 23 10:38:50 EST 2006

What version of the poller/grapher and discovery mechanism do you use?


Suchy Daniel wrote:
> I'm using RTG i.a. for monitoring 10Gig interfaces (with ~4G peak 
> traffic today) without any problems.
>>     Speaking of RTG, could someone point me to a working combination 
>> of RTG poller and RTG grapher that can actually work with interfaces 
>> faster than 2.5 Gb/s :-(.
>> Marko.
>> Jon Dustin wrote:
>>> RTG may not be very polished, but is the only serious contender I have
>>> found to specifically address the performance issue. The poller is
>>> written in C, with a MySQL client built-in for speedy inserts. The
>>> schema has also been designed for speed, rather than simplicity (three
>>> tables for each device - InOctets, OutOctets, Errors).
>>> BUT - All this attention to speed gives some flexibility in deployment,
>>> as you may split apart the polling, graphing, and storage functions if
>>> you wish. And the graphing function only takes CPU cycles when someone
>>> wants to view (rather than Cacti/MRTG that constantly generate graphs).
>>> We run RTG with a 5-minute poll cycle for over 300 devices and around
>>> 11000 ports. The entire poll cycle takes about 30 seconds, and is
>>> running on a Xeon 2.8GHz cpu with lots of other tasks to do.
>>> http://rtg.sourceforge.net
>>> Message: 7
>>> Date: Thu, 23 Feb 2006 09:47:18 -0500 (EST)
>>> From: Dave Temkin <dave at ordinaryworld.com>
>>> Subject: RE: [c-nsp] Monitoring GUI for Cisco network
>>> To: Chris Hale <chris-lists at pipelinewireless.us>
>>> Cc: cisco-nsp at puck.nether.net Message-ID: 
>>> <Pine.LNX.4.58.0602230946590.2534 at ordinaryworld.com>
>>> Content-Type: TEXT/PLAIN; charset=US-ASCII
>>>> From looking at this it looks like it would take some serious
>>> customization to get it to do anything other than 5 minutes, or am I
>>> missing something?
>>> -Dave
>>> On Wed, 22 Feb 2006, Chris Hale wrote:
>>>> OpenNMS can do this at whatever intervals you want.  It becomes a
>>> matter of
>>>> disk i/o and CPU if you want to poll a large network in a very short
>>> amount
>>>> of time.
>>>> We use it to poll our core devices every minute, graph every 5, and
>>>> poll/graph standard nodes every 5 minutes.
>>>> It also is our Syslog/trap server, notification/paging system, etc.
>>>> Chris
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