On Mon, 2011-04-11 at 17:32 -0500, Gary Gatten wrote:
> So, is this just a grammatical error or is it not working correctly?

I think it may be both - I know I'm generating ifOutDiscards on the port
- I have a netperf test running and the egress port is only 100 Mbit/s
while the ingress is 1 GbE. The chart for "IfOutDiscards.rrd" is
claiming that I'm stting something North of 450 Mbit/s of discards,
which I know cannot be correct (is there list chapter and verse on
screen dumps?).

> Many/all of these counters are typically a running total/sum - not a
>  rate as pps would indicate.  I'm guessing nTop (or rrd?) would have to
>  do the math and determine the rate?

I believe one or the other is doing so for the Octet counters - the
IfOutOctents.rrd are looking generally sane .

rick

> -----Original Message-----
> From: [email protected] 
> [mailto:[email protected]] On Behalf Of Rick Jones
> Sent: Monday, April 11, 2011 5:27 PM
> To: [email protected]
> Subject: [Ntop] whence are set titles and units for graphs? would like to 
> make discards and errors Pkt/s rather than Bit/s
> 
> I'm looking at
> http://127.0.0.1:3000/plugins/rrdPlugin?action=list&key=interfaces/sFlow-device.2/sFlow/47&title=Interface+Id+47
> 
> as generated by 4.0.3 in my environment, for one of the interfaces on my
> switch which is emitting sFlow counters, and it is giving me a set of
> chards - at the top it says "Info about Interface Id 47" and then I get
> something like ten charts:
> 
> Title                       Units
> IfInOctets.rrd              Bit/s
> IfOutOctets.rrd             Bit/s
> IfOutDiscards.rrd           Bit/s
> IfOutUcast Packets          Pkt/s
> IfInMulticast Packets       Pkt/s
> IfInErrors.rrd              Bit/s
> IfInBroadcast Packets       Pkt/s
> IfOutBroadcast Packets      Pkt/s
> IfOutMulticast Packets      Pkt/s
> IfInUcast Packets           Pkt/s
> 
> it would seem that anything that ended-up with "Packets" in its title
> had a correct units of Pkt/s but enything with ".rrd" in its title
> thought the units were Bit/s even though some of them should be Pkt/s.
> 
> I am guessing that the setting of graphId is involved, but I'm having a
> devil of a time seeing where graphId is getting set for each.  I can
> mouse over to the magnifying glass to the right of each chart and I see
> a graphId in that URL but it is always "99" regardless of which of the
> ten I check.
> 
> If someone can point me in the correct direction that would be great.
> 
> rick jones
> 
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