[rrd-users] Re: Max # rrd can draw on graph

Clifton Royston cliftonr at lava.net
Tue Nov 21 19:13:08 MET 2000

On Wed, Nov 22, 2000 at 12:41:26AM +0900, Sungchul Park wrote:
>     I posted same question on MRTG mailing list, but I couldn't get answer 
> anymore.
>     I have a customer who has gigabit ethernet switch. He is monitoring that 
> machine with MRTG now. Almost all things are going right. Except MRTG can not 
> draw total traffic of the switch in BIT PER SECOND. The total traffic of that
> switch is over then 2G bps, He can get a graph in bytes per second. 
> He want (strongly) to see the total traffic of his switch in bit per second, 
> because other all mrtg report is represented in bit per second. He believes 
> traffic report in BPS look better than Bytes per second to his boss and 
> customers.

  RRD does store and process data in terms of floating point numbers,
so it *should* be no problem.  I know some RRD users (including some I
know using Cricket) are graphing multi-gigabit interfaces with RRD.

  I'm actually graphing several gigabit Ethernet interfaces with both
Cricket/RRD and with MRTG, but the traffic levels on them are not so
high that I've run into this MRTG problem - the highest real value I've
seen on them is in the 60Mb/s range.  Therefore I can't personally
swear to it working for very high total load data values, but I think
others might.

  Hope this helps,
  -- Clifton

 Clifton Royston  --  LavaNet Systems Architect --  cliftonr at lava.net
      The named which can be named is not the Eternal named.

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