[drraw-users] Y-axis values are off
michael
msmit006 at cs.fiu.edu
Thu Nov 16 19:27:11 EST 2006
Thanks for your response Christophe, it appears cricket is collecting
the data just as you suspected.
I would like to be able to create graphs from cricket's rrds, so I do
not want to alter the way cricket collects data.
How can I display this data correctly with drraw?
Christophe Kalt wrote:
> Hi!
>
> On Nov 16, michael wrote:
> | I am very impressed and would very much like to use this tool to make
> | customized graphs.
>
> And we'd like you to become a user :-)
>
> | I have been testing it with .rrd files generated with cricket.
> |
> | When I compare the Drraw graphs to the cricket graphs the y-axis values
> | are drastically off. For example:
> |
> | Cricket displays the MAX(correctly) as 566.77 mb
> | with Drraw its ~75 mb
> |
> | Again, both graphs I mentioned were generated from the same .rrd file.
>
> Are you able to tell exactly how cricket generated the graph?
>
> | Any suggestions would be appreciated.
>
> Well, assuming the values above are not exact values (~75 :),
> then it's off by a factor of 7.55 which is awfully close to 8,
> which could well be a bits -> bytes conversion issue.
>
> Try and find out whether the data in your RRD files is in
> bytes or bits, i'm guessing it's in bytes, and Cricket
> converts is to bits as is the usage for network bandwidth
> data.
> You will also want to pay attention to the "Base" setting the
> "Graph Options".
>
> Hope this helps!
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