[rancid] eliminating noise

[Peter Jackson]

Frank,

I believe Wayne would like to keep the command output but only record a
change if the variable differs by a set amount.

So in Wayne's example we want RANCID to record a different temperature only
if it was 10 degrees higher or lower than the last RANCID run.

You wouldn't see this diff:

- ! External Temperature............................. +25 C

+ ! External Temperature............................. +30 C

But you would see this one:

- ! External Temperature............................. +25 C

+ ! External Temperature............................. +35 C

We have removed a lot of command output for just this reason - because it
sends too many diffs to be useful.  But having something like what Wayne
suggests would be really nice and we would be able to add those commands
back to RANCID without getting all of the insignificant diffs.

Peter



On Wed, Nov 19, 2014 at 6:48 PM, Frank Bulk <frnkblk at iname.com> wrote:

> Just update the relevant script to ignore those lines.
>
>
>
> Frank
>
>
>
> *From:* Rancid-discuss [mailto:rancid-discuss-bounces at shrubbery.net] *On
> Behalf Of *Wayne Eisenberg
> *Sent:* Wednesday, November 19, 2014 5:09 PM
> *To:* 'rancid-discuss at shrubbery.net'
> *Subject:* [rancid] eliminating noise
>
>
>
> Hey all,
>
>
>
> Does anyone have any ideas on how we can modify rancid to ignore minor
> differences in things like fan speed and temperature? See the below:
>
>
>
> - ! External Temperature............................. +29 C
>
> + ! External Temperature............................. +28 C
>
>
>
> -  ! Fan Status....................................... 3432 rpm
>
> + ! Fan Status....................................... 3301 rpm
>
>
>
> These two items create a lot of noise. The temperature changes by 1 or 2
> degrees – very insignificant, but it gets caught by diff. The same with the
> fan speed. Any character change trips the diff. +/- 10% or greater is a
> more reasonable change to note. But I don’t know how to modify the scripts
> to do that comparison. Any ideas?
>
>
>
> Thanks,
>
> Wayne
>
>
>
>
>
>
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