[rrd-developers] Re: Creating a rrdtool alter command

[Igor Sfiligoi]

Hi Jake.

As I have said in the beginning, this is just a first step.
I need to add the other functionality.

Right now I am working on the 1.0.x version, but plan to port it to 1.1.x.

BTW, nobody has any suggestion on my original question?
---------------------
Adding a RRA is instead a little more tricky and I would like to have some 
feedback.
I see essentially 2 problems:
1) When I have already several RRAs with the same consolidation function, 
which one should I use?
The most obvious idea seems to be the use of the most fine grained when 
possible and going on to the next grain only when needed.
Do you agree?

2) What should I do when a completly new consolidation function is requested?
I see two options here:
2a) leave all values UNKN
2b) get the values of another consolidation function

2a seems to be more correct.

What do you think?
---------------------

Cheers,
  Igor

On Wednesday 10 March 2004 18:59, Jake Brutlag wrote:
> Igor Sfiligoi wrote:
> > I have a first example code working; just the data source adding.
> > I am posting it as it is since Stanislav seemed to be interested ;)
> >
> > rrd_alter.c:
> > #include "rrd_tool.h"
>
> In my opinion, the approach of dump/restore is adequate here. In any
> case, the code you proposed seems to be written for 1.0.x. If this patch
> is accepted "as is", you (or Tobi since he often does the work of
> migrating 1.0.x patches to 1.1.x) will have do some additional work to
> make it compatible with 1.1.x.
>
> Jake Brutlag
> Network Analyst
> Microsoft MSN
>
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