[rrd-users] Forcing our own dates?

A Darren Dunham ddunham at taos.com
Tue Feb 8 22:43:04 CET 2011

On Tue, Feb 08, 2011 at 11:17:59AM -0700, CS DBA wrote:
> Hi All,
> is it possible to retrieve the date from the db as part of an overall 
> query as opposed to using the current system date for the plotting of a 
> graph. For example say I have a join that will show me the following:
> - insert date
> - db name
> - table name
> - total size
> - table only size (no indexes)
> can I force rrdtool to use the insert date as the primary graph date? 
> and is it possible to re-generate the history if needed without getting 
> dupes in the graphs?

I'm sorry, but I don't quite understand what you're asking for.

It is possible to use an arbitrary date for start and end of graphing.
If you have an archive with data in that range, you should see data.

Changing existing data in the RRD is more difficult.  You can dump the
data out of an RRD, modify the data, then use it to input into another
RRD.  That might be easiest if you need to do some changes.  


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