[rrd-users] Trying to find out if rrd would be suitable for this task.

A Darren Dunham ddunham at taos.com
Sat Sep 25 02:06:18 CEST 2010

On Sat, Sep 25, 2010 at 11:40:30AM +1200, Tim Uckun wrote:
> I want to keep trends about a table in my database. There are a
> handful of fields I am interested in less than a dozen. My idea is to
> send the values of those fields to rrd on a periodic basis and trend
> their values over time.

Is this period the same for each, or do they have to be independent?

> My big worry is the number of records in the database. It is my
> understanding that I would need a different rrd database for every
> record which means I might need hundreds of thousands of databases
> maybe even over a million.   Is there a way to sore two dimensional
> data in a single RRD database?

Yes you can.  Multiple items can be tracked in a single database.  You
just add in additional data sources (DS) when you create the database.

See example 3 on the rrdcreate documentation page.


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