[rrd-users] Help with rrd version 003 file structure

[Alex van den Bogaerdt]

On Sun, Jul 06, 2008 at 11:08:17AM +0200, mfenske at mat.uni.torun.pl wrote:

> I'm using Ciaran's Treanor jRRD to get information from rrd files. The  
> problem is that jRRD library is quite  old and supports reading rrd  
> files version 0001.  I need to change jRRD to read version 0003 of the  
> files. Could anybody give me some information about the 0003 file  
> structure, and the differences between 0001 and 0003 ? I would also  
> appreciate some information on the exact order of parameters written  
> in a rrd file. I wrote an email to Ciaran Treanor  
> (ciaran at codeloop.com), but until now I didn't get a response.

Go to the rrdtool website, download sources for 1.0.x and for 1.2.x,
study.  The format is described in detail, see rrd_format.h

-- 
Alex van den Bogaerdt
http://www.vandenbogaerdt.nl/rrdtool/