[rrd-users] Re: extracting data from .rrd files

Serge Maandag serge.maandag at staff.zeelandnet.nl
Thu Mar 24 22:24:44 MET 2005

> If HR is not an possible option, how do I interpret the 
> following so I can make the changes I require?
> 			<!-- 2005-03-21 18:00:00 EST / 
> 1111446000 --> <row><v> 0.0000000000e+00 </v></row>

That's one row of the RRA. You need to understand what
A row is and what an RRA is. You can find that in the tutorial
On the rrdtool website.

What you are seeing is an XML table.


<!-- 2005-03-21 18:00:00 EST / 1111446000 -->

Is comment in XML and HTML.
It could have said:

<!-- blabla -->

But instead they put in the timestamp of the sample in human
Readable format and in epoch time (seconds since 01-01 1970)

 <row><v> 0.0000000000e+00 </v></row>

This is an RRA row holding one value. And the value is zero
In scientific notation.


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