[rrd-users] Re: Combining/joining daily .rrds into a weekly rrd file

Alex van den Bogaerdt alex at ergens.op.HET.NET
Wed Aug 14 01:02:56 MEST 2002

Peter.Janda at manpower.com wrote:

> I have been generating daily .rrd files which are built from tables that I
> clean up after the .rrd is created and graphed. (I save the.rrds and .gifs)
> I've attempted to join the tables of the .rrd files (using the fetch
> command) so that I can feed that data into another .rrd.

When doing this you must understand that you are getting rates out
of the original .rrd file so you have to feed rates into the new
.rrd file as well ---> GAUGE.

> This new .rrd shows that the tables are flowing into it (in scientific
> notation form) but the database doesn't increase in size

of course it doesn't.  RRDtool databases never grow in size, unless
you use the "rrdtool resize" command.

>  and the graph (.gif) is created but it isn't what I wanted or correct.

Try fetching the information from the newly created database. I guess
it isn't the same as what you put into it.  See my first remark.

 / alex at slot.hollandcasino.nl                  alex at ergens.op.het.net \
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