[rrd-users] Re: Decimal numbers again.
Chan Chi Hung
chihung at mc-3.org
Tue Feb 24 11:04:40 MET 2004
Yes, RRD is good in storing data without the worry of file size. Also,
the graphing capability is excellent. In fact, you don't have to worry
about how RRD store your information as long as your RRA are well
defined. The difference in the decimal will not shown up in the plot anyway.
If you do need to have the accuracy, try gnuplot
http://www.gnuplot.info/. You can set the 'set xdata time' to time base.
My preference will be to use gnuplot for short duration data collection
project, whereas RRD for storing and monitoring long-term data.
Alex van den Bogaerdt wrote:
> On Tue, Feb 24, 2004 at 11:27:02AM +0200, Ali Gunduz wrote:
>>Stephan said rrdtool makes an adjustment on the data for not pushing it
>>into RRD exactly at the beginning of interval. That's why I see decimal
>>numbers in RRD file whereas I send integer data.
>>This adjustment thing is a little annoying. The same thing happens with
> This adjustment is not annoying. It is the foundation of RRDtool.
>>the traffic data I collect. I get data like "354459.8234 bytes" in 5
>>minutes. Is there something to turn this "adjustment" feature off? Or
>>should I patch the code to disable this? Why is there a need to make
>>such an adjustment?
> If you need a plotting program, look for a plotting program.
CHAN CHI HUNG
Managed Computing Competency Centre
NTU, MPE, Blk N3, #01c-10
50 Nanyang Avenue, Singapore 639798
Tel: +65 6790 4420 (O), +65 9731 7462 (Hp)
Fax: +65 6316 0042
Email: chihung at mc-3.org URL: www.mc-3.org
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