[rrd-users] creating a rrd database with specific RRAs
mmcgrew at gmail.com
Tue Aug 10 21:15:43 CEST 2010
I have read the documentation several times as well as several examples
given out on the internet, and I am still having a hard time understanding
the formulas for creating the RRAs in a RRD db.
I have the following scenario, and am wondering if/how I could do this:
1. End goal is to graph the memory usage for a machine (free, cached, etc).
I understand how to create the DS's. I am using a step of 5 minutes (300
seconds). I only want to store a maximum of 3 days worth of data, as shown
2. I would like to have graphs for:
Hourly (1 minute average)
Daily (5 minute average)
3 days (30 minute average)
3. For each of the above, I would also like to have the ability to determine
the MAX value as well.
Can anyone attempt to explain the formula needed to convert the above into
Thanks in advance.
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