Re: [rrd-users] RRD create. Advice needed if this is correct.

Js wrote:

>I want to create a RRD database that contains 4 values over a timespan
>of 10 years.
>The database should be updated only 2 times per day that makes every 12
>hours or 43200 seconds.
>
>one DS should just hold the latest entry
>one DS should hold the average of 1 day (that makes 2 times 43200) for a
>timespan of 10 years.
>one DS should hold the average of 31 days (that makes 62 times 43200)
>for a timespan of 10 years.
>one DS should hold the average of 365 days (that makes 730 times 43200)
>for a timespan of 10 years.
>
>
>#/usr/bin/rrdtool create test.rrd --step 43200 DS:test:GAUGE:86400:0:U \
>RRA:AVERAGE:0.5:1:1 \
>RRA:AVERAGE:0.5:2:3650 \
>RRA:AVERAGE:0.5:62:120 \
>RRA:AVERAGE:0.5:730:10
>
>The rrd file is only 31K in size, which is quite small.

If you count up your storage requirements, you have 10 + 120 + 3650 +
1 = 3781 DS slots, plus a bit of overhead. So 31k sounds quite
reasonable.

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