Changes between Version 3 and Version 4 of RrdFaq


Ignore:
Timestamp:
Feb 5, 2008, 10:53:48 AM (14 years ago)
Author:
oetiker
Comment:

added sampling question

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  • RrdFaq

    v3 v4  
    2121The values that come out of rrdtool are sort of similar to what I put in, but they do not match exactly.''
    2222
    23 A: ?
     23A: Think of rrdtool as a 'sampling-device'. The data you provide through the update interface will
     24be resampled to fit the bins you defined when setting the --step value at rrd creation time. If you want to get out exactly what you put in, you have to make sure that you provide your input exactly at the step boundaries (10:00:00, 10:05:00).
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