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List:       rrd-users
Subject:    Re: [rrd-users] A plague of NaNs
From:       Tobias Oetiker <tobi () oetiker ! ch>
Date:       2011-11-02 13:32:14
Message-ID: alpine.DEB.2.02.1111021431380.2630 () born ! oetiker ! ch
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Hi Jeff,

Today Jeff Gilmore wrote:

> Thanks Alex.
>
> If I understand you correctly, it sounds like my RRDs need a
> heartbeat value as long or longer than the longest expected gap
> between updates.  So if I can't guarantee 60 second data updates,
> I should set a heartbeat like 90 or 120 seconds.  Correct?

exactly ...

you can use rrdtool tune to modify this in existing rrd files.

cheers
tobi


-- 
Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland
http://it.oetiker.ch tobi@oetiker.ch ++41 62 775 9902 / sb: -9900

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