[rrd-users] Re: update not updating

Alex van den Bogaerdt alex at ergens.op.het.net
Wed Jun 4 01:27:13 MEST 2003

On Tue, Jun 03, 2003 at 10:57:09PM +0200, Serge Maandag wrote:
> a step of 300 and a heartbeat of 36 doesn't seem right to me.
> Be sure to read the 'heartbeat and the step' part of the create manual on the website if it's not a typo.

This isn't necessarily wrong but yes, I do think it is an user error.

> Every 5 minutes I run

This is a good indication that heartbeat==36 is wrong.

Running rrdtool update every 'x' seconds where x > heartbeat will result
in unknown values.

Running rrdtool update every 'x' seconds where x < step size is OK and
can for instance be used when 64-bit counters aren't available and the
amount of traffic causes 2 counter wraps per run.


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