[rrd-developers] DS idea
Alex van den Bogaerdt
alex at vandenbogaerdt.nl
Mon Oct 11 07:55:35 CEST 2010
----- Original Message -----
From: "Tobias Oetiker" <tobi at oetiker.ch>
To: "Alex van den Bogaerdt" <alex at vandenbogaerdt.nl>
Cc: <rrd-developers at lists.oetiker.ch>
Sent: Monday, October 11, 2010 7:43 AM
Subject: Re: [rrd-developers] DS idea
> Hi Alex,
> Today Alex van den Bogaerdt wrote:
>> I did nothing more than change step from 300 into 1, and multiplying each
>> steps by 300. Nothing special, nothing complex, just different.
> the following scenario:
> a single RRD with 2 Data Sources two RRAs one with AVERAGE the
> other with MAX stored at 300 second intervals.
> Datasource A is a COUNTER you poll every ~300 seconds.
> Datasource B is a GAUGE where you want to store the actual value
> read to the RRD every 300 seconds (without re-sampling).
> To avoid jitter you want to use the actual poll time when feeding
> the data to the RRD.
> the example you just posted does not address this as far as I can
That is because in that example, I want MAX, not LAST.
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