[rrd-users] How to read data with min time value is day

Larry Adams larryjadams at comcast.net
Tue Dec 29 16:01:08 CET 2009

Vinod Sharma wrote:
> Hi,
> I have a separate tool which generates reports on day basis. i.e.
> <date>,<value>
> YYYY-MM-DD,numbers
> I am just wondering if there is any option in rrdtool to create rrd's 
> to take day as the minimum length of time.
> Regards,
> ------------------------------------------------------------------------
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Simply put, the Step would be 86400, with a heartbeat of roughly twice 
that.  Then, so long as you insert at least once a day, you are 
covered.  You should carefully consider what RRA's that you define as 
well, as I don't see a need to aggregate data beyond one day.  Also, 
since you are only performing one insert per day, you somewhat defeat 
the whole Consolidation Function engine within the RRDfile schemata.  
However, what you are planning is technically feasible.


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