[rrd-users] Re: problem fetching from RRDs...

Alex van den Bogaerdt alex at ergens.op.het.net
Mon Jul 11 17:54:32 MEST 2005


On Mon, Jul 11, 2005 at 04:17:37PM +0100, John Whyte wrote:

> rrdtool create testrrd.rrd --step 300 \
>  -b 1119221000 \
>  DS:IN:DERIVE:300:0:U \
>  DS:OUT:DERIVE:300:0:U \

:300:  -->  heartbeat 300

>  RRA:MAX:0.5:1:13393 \
>  RRA:AVERAGE:0.5:288:797
> 
> I've updated using the following...
> 
> rrdtool update testrrd.rrd \
> 1119222097:1770925728:53750116764 \
> 1119222399:1773220458:53825364645 \

1119222399 - 1119222097 = 302 > 300

> 1119222701:1775486806:53900771913 \

1119222701 - 1119222399 = 302 > 300

and so on.

> Which suggests that data is not getting put into the RRA's.  Has anyone
> got any idea what is going on here, and how to fix it such that RRD
> fetch returns the correct values?

For more information on heartbeat: RTFM.

Alex

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