[rrd-users] Re: Data Averaging

[Huot, Caroline]

Here is the content of the rrd db :
filename = "stjo.rrd"
rrd_version = "0001"
step = 900
last_update = 1106783686
ds[Press].type = "GAUGE"
ds[Press].minimal_heartbeat = 900
ds[Press].min = NaN
ds[Press].max = NaN
ds[Press].last_ds = "UNKN"
ds[Press].value = 5.8453640000e+05
ds[Press].unknown_sec = 0
ds[temp].type = "GAUGE"
ds[temp].minimal_heartbeat = 900
ds[temp].min = NaN
ds[temp].max = NaN
ds[temp].last_ds = "UNKN"
ds[temp].value = -5.0682000000e+03
ds[temp].unknown_sec = 0
ds[Hum].type = "GAUGE"
ds[Hum].minimal_heartbeat = 900
ds[Hum].min = NaN
ds[Hum].max = NaN
ds[Hum].last_ds = "UNKN"
ds[Hum].value = 4.0056600000e+04
ds[Hum].unknown_sec = 0
rra[0].cf = "AVERAGE"
rra[0].rows = 140160
rra[0].pdp_per_row = 1
rra[0].xff = 5.0000000000e-01
rra[0].cdp_prep[0].value = NaN
rra[0].cdp_prep[0].unknown_datapoints = 0
rra[0].cdp_prep[1].value = NaN
rra[0].cdp_prep[1].unknown_datapoints = 0
rra[0].cdp_prep[2].value = NaN
rra[0].cdp_prep[2].unknown_datapoints = 0
Perhaps, you could suggest a better way to graph long time series that would
solve the problem ?

Thanks

-----Original Message-----
From: rrd-users-bounce at list.ee.ethz.ch
[mailto:rrd-users-bounce at list.ee.ethz.ch]On Behalf Of Serge Maandag
Sent: February 16, 2005 09:23
To: Huot, Caroline; rrd-users at list.ee.ethz.ch
Subject: [rrd-users] Re: Data Averaging


> the data looks fine 
> when I plot 6 days of data, but if I graph 7 days or more 
> data, the values are being averaged out.
> > Create RRD database for 1 value per 15min for 4 years:
> > XFF=0.5
> > RRAS=RRA:AVERAGE:0.5:1:140160
> > STEP=900
> > HEARTBEAT=900
> > DS:Press:GAUGE:900:U:U
> > DS:temp:GAUGE:900:U:U
> > DS:Hum:GAUGE:900:U:U

Are you sure the database was built that way?
It makes no sense.

try "rrdtool info" or "rrdtool dump" to see if the database
really was built the way you say.

Serge.

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