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Re: [pS-dev] Re: Store request in RRD-MA 2.3. rc3


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  • From: Szymon Trocha <>
  • To: perfsonar-dev <>
  • Subject: Re: [pS-dev] Re: Store request in RRD-MA 2.3. rc3
  • Date: Mon, 08 Oct 2007 11:02:28 +0200

Hi Ilias,

Ilias Tsompanidis wrote:

The store-eps-request.xml is the one that produces NaN. Any ideas? I get NaN also with store-eps-request2.xml
The first has optional parameter dataSourceType ABSOLUTE and the latter GAUGE.
The both created new rrd files and I let them populate for at least 15 minutes.

The rrdtool info output is :
rrd_version = "0003"
step = 300
last_update = 1191585752
*ds[ds].type = "COUNTER"*
ds[ds].minimal_heartbeat = 1800
ds[ds].min = 0.0000000000e+00
ds[ds].max = 1.0000000000e+13
ds[ds].last_ds = "U"
ds[ds].value = NaN
ds[ds].unknown_sec = 152

As you see your RRD file is still supporting COUNTER type. This is because the current implementation doesn't take into account these parameters from the request - it takes them from service.properties instead. So in fact in order to change it you would have to change service.properties file.
To be honest you are probably the first person to try using store functionality. This was probably dead end as I haven't heard anybody using it in their network (everybody uses MRTG, Cacti, etc).

Regards,
--
Szymon Trocha

Poznan Supercomputing & Ntw. Center ::: NETWORK OPERATION CENTER
Tel. (+48 61) 8582022
http://noc.man.poznan.pl ::: http://noc.pionier.gov.pl



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