[hobbit] Strange rrd problem

[Thomas Kaehn]

Hi Henrik,

On Fri, Jul 13, 2007 at 12:49:22PM +0200, Henrik Stoerner wrote:
> One reason for the flat always-zero pop3 graph could be that it 
> responds faster than Hobbit monitors. If the response time is
> less than 10 ms, then Hobbit will report it as zero - look at
> the pop3 status page and see the "Seconds: x.xx" which is the
> data that Hobbit uses for the graph.

OK, this would explain why zero is reported.

> As for the diamond-shaped graph - yes, this is quite puzzling.
> I've had a couple of other reports (see e.g. this thread:
> http://www.hobbitmon.com/hobbiton/2005/10/msg00332.html).
> We haven't been able to figure out why this happens, the data
> that goes into the RRD file look sane.

The data in the rrd file looks strange however when dumped using
rrdtool. So every other value is different.

Ciao,
Thomas


<!-- 2007-07-13 05:55:00 CEST / 1184298900 --> <row><v> 3.0100000000e+00 </v></row>
<!-- 2007-07-13 06:00:00 CEST / 1184299200 --> <row><v> 3.0100000000e+00 </v></row>
<!-- 2007-07-13 06:05:00 CEST / 1184299500 --> <row><v> 2.6000000000e+00 </v></row>
<!-- 2007-07-13 06:10:00 CEST / 1184299800 --> <row><v> 4.3000000000e-01 </v></row>
<!-- 2007-07-13 06:15:00 CEST / 1184300100 --> <row><v> 2.6300000000e+00 </v></row>
<!-- 2007-07-13 06:20:00 CEST / 1184300400 --> <row><v> 4.1000000000e-01 </v></row>
<!-- 2007-07-13 06:25:00 CEST / 1184300700 --> <row><v> 2.6500000000e+00 </v></row>
<!-- 2007-07-13 06:30:00 CEST / 1184301000 --> <row><v> 3.9000000000e-01 </v></row>
<!-- 2007-07-13 06:35:00 CEST / 1184301300 --> <row><v> 2.6700000000e+00 </v></row>
<!-- 2007-07-13 06:40:00 CEST / 1184301600 --> <row><v> 3.7000000000e-01 </v></row>
<!-- 2007-07-13 06:45:00 CEST / 1184301900 --> <row><v> 2.6900000000e+00 </v></row>
<!-- 2007-07-13 06:50:00 CEST / 1184302200 --> <row><v> 3.5000000000e-01 </v></row>
<!-- 2007-07-13 06:55:00 CEST / 1184302500 --> <row><v> 2.7100000000e+00 </v></row>
<!-- 2007-07-13 07:00:00 CEST / 1184302800 --> <row><v> 3.3000000000e-01 </v></row>
<!-- 2007-07-13 07:05:00 CEST / 1184303100 --> <row><v> 2.7300000000e+00 </v></row>
<!-- 2007-07-13 07:10:00 CEST / 1184303400 --> <row><v> 3.0900000000e-01 </v></row>
<!-- 2007-07-13 07:15:00 CEST / 1184303700 --> <row><v> 2.7408666667e+00 </v></row>
<!-- 2007-07-13 07:20:00 CEST / 1184304000 --> <row><v> 2.9000000000e-01 </v></row>
<!-- 2007-07-13 07:25:00 CEST / 1184304300 --> <row><v> 2.7700000000e+00 </v></row>
<!-- 2007-07-13 07:30:00 CEST / 1184304600 --> <row><v> 2.6000000000e-01 </v></row>
<!-- 2007-07-13 07:35:00 CEST / 1184304900 --> <row><v> 2.7900000000e+00 </v></row>
<!-- 2007-07-13 07:40:00 CEST / 1184305200 --> <row><v> 2.4000000000e-01 </v></row>
<!-- 2007-07-13 07:45:00 CEST / 1184305500 --> <row><v> 2.8200000000e+00 </v></row>
<!-- 2007-07-13 07:50:00 CEST / 1184305800 --> <row><v> 2.2000000000e-01 </v></row>
<!-- 2007-07-13 07:55:00 CEST / 1184306100 --> <row><v> 2.8400000000e+00 </v></row>
<!-- 2007-07-13 08:00:00 CEST / 1184306400 --> <row><v> 2.0000000000e-01 </v></row>
<!-- 2007-07-13 08:05:00 CEST / 1184306700 --> <row><v> 2.8600000000e+00 </v></row>
<!-- 2007-07-13 08:10:00 CEST / 1184307000 --> <row><v> 1.8000000000e-01 </v></row>


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