[hobbit] number of datasources in RRD's created by NCV

Dominique Frise Dominique.Frise at unil.ch
Fri Oct 26 10:33:27 CEST 2007


You are probably missing a carriage return after the last value of the status 
message.


Dominique
UNIL - University of Lausanne

Dennis Ortsen wrote:
> Hi all,
> 
> I've added a custom test to a host that sends (performance)
> information about the mysql daemon that's running on it.
> 
> The data on the status page of that mysql test looks like this:
> 
> threads : 53
> queries per sec : 386
> slow queries : 0
> 
> All values are absolute (GAUGE) so I added this NCV tag in hobbitserver.cfg:
> 
> NCV_mysql="threads:GAUGE,queriespersec:GAUGE,slowqueries:GAUGE"
> 
> I also added "mysql=ncv" to the TEST2RRD list in hobbitserver.cfg I
> kicked the hobbit daemons so the hobbitserver.cfg file would be read
> again. The RRD file is created on the hobbit server after the client
> has sent its data. When I check with `rrdtool dump mysql.rrd` I only
> see the first two datasources (threads and queriespersec). The
> third/last datasource isn't created/updated in the RRD file, although
> you'd expect that according to the NCV_mysql tag in hobbitserver.cfg.
> 
> Is there a limitation in the maximum number of datasources the NCV
> graphing can handle?
> 
> I'm running hobbit 4.2.0 on both client and server BTW.
> 
> Thanks in advance,
> 
> Br.
> 
> Dennis
> 
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> 
> 



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