strange rrd results via ncv

[Whilding, Craig]

I've had to reply to myself as hobbit mail isn't getting through to me
for some reason.

 

Gary or others do you know how I can get it to chart the exact vale that
comes in then. It's a bit silly having a graph of 4.8 jobs etc. Also 4.5
is the average of 4 and 5 so it doesn't make much sense anyway, Also
it's the data at the bottom of the graph that is really odd - queue max
= 1.5m, running average 445.0m?

 

Not sure where that data is coming from?

 

Thanks,

Craig

 

________________________________

From: Whilding, Craig 
Sent: 18 January 2008 15:39
To: 'hobbit at hswn.dk'
Subject: strange rrd results via ncv

 

We recently rolled out a sun grid engine platform and I'm now trying to
gather performance/usage information from it (if someone already has a
collection of scripts this would also help me immensely).

 

I've written a perl script that passes job queue information to hobbit
which outputs in the following format:

 

Running    jobs : 7
Queued     jobs : 0
Xfering    jobs : 0
Errorstate jobs : 0

 

This should be ideal for ncv and I have therefore added ginfo=ncv to
TEST2RRD in hobbitserver.cfg as well as
NCV_qinfo="Runningjobs:GAUGE,Queuedjobs:GAUGE,Xferingjobs:GAUGE,Errorsta
tejobs:GAUGE" on its own line because this is fluctuating data and not a
counter.

 

The graph definition looks like this:

[qinfo]

        TITLE Q Info

        YAXIS Jobs

        DEF:running=qinfo.rrd:Runningjobs:AVERAGE

        DEF:queued=qinfo.rrd:Queuedjobs:AVERAGE

        DEF:xfering=qinfo.rrd:Xferingjobs:AVERAGE

        DEF:errorstate=qinfo.rrd:Errorstatejobs:AVERAGE

        LINE2:running#0000FF:Running Jobs

        LINE2:queued#00CC33:Queued Jobs

        LINE2:xfering#FF0000:Xfering Jobs

        LINE2:errorstate#FFFF00:Errorstate Jobs

        COMMENT:\n

        GPRINT:running:LAST:Running jobs \: %5.1lf%s (cur)

        GPRINT:running:MAX: \: %5.1lf%s (max)

        GPRINT:running:MIN: \: %5.1lf%s (min)

        GPRINT:running:AVERAGE: \: %5.1lf%s (avg)\n

        GPRINT:queued:LAST:Queued jobs \: %5.1lf%s (cur)

        GPRINT:queued:MAX: \: %5.1lf%s (max)

        GPRINT:queued:MIN: \: %5.1lf%s (min)

        GPRINT:queued:AVERAGE: \: %5.1lf%s (avg)\n

        GPRINT:xfering:LAST:Xfering jobs \: %5.1lf%s (cur)

        GPRINT:xfering:MAX: \: %5.1lf%s (max)

        GPRINT:xfering:MIN: \: %5.1lf%s (min)

        GPRINT:xfering:AVERAGE: \: %5.1lf%s (avg)\n

        GPRINT:errorstate:LAST:Errorstate jobs \: %5.1lf%s (cur)

        GPRINT:errorstate:MAX: \: %5.1lf%s (max)

        GPRINT:errorstate:MIN: \: %5.1lf%s (min)

        GPRINT:errorstate:AVERAGE: \: %5.1lf%s (avg)\n

 

 

As you can see from the attached graph there are some rather strange
results coming out and the rrd file contains values such as 3.9/4.8 when
you really can't have .x of a job and the output from the script only
ever shows whole numbers as it should.

 

Thanks for any help with what's going wrong.

 

 

Regards,

Craig Whilding

IT Systems Contractor

Mentor Graphics

 

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