[hobbit] Another newbie needs help w/ custom graphs

[Rich Smrcina]

I took a look at a NCV that I have set up and in hobbitserver.cfg GAUGE 
is capitalized.  RRD may be picky about case so try:

NCV_weblogic="usedheap:GAUGE"

Bouchard, Brian wrote:
> Hi Rich,
> 
> I added that and bounced Hobbit, but it didn't seem to help.  
> 
> Any other thoughts?
> 
> -----Original Message-----
> From: Rich Smrcina [mailto:rsmrcina at wi.rr.com] 
> Sent: Thursday, September 25, 2008 2:26 PM
> To: hobbit at hswn.dk
> Subject: Re: [hobbit] Another newbie needs help w/ custom graphs
> 
> Brian,
> 
> In addition to adding 'weblogic=ncv' to TEST2RRD, you also have to add 
> 'weblogic' (without =ncv) to GRAPHS.
> 
> Remember to bounce Hobbit after the change as it only processes the file
> 
> at startup time.
> 
> Bouchard, Brian wrote:
>> I've been working with Hobbit for all of a couple of weeks now,
> although 
>> I have some limited exposure to Big Brother in a previous life...
>>
>>  
>>
>> In order to learn the tool better, I wrote a simple custom monitor
> that 
>> watches Heap usage in an application server.  This seems to be 
>> collecting data fine, but now I want to figure out how to graph this 
>> information in an rrd graph.
>>
>>  
>>
>> Here's where I stand.
>>
>>  
>>
>> - I have a column called "weblogic" in Hobbit.
>>
>> - When you click on that column for a given host, you see a field
> called 
>> "used_heap"
>>
>> - I edited hobbitserver.cfg and added a piece at the end of the
> TEST2RRD 
>> line:   weblogic=ncv
>>
>> - I also added a line to the same file:
> NCV_weblogic="usedheap:Gauge"
>> - I I'm generating a file called weblogic.rrd in
> ../data/rrd/<HOSTNAME>
>>  
>>
>> But, when I go to the weblogic column, at the bottom of the page there
> 
>> is a space where the graph should be that says "hobbit graph 
>> ncv:weblogic"  No graph.
>>
>>  
>>
>> I THINK everything is ok up to this point, but then comes the 
>> hobbitgraph.cfg file, and I have to be honest, I really don't
> understand 
>> this file at all and haven't come across a good explanation yet, so
> I'm 
>> open to someone telling me to go read some website before I post, if 
>> it's glaringly obvious. I used some other files and the examples I
> found 
>> online to come up with this...
>>
>>  
>>
>> [weblogic]
>>
>>         TITLE Heap Usage
>>
>>         YAXIS Bytes
>>
>>         DEF:heap=weblogic.rdd:usedheap:AVERAGE
>>
>>         LINE2:heap#00CCCC:Heap Used
>>
>>         COMMENT:\n
>>
>>         GPRINT:heap:LAST:Heap Used \: %5.1lf%s (cur)
>>
>>         GPRINT:heap:MAX: \: %5.11f%s (max)
>>
>>         GPRINT:heap:MIN: \: %5.11f%s (min)
>>
>>         GPRINT:heap:AVERAGE: \: %5.11f%s (avg)\n
>>
>>  
>>
>>  
>>
>> I could use some help getting this graph going, and even explaining
> the 
>> entries in the hobbitgraph.cfg file if anyone has the patience to help
> 
>> walk me through this.
>>
>>  
>>
>> - Brian
>>
> 

-- 
Rich Smrcina
VM Assist, Inc.
Phone: 414-491-6001
Ans Service:  360-715-2467
rich.smrcina at vmassist.com
http://www.linkedin.com/in/richsmrcina

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