[hobbit] Custom Graph
Gary Baluha
gumby3203 at gmail.com
Tue Mar 27 16:47:31 CEST 2007
You shouldn't need to reboot for the changes to take effect. Actually, the
configuration in hobbitgraph.cfg is read dynamically.
One thought I had is that there could be some typo farther up in the config
file that is preventing lines below it from being read; I had this happen
once due to the un-capitalization of a keyword (I think comment vs COMMENT,
though I forget exactly).
Thanks Gary,
>
> I've tried deleting and rebooting several times. No joy. I just
> edited the hobbitgraph.cfg in vim, and noticed that the COMMENT lines had
> leading spaces, and all other lines had leading tabs. Looks like it did not
> make a difference though.
>
> I tried to run the hobbitgraph.cgi on the command line, but I don't quite
> understand how to pass it the correct command line arguments.
>
>
> Thanks, Larry
>
> -----Original Message-----
> *From:* Gary Baluha [mailto:gumby3203 at gmail.com]
> *Sent:* Friday, March 23, 2007 1:55 PM
> *To:* hobbit at hswn.dk
> *Subject:* Re: [hobbit] Custom Graph
>
> I've now successfully created dozens of custom graphs, but even still, if
> I haven't done it in a while, it always takes me a while to get it working
> again to add new ones. You may have done some of this already, but here is
> a checklist of some items to test (roughly in order):
>
> 1) The script that is generating the data is outputting letter-for-letter
> what you think it is
> [it looks like this is correct in your case]
> 2) The proper NCV entries (if appropriate; I've only made NCV graphs) are
> made in hobbitserver.cfg
> [again, this looks good]
> 3) The two hobbitd_rrd processes have been restarted (kill -9 on them
> works; hobbit restarts them automatically)
> 4) The RRD file is being generated [in your case, check]
> a) When in doubt, it doesn't hurt to delete the RRD files and let
> hobbit recreate them if you see
> some weirdness in them
> 5) The appropriate entry is made in hobbitgraph.cfg
> 6) If you're getting "hobbit graph ncv:<blah>", it usually means that
> there is some typo or bad
> reference in the hobbitgraph.cfg definition for the graph
>
> The most common problem I've run into is human error on my part in making
> a typo in the hobbitgraph.cfg file. It looks like in your case, it is
> probably because the data doesn't appear to be getting into the RRD file
> properly. The fact that you're getting the "hobbit graph ncv:<blah>" on the
> graph page means you're mostly there. Keep in mind that hobbitgraph.cfgis case-sensitive. The nice thing is, changes made to this file are
> immediate, so as soon as you make a change, you can see the effect in the
> graph.
>
> Also, you don't need unique "<name>"s in the "DEF:<name>" line, so in your
> example above, you could use "DEF:lat . . ." for all of the 3 graphs
> defined. These variables are limited in scope to the graph definition they
> are used with.
>
>
> Hi,
> >
> > I've tried a few times to get the custom graphs to work, but have had no
> >
> > joy getting them to work. Invariably, I get the data into the rrd, but
> > the graph is never drawn.
> >
> > Here is a sample of the data I send to hobbit:
> >
> >
> > --->
> > Fri Mar 23 10:39:23 EDT 2007 - TIB RV Latency monitoring
> >
> > latency : 3.291
> >
> > Status unchanged in 1 days,12 hours, 9 minutes
> > Status message received from 146.121.201.35
> > <---
> >
> > My TEST2RRD line has "...,GCM=ncv,RTE=ncv,SWAP=ncv"
> >
> > My GRAPHS line has "...,GCM,RTE,SWAP"
> >
> > I have 3 lines for NCV:
> >
> > NCV_GCM="latency:GAUGE"
> > NCV_RTE="latency:GAUGE"
> > NCV_SWAP="latency:GAUGE"
> >
> >
> > I generate RRD's for each of my tests, and it looks like there is data,
> > but not exactly as in the example in on Henrik's web site:
> >
> > <!-- Round Robin Database Dump --><rrd> <version> 0003 </version>
> > <step> 300 </step> <!-- Seconds -->
> > <lastupdate> 1174661992 </lastupdate> <!-- 2007-03-23 10:59:52
> > EDT -->
> >
> > <ds>
> > <name> latency </name>
> > <type> GAUGE </type>
> > <minimal_heartbeat> 600 </minimal_heartbeat>
> > <min> 0.0000000000e+00 </min>
> > <max> NaN </max>
> >
> > <!-- PDP Status -->
> > <last_ds> UNKN </last_ds>
> > <value> 1.0409800000e+03 </value>
> > <unknown_sec> 0 </unknown_sec>
> > </ds>
> >
> > <!-- Round Robin Archives --> <rra>
> > <cf> AVERAGE </cf>
> > <pdp_per_row> 1 </pdp_per_row> <!-- 300 seconds -->
> >
> > <params>
> > <xff> 5.0000000000e-01 </xff>
> > </params>
> > <cdp_prep>
> > <ds>
> > <primary_value> 3.7080000000e+00
> > </primary_value>
> > <secondary_value> 3.4782000000e+00
> > </secondary_value>
> > <value> NaN </value>
> > <unknown_datapoints> 0 </unknown_datapoints>
> > </ds>
> > </cdp_prep>
> > <database>
> > <!-- 2007-03-21 11:00:00 EDT / 1174489200 -->
> > <row><v> NaN </v></row>
> > <!-- 2007-03-21 11:05:00 EDT / 1174489500 -->
> > <row><v> NaN </v></row>
> > ..
> > .. <!-- 2007-03-23 10:05:00 EDT / 1174658700 -->
> > <row><v> 3.1933733333e+00 </v></row>
> > <!-- 2007-03-23 10:10:00 EDT / 1174659000 -->
> > <row><v> 3.6878266667e+00 </v></row>
> > <!-- 2007-03-23 10:15:00 EDT / 1174659300 -->
> > <row><v> 3.6010800000e+00 </v></row>
> > <!-- 2007-03-23 10:20:00 EDT / 1174659600 -->
> > <row><v> 3.1187333333e+00 </v></row>
> > <!-- 2007-03-23 10:25:00 EDT / 1174659900 -->
> > <row><v> 3.3115000000e+00 </v></row>
> > <!-- 2007-03-23 10:30:00 EDT / 1174660200 -->
> > <row><v> 3.6026266667e+00 </v></row>
> > <!-- 2007-03-23 10:35:00 EDT / 1174660500 -->
> > <row><v> 3.7042866667e+00 </v></row>
> > <!-- 2007-03-23 10:40:00 EDT / 1174660800 -->
> > <row><v> 3.6735733333e+00 </v></row>
> > <!-- 2007-03-23 10:45:00 EDT / 1174661100 -->
> > <row><v> 3.7481866667e+00 </v></row>
> > <!-- 2007-03-23 10:50:00 EDT / 1174661400 -->
> > <row><v> 3.1970000000e+00 </v></row>
> > <!-- 2007-03-23 10:55:00 EDT / 1174661700 -->
> > <row><v> 3.7080000000e+00 </v></row>
> > </database>
> > </rra>
> >
> >
> >
> > I have the following in my hobbitgrpah.cfg:
> >
> >
> > [GCM]
> > TITLE GCM Latency Monitor
> > YAXIS Micro Seconds (uSec)
> > DEF:lat=GCM.rrd:latency:AVERAGE
> > LINE2:lat#00CCCC:uSeconds
> > COMMENT:\n
> > GPRINT:lat:LAST:Latency \: %5.11f%s (cur)
> > GPRINT:lat:MAX: \: %5.11f%s (max)
> > GPRINT:lat:MIN: \: %5.11f%s (min)
> > GPRINT:lat:AVERAGE: \: %5.11f%s (avg)\n
> >
> > [RTE]
> > TITLE RTE Latency Monitor
> > YAXIS Micro Seconds (uSec)
> > DEF:latency=RTE.rrd:latency:AVERAGE
> > LINE2:latency#00CCCC:uSeconds
> > COMMENT:\n
> > GPRINT:latency:LAST:Latency \: %5.11f%s (cur)
> > GPRINT:latency:MAX: \: %5.11f%s (max)
> > GPRINT:latency:MIN: \: %5.11f%s (min)
> > GPRINT:latency:AVERAGE: \: %5.11f%s (avg)\n
> > [SWAP]
> > TITLE SWAP Latency Monitor
> > YAXIS Micro Seconds (uSec)
> > DEF:foo=SWAP.rrd:latency:AVERAGE
> > LINE2:foo#00CCCC:uSeconds
> > COMMENT:\n
> > GPRINT:foo:LAST:Latency \: %5.11f%s (cur)
> > GPRINT:foo:MAX: \: %5.11f%s (max)
> > GPRINT:foo:MIN: \: %5.11f%s (min)
> > GPRINT:foo:AVERAGE: \: %5.11f%s (avg)\n
> >
> >
> > No matter which way I configure it the graphs do not generate, but
> > instead I get a small box that says:
> >
> > "hobbit graph ncv:GCM"
> >
> > I am currently running on a BL25P blade, RHAS4, rrdtool 1.2.15, hobbit
> > 4.3.0-20061124.
> >
> > I monitor several hundred hosts with no problem (Thanks Henrik!), but
> > have never been able to get this to work. Any help is appreciated...
> >
> > Larry
> >
> >
> >
> >
> > <HTML><BODY><P><hr size=1></P><br>
> > <P><STRONG><br>
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> >
> >
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> > hobbit-unsubscribe at hswn.dk
> >
> >
> >
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