[hobbit] graph remains at zero rrd problem
Tijl.VanDenBroeck at vlafo.be
Tijl.VanDenBroeck at vlafo.be
Mon Nov 21 12:16:05 CET 2005
Thanks for the help with that Asif :-)
It did inform me that I should use GAUGE insted of DERIVE in plain simple
english, unlike RRDtool's website imho.
I've tested it succesfully and I've changed my scripts to create a line on
the informix graph for each possible DB Space. So now informix.rootdbs.rrd
and informix.datadbs.rrd and lots of others are created and all have the
dataset "percdbs" which represents data DB Space usage in a percentage.
I've adapted my informix section in hobbitgraph.cfg to the following:
[informix]
FNPATTERN informix.(.*).rrd
TITLE Informix
YAXIS Percentage in use
DEF:p at RRDIDX@=@RRDFN@:percdbs:AVERAGE
LINE2:p at RRDIDX#@COLOR@:Percentage in use @RRDPARAM@
-u 100
-l 0
GPRINT:p at RRDIDX@:LAST: \: %5.1lf (cur)
GPRINT:p at RRDIDX@:MAX: \: %5.1lf (max)
GPRINT:p at RRDIDX@:MIN: \: %5.1lf (min)
GPRINT:p at RRDIDX@:AVERAGE: \: %5.1lf (avg)\n
But somehow the graph won't draw anything at all now.
rrdtool dump:
<!-- Round Robin Database Dump -->
<rrd>
<version> 0001 </version>
<step> 300 </step> <!-- Seconds -->
<lastupdate> 1132571497 </lastupdate> <!-- 2005-11-21 12:11:37 CET
-->
<ds>
<name> percdbs </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> 6.6000000000e+02 </value>
<unknown_sec> 87 </unknown_sec>
</ds>
<!-- Round Robin Archives -->
<rra>
<cf> AVERAGE </cf>
<pdp_per_row> 1 </pdp_per_row> <!-- 300 seconds -->
<xff> 5.0000000000e-01 </xff>
<cdp_prep>
<ds><value> NaN </value> <unknown_datapoints> 0
</unknown_datapoints></ds>
</cdp_prep>
<database>
<!-- 2005-11-19 12:15:00 CET / 1132398900 -->
<row><v> NaN </v></row>
...
Asif Iqbal <iqbala-hobbit at qwestip.net>
20/11/2005 11:01
Antwoord a.u.b. aan
hobbit at hswn.dk
Aan
hobbit at hswn.dk
Cc
Onderwerp
Re: [hobbit] graph remains at zero rrd problem
Check this awesome 'howtograph' that Henrik just posted on his website
http://www.hswn.dk/~henrik/howtograph.txt
That might explain lot of your rrd issues.
On Fri, Nov 18, 2005 at 03:30:57PM, Tijl.VanDenBroeck at vlafo.be wrote:
> Hello,
>
> I've been adjusting the BB informix script to send informix info to
> hobbit, that works flawlessly. Next part is creating a graph with the
> usage of the DB Spaces to monitor evolution. In a first instance I want
to
> avoid having trouble with a dynamic number of DB Spaces and I tried to
> create a graph that's pretty static and limited to two DB Spaces.
Creating
> the RRD and so all seems to go fine but when I look at the graph, in the
> legend it stays constantly at zero, it simply does not display the DBS
> usage number and it draws a line on the bottom of the X-axis.
>
> version:
> hobbit-4.0.2 (yes I know, I still need to upgrade, maybe this is the
issue
> itself?)
>
> informix.sh creates the following output:
> DS:dbsusage1:DERIVE:600:0:100
> DS:dbsusage2:DERIVE:600:0:100
> informix.rrd
> 44:66
>
> rrdtool info informix.rrd:
> filename = "informix.rrd"
> rrd_version = "0001"
> step = 300
> last_update = 1132323804
> ds[dbsusage1].type = "DERIVE"
> ds[dbsusage1].minimal_heartbeat = 600
> ds[dbsusage1].min = 0.0000000000e+00
> ds[dbsusage1].max = 1.0000000000e+02
> ds[dbsusage1].last_ds = "44"
> ds[dbsusage1].value = 0.0000000000e+00
> ds[dbsusage1].unknown_sec = 0
> ds[dbsusage2].type = "DERIVE"
> ds[dbsusage2].minimal_heartbeat = 600
> ds[dbsusage2].min = 0.0000000000e+00
> ds[dbsusage2].max = 1.0000000000e+02
> ds[dbsusage2].last_ds = "66"
> ds[dbsusage2].value = 0.0000000000e+00
> ds[dbsusage2].unknown_sec = 0
> rra[0].cf = "AVERAGE"
> rra[0].rows = 576
> rra[0].pdp_per_row = 1
> rra[0].xff = 5.0000000000e-01
> rra[0].cdp_prep[0].value = NaN
> rra[0].cdp_prep[0].unknown_datapoints = 0
> rra[0].cdp_prep[1].value = NaN
> rra[0].cdp_prep[1].unknown_datapoints = 0
> rra[1].cf = "AVERAGE"
> rra[1].rows = 576
> rra[1].pdp_per_row = 6
> rra[1].xff = 5.0000000000e-01
> rra[1].cdp_prep[0].value = 0.0000000000e+00
> rra[1].cdp_prep[0].unknown_datapoints = 0
> rra[1].cdp_prep[1].value = 0.0000000000e+00
> rra[1].cdp_prep[1].unknown_datapoints = 0
> rra[2].cf = "AVERAGE"
> rra[2].rows = 576
> rra[2].pdp_per_row = 24
> rra[2].xff = 5.0000000000e-01
> rra[2].cdp_prep[0].value = 0.0000000000e+00
> rra[2].cdp_prep[0].unknown_datapoints = 0
> rra[2].cdp_prep[1].value = 0.0000000000e+00
> rra[2].cdp_prep[1].unknown_datapoints = 0
> rra[3].cf = "AVERAGE"
> rra[3].rows = 576
> rra[3].pdp_per_row = 288
> rra[3].xff = 5.0000000000e-01
> rra[3].cdp_prep[0].value = 0.0000000000e+00
> rra[3].cdp_prep[0].unknown_datapoints = 168
> rra[3].cdp_prep[1].value = 0.0000000000e+00
> rra[3].cdp_prep[1].unknown_datapoints = 168
>
> hobbitgraph.cfg:
> [informix]
> TITLE Informix
> YAXIS Percentage in use
> DEF:dbspace1=informix.rrd:dbsusage1:AVERAGE
> DEF:dbspace2=informix.rrd:dbsusage2:AVERAGE
> LINE2:dbspace1#A0CC00:dbsusage1
> LINE2:dbspace2#000CCC:dbsusage2
> GPRINT:dbspace1:LAST: \: %5.1lf (cur)
> GPRINT:dbspace1:MAX: \: %5.1lf (max)
> GPRINT:dbspace1:MIN: \: %5.1lf (min)
> GPRINT:dbspace1:AVERAGE: \: %5.1lf (avg)\n
> GPRINT:dbspace2:LAST: \: %5.1lf (cur)
> GPRINT:dbspace2:MAX: \: %5.1lf (max)
> GPRINT:dbspace2:MIN: \: %5.1lf (min)
> GPRINT:dbspace2:AVERAGE: \: %5.1lf (avg)\n
>
>
> I don't really see any error in the RRD file, nor in the output of my
> script or hobbitgraph.cfg. Ofcourse informix is added to
hobbitlaunch.cfg
> in the extra tests and extra script parameters. Logs don't display
> anything weird neither.
>
> Perhaps someone can help me with finding my error. Thanks in advance.
>
> Tijl
>
--
Asif Iqbal
PGP Key: 0xE62693C5 KeyServer: pgp.mit.edu
"..there are two kinds of people: those who work and those who take the
credit...try
to be in the first group;...less competition there." - Indira Gandhi
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