[Xymon] Xymon graphs logs broken pipe error

Lasse Knudsen lasse.h.knudsen at gmail.com
Wed Sep 9 09:29:15 CEST 2015


I need to graph the usage of a SGE grid, the collection of data goes fine.
here is AVERAGE from the rrd database

USED,TOTAL,ERROR are the 3 things i log. And that looks to me to be working

output from rrdtool fetch ./sgegraph.rrd  AVERAGE
1441781400: 3.0000000000e+00 3.1200000000e+02 2.4000000000e+01
1441781700: 3.0000000000e+00 3.1200000000e+02 2.4000000000e+01
1441782000: 3.0000000000e+00 3.1200000000e+02 2.4000000000e+01
1441782300: 3.0000000000e+00 3.1200000000e+02 2.4000000000e+01
1441782600: 3.0000000000e+00 3.1200000000e+02 2.4000000000e+01
1441782900: -nan -nan -nan

the test is called sgegraph

this is the entry in graphs.cfg that i currently use

                TITLE  Datacenter Closet Temperature
                YAXIS Temperature
                LINE2:DCTEMP#00CCCC:DataCenter Temperature
                LINE1:30#FFFF00:Warning Temperature
                LINE1:33#FF0000:Critical Temperature
                GPRINT:DCTEMP:LAST:Datacenter Temperature \: %5.1lf%s (cur)
                GPRINT:DCTEMP:MAX: \: %5.1lf%s (max)
                GPRINT:DCTEMP:MIN: \: %5.1lf%s (min)
                GPRINT:DCTEMP:AVERAGE: \: %5.1lf%s (avg)\n

        TITLE SGE Used Slots
        YAXIS  Used_Slots
        GPRINT:SlotsUsed:LAST:Used Slots  : %5.1lf (cur)
        GPRINT:SlotsUsed:MAX: : %5.1lf (max)
        GPRINT:SlotsUsed:MIN: : %5.1lf (min)
        GPRINT:SlotsUsed:AVERAGE: : %5.1lf (avg)\n

Its heavily reduced from what i need, but i had to try to figure out where
things went wrong

from xymonserver.cfg

TEST2RRD=<loads of things>,DCTEMP=ncv,sgegraph=ncv"


GRAPHS=<loads of things>,DCTEMP,sgegraph

The DCTEMP entry graphs fine, but i cant get the sgegraph to graph. I did
find this error in the apache error.log file.

[Wed Sep 09 07:59:01.596256 2015] [cgid:error] [pid 12664:tid
140216580957952] (32)Broken pipe: [client] AH02550: Failed
to flush CGI output to client, referer:

But i was not able to find anything on that.


P.s I realize this post is messy.
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