I believe the issue is with RRDtool. IIRC EPEL comes with rrdtool 1.2
which lacks a lot of functionality we rely on. Please upgrade to 1.3+.
Vladimir
On Fri, 2 Nov 2012, Timothy Denike wrote:
Hey there,
I seem to be having the same issue posted by John Alberts on Sep 19. Was a
resolution ever discovered?
Thread: http://comments.gmane.org/gmane.comp.monitoring.ganglia.general/3104
I'm setting up a brand-new Ganglia instance, compiled from Source RPM on OEL
5u6. (I believe John was running
CentOS EL5u6 as well.) libconfuse and and apr installed from EPEL. Pretty
standard config.
It seems to only affect the load and network reports. Other graphs, memory,
cpu, etc work fine.
Apache error log shows:
ERROR: invalid rpn expression in: a0,a2,ADDNAN,a3,ADDNAN,
Debug:
/ganglia/graph.php?me=unspecified&m=load_one&r=hour&s=by%20name&hc=4&mc=2&g=load_report&z=medium&debug=5
Output:
/usr/bin/rrdtool graph - --start '-3600s' --end now --width 300 --height 123
--title 'unspecified Grid Load last
hour' --vertical-label 'Loads/Procs' --lower-limit 0 --slope-mode
DEF:'a0'='/var/lib/ganglia/rrds//__SummaryInfo__/load_one.rrd':'sum':AVERAGE
DEF:'a1'='/var/lib/ganglia/rrds//__SummaryInfo__/cpu_num.rrd':'num':AVERAGE
DEF:'a2'='/var/lib/ganglia/rrds//__SummaryInfo__/cpu_num.rrd':'sum':AVERAGE
DEF:'a3'='/var/lib/ganglia/rrds//__SummaryInfo__/proc_run.rrd':'sum':AVERAGE
CDEF:'total'=a0,a1,ADDNAN,a2,ADDNAN,a3,ADDNAN, AREA:'a0'#BBBBBB:'1-min'
VDEF:a0_last=a0,LAST
VDEF:a0_min=a0,MINIMUM VDEF:a0_avg=a0,AVERAGE VDEF:a0_max=a0,MAXIMUM
GPRINT:'a0_last':'Now\:%5.1lf%s'
GPRINT:'a0_min':'Min\:%5.1lf%s' GPRINT:'a0_avg':'Avg\:%5.1lf%s'
GPRINT:'a0_max':'Max\:%5.1lf%s\l'
LINE2:'a1'#00FF00:'Nodes' VDEF:a1_last=a1,LAST VDEF:a1_min=a1,MINIMUM
VDEF:a1_avg=a1,AVERAGE
VDEF:a1_max=a1,MAXIMUM GPRINT:'a1_last':'Now\:%5.1lf%s'
GPRINT:'a1_min':'Min\:%5.1lf%s'
GPRINT:'a1_avg':'Avg\:%5.1lf%s' GPRINT:'a1_max':'Max\:%5.1lf%s\l'
LINE2:'a2'#FF0000:'CPUs ' VDEF:a2_last=a2,LAST
VDEF:a2_min=a2,MINIMUM VDEF:a2_avg=a2,AVERAGE VDEF:a2_max=a2,MAXIMUM
GPRINT:'a2_last':'Now\:%5.1lf%s'
GPRINT:'a2_min':'Min\:%5.1lf%s' GPRINT:'a2_avg':'Avg\:%5.1lf%s'
GPRINT:'a2_max':'Max\:%5.1lf%s\l'
LINE2:'a3'#2030F4:'Procs' VDEF:a3_last=a3,LAST VDEF:a3_min=a3,MINIMUM
VDEF:a3_avg=a3,AVERAGE
VDEF:a3_max=a3,MAXIMUM GPRINT:'a3_last':'Now\:%5.1lf%s'
GPRINT:'a3_min':'Min\:%5.1lf%s'
GPRINT:'a3_avg':'Avg\:%5.1lf%s' GPRINT:'a3_max':'Max\:%5.1lf%s\l'
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