Hi, we’re using 19.5.9872 (7th May 2019), and are seeing an error in graph drawing: when we choose “Graph Trend” on any graph (that I’ve tried so far), I just get “Error Drawing Graph”.
Showing the RRD command also shows the error:
RRDTool Output: ERROR: invalid rpn expression in: 586400,-7,1800,inbits,PREDICT
(full output shown below)
Is this a known problem?
Thanks,
-Adam
Adam Thompson
Consultant, Infrastructure Services
![[MERLIN LOGO]](cid:image001.png@01D5154C.8514AC40){kind=small}
100 - 135 Innovation Drive
Winnipeg, MB, R3T 6A8
(204) 977-6824 or 1-800-430-6404 (MB only)
athompson@merlin.mb.ca
www.merlin.mb.ca
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Description
Device total traffic in bits/sec.
Performance & Output
RRDTool Output: ERROR: invalid rpn expression in: 586400,-7,1800,inbits,PREDICT
RRDtool Runtime: 0.032s | Total time: 0.035s
RRDTool Command
/usr/bin/rrdtool graph /tmp/iUIcLU9ZVLrCITXP.png -g -Y --alt-autoscale --rigid --start 1558976316 --end 1559062716 --width 1152 --height 300 -c BACK#EEEEEE00 -c SHADEA#EEEEEE00 -c SHADEB#EEEEEE00 -c FONT#000000 -c CANVAS#FFFFFF00 -c GRID#a5a5a5
-c MGRID#FF9999 -c FRAME#5e5e5e -c ARROW#5e5e5e -R normal --font LEGEND:8:'DroidSansMono,DejaVuSansMono' --font AXIS:7:'DroidSansMono,DejaVuSansMono' --font-render-mode normal -E DEF:inB0=/opt/observium/rrd/10.0.2.3/port-1.rrd:INOCTETS:AVERAGE DEF:outB0=/opt/observium/rrd/10.0.2.3/port-1.rrd:OUTOCTETS:AVERAGE
CDEF:octets0=inB0,outB0,+ CDEF:inbits0=inB0,8,* CDEF:outbits0=outB0,8,* CDEF:outbits0_neg=outbits0,-1,* CDEF:bits0=inbits0,outbits0,+ VDEF:totinB0=inB0,TOTAL VDEF:totoutB0=outB0,TOTAL VDEF:tot0=octets0,TOTAL AREA:inbits0#7aa537:'Et1 Rx' GPRINT:inbits0:LAST:%6.2lf%s
GPRINT:inbits0:AVERAGE:%6.2lf%s GPRINT:inbits0:MIN:%6.2lf%s GPRINT:inbits0:MAX:%6.2lf%s GPRINT:totinB0:%6.2lf%sB COMMENT:'\l' HRULE:999999999999999#6a6aa9:' Tx' GPRINT:outbits0:LAST:%6.2lf%s GPRINT:outbits0:AVERAGE:%6.2lf%s GPRINT:outbits0:MIN:%6.2lf%s GPRINT:outbits0:MAX:%6.2lf%s
GPRINT:totoutB0:%6.2lf%sB COMMENT:'\l' DEF:inB1=/opt/observium/rrd/10.0.2.3/port-2.rrd:INOCTETS:AVERAGE DEF:outB1=/opt/observium/rrd/10.0.2.3/port-2.rrd:OUTOCTETS:AVERAGE CDEF:octets1=inB1,outB1,+ CDEF:inbits1=inB1,8,* CDEF:outbits1=outB1,8,* CDEF:outbits1_neg=outbits1,-1,*
CDEF:bits1=inbits1,outbits1,+ VDEF:totinB1=inB1,TOTAL VDEF:totoutB1=outB1,TOTAL VDEF:tot1=octets1,TOTAL AREA:inbits1#3e7a24:'Et2 Rx':STACK GPRINT:inbits1:LAST:%6.2lf%s GPRINT:inbits1:AVERAGE:%6.2lf%s GPRINT:inbits1:MIN:%6.2lf%s GPRINT:inbits1:MAX:%6.2lf%s
GPRINT:totinB1:%6.2lf%sB COMMENT:'\l' HRULE:999999999999999#35356e:' Tx' GPRINT:outbits1:LAST:%6.2lf%s GPRINT:outbits1:AVERAGE:%6.2lf%s GPRINT:outbits1:MIN:%6.2lf%s GPRINT:outbits1:MAX:%6.2lf%s GPRINT:totoutB1:%6.2lf%sB COMMENT:'\l' DEF:inB2=/opt/observium/rrd/10.0.2.3/port-999001.rrd:INOCTETS:AVERAGE
DEF:outB2=/opt/observium/rrd/10.0.2.3/port-999001.rrd:OUTOCTETS:AVERAGE CDEF:octets2=inB2,outB2,+ CDEF:inbits2=inB2,8,* CDEF:outbits2=outB2,8,* CDEF:outbits2_neg=outbits2,-1,* CDEF:bits2=inbits2,outbits2,+ VDEF:totinB2=inB2,TOTAL VDEF:totoutB2=outB2,TOTAL
VDEF:tot2=octets2,TOTAL AREA:inbits2#034f11:'Mgmt1 Rx':STACK GPRINT:inbits2:LAST:%6.2lf%s GPRINT:inbits2:AVERAGE:%6.2lf%s GPRINT:inbits2:MIN:%6.2lf%s GPRINT:inbits2:MAX:%6.2lf%s GPRINT:totinB2:%6.2lf%sB COMMENT:'\l' HRULE:999999999999999#000033:' Tx' GPRINT:outbits2:LAST:%6.2lf%s
GPRINT:outbits2:AVERAGE:%6.2lf%s GPRINT:outbits2:MIN:%6.2lf%s GPRINT:outbits2:MAX:%6.2lf%s GPRINT:totoutB2:%6.2lf%sB COMMENT:'\l' CDEF:inB=inB0,inB1,inB2,ADDNAN,ADDNAN CDEF:outB=outB0,outB1,outB2,ADDNAN,ADDNAN CDEF:octets=inB,outB,+ CDEF:doutB=outB,-1,* CDEF:inbits=inB,8,*
CDEF:outbits=outB,8,* CDEF:bits=inbits,outbits,+ CDEF:doutbits=doutB,8,* VDEF:95thin=inbits,95,PERCENT VDEF:95thout=outbits,95,PERCENT CDEF:pout_tmp=doutbits,-1,* VDEF:dpout_tmp=pout_tmp,95,PERCENT CDEF:dpout_tmp2=doutbits,doutbits,-,dpout_tmp,-1,*,+ VDEF:d95thout=dpout_tmp2,FIRST
VDEF:totin=inB,TOTAL VDEF:avein=inbits,AVERAGE VDEF:totout=outB,TOTAL VDEF:aveout=outbits,AVERAGE VDEF:tot=octets,TOTAL COMMENT:' \l' HRULE:999999999999999#FFFFFF:'Total Rx' GPRINT:inbits:LAST:%6.2lf%s GPRINT:inbits:AVERAGE:%6.2lf%s GPRINT:inbits:MIN:%6.2lf%s
GPRINT:inbits:MAX:%6.2lf%s GPRINT:totin:%6.2lf%sB COMMENT:'\l' HRULE:999999999999999#FFFFFF:' Tx' GPRINT:outbits:LAST:%6.2lf%s GPRINT:outbits:AVERAGE:%6.2lf%s GPRINT:outbits:MIN:%6.2lf%s GPRINT:outbits:MAX:%6.2lf%s GPRINT:totout:%6.2lf%sB COMMENT:'\l' HRULE:999999999999999#FFFFFF:'
Agg' GPRINT:bits:LAST:%6.2lf%s GPRINT:bits:AVERAGE:%6.2lf%s GPRINT:bits:MIN:%6.2lf%s GPRINT:bits:MAX:%6.2lf%s GPRINT:tot:%6.2lf%sB COMMENT:'\l' CDEF:smooth_in=inbits,1800,TREND CDEF:predict_in=586400,-7,1800,inbits,PREDICT LINE2:predict_in#FF00FF::dashes=5
CDEF:smooth_out=doutbits,1800,TREND CDEF:predict_out=586400,-7,1800,doutbits,PREDICT LINE2:predict_out#FF00FF::dashes=5 AREA:outbits0_neg#6a6aa9: AREA:outbits1_neg#35356e::STACK AREA:outbits2_neg#000033::STACK HRULE:0#999999
RRDTool Files Used
/opt/observium/rrd/10.0.2.3/port-1.rrd
/opt/observium/rrd/10.0.2.3/port-2.rrd
/opt/observium/rrd/10.0.2.3/port-999001.rrd