I’m not certain, but you may have reached an undocumented maximum limit for the name length of a variable.
Note that this is the first CDEF working on the first DEF. I think that there might be a limit to the length of an RPN token in a CDEF in the version of RRDTool you’re using, that is not caught during the DEF. I’ve not spotted anything obvious in the code but I’ve not had a proper look, either; you also do not say which version of RRDTool you’re using. Try shortening the names, if possible, and see if it works then. Also, update to the latest stable RRDTool (1.4.x) if possible. Steve _____ Steve Shipway ITS Unix Services Design Lead University of Auckland, New Zealand Floor 1, 58 Symonds Street, Auckland Phone: +64 (0)9 3737599 ext 86487 DDI: +64 (0)9 923 6487 Mobile: +64 (0)21 753 189 Email: <mailto:[email protected]> [email protected] P Please consider the environment before printing this e-mail : 打印本邮件， 将减少一棵树存活的机会 From: [email protected] [mailto:[email protected]] On Behalf Of Crowder, Travis Sent: Wednesday, 9 October 2013 9:37 a.m. To: [email protected] Subject: [rrd-users] Invalid RPN expression I am trying to sort out an invalid RPN expression, but I am a bit confused as it works on other graphs using the same class to generate the rrdtool command. Does anyone see anything obvious from the command below? TIA! rrdtool graph -w 400 -h 175 -l 0 -t "Load on collectd.penton.com" -v "System Load" -s e-86400 DEF:min_9f24bee8_raw=/rrd/file/collectd.penton.com/load/load.rrd:shortterm:M IN DEF:avg_9f24bee8_raw=/rrd/file/collectd.penton.com/load/load.rrd:shortterm:A VERAGE DEF:max_9f24bee8_raw=/rrd/file/collectd.penton.com/load/load.rrd:shortterm:M AX DEF:min_b00f45d5_raw=/rrd/file/collectd.penton.com/load/load.rrd:midterm:MIN DEF:avg_b00f45d5_raw=/rrd/file/collectd.penton.com/load/load.rrd:midterm:AVE RAGE DEF:max_b00f45d5_raw=/rrd/file/collectd.penton.com/load/load.rrd:midterm:MAX DEF:min_23fab77_raw=/rrd/file/collectd.penton.com/load/load.rrd:longterm:MIN DEF:avg_23fab77_raw=/rrd/file/collectd.penton.com/load/load.rrd:longterm:AVE RAGE DEF:max_23fab77_raw=/rrd/file/collectd.penton.com/load/load.rrd:longterm:MAX CDEF:min_9f24bee8=min_9f24bee8_raw,1,* CDEF:avg_9f24bee8=avg_9f24bee8_raw,1, * CDEF:max_9f24bee8=max_9f24bee8_raw,1,* CDEF:min_b00f45d5=min_b00f45d5_raw, 1,* CDEF:avg_b00f45d5=avg_b00f45d5_raw,1,* CDEF:max_b00f45d5=max_b00f45d5_raw,1,* CDEF:min_23fab77=min_23fab77_raw,1,* CDEF:avg_23fab77=avg_23fab77_raw,1,* CDEF:max_23fab77=max_23fab77_raw,1,* AREA:max_9f24bee8#bfffbf AREA:min_9f24bee8#ffffff "LINE1:avg_9f24bee8#00FF00:1 min " "GPRINT:min_9f24bee8:MIN:%.2lf Min," "GPRINT:avg_9f24bee8:AVERAGE:%.2lf Avg," "GPRINT:max_9f24bee8:MAX:%.2lf Max, " "GPRINT:avg_9f24bee8:LAST:%.2lf Last\l" "LINE1:avg_b00f45d5#0000FF:5 min " "GPRINT:min_b00f45d5:MIN:%.2lf Min," "GPRINT:avg_b00f45d5:AVERAGE:%.2lf Avg, " "GPRINT:max_b00f45d5:MAX:%.2lf Max," "GPRINT:avg_b00f45d5:LAST:%.2lf Last\l" "LINE1:avg_23fab77#FF0000:15 min" "GPRINT:min_23fab77:MIN:%.2lf Min, " "GPRINT:avg_23fab77:AVERAGE:%.2lf Avg," "GPRINT:max_23fab77:MAX:%.2lf Max, " "GPRINT:avg_23fab77:LAST:%.2lf Last\l" ERROR: invalid rpn expression in: min_9f24bee8_raw,1,*
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