Did you try the /rrdfillmissing=1/ as mentioned below as a workaround for your "missing" data?
Martin On 13.05.2013, at 18:27, Shabbir Ahmed wrote: > some time when i query for snmp the get times out so i cant fill in the table > at that time, to fix this wat should i do ? > > 12:00 i queried db response recorded into mysql > 12:05 i queried but snmp get timeout, no entry into mysql > 12:06 i queried and got the response into mysql. > > > > > On Mon, May 13, 2013 at 11:36 AM, Martin Sperl <rrdt...@martin.sperl.org> > wrote: > Hi! > > One observation: actually you should see 4 lines not 2 or 1. > > The other is that your data is possibly not stored "equidistant", so that > there are slight "gaps" of say 302 seconds between consecutive datapoints, > which would mean that you are producing times like this: > 0,302,603,...,3298,3601,... (so there would be a gap at time 3300 to 3599) > > For debugging purposes: can you please run rrdtool like this: > RRDDEBUGSQL=1 rrdtool graph test.png --imgformat=PNG --start=-1day > --width=600 --height=80 -S=300 "DEF:min=$UP:min:AVERAGE" > "LINE1:min#336600:value" > > Then you will see the SQL that gets executed and then you can run the SQL on > your own to understand how this "gaps" are generated from the database... > > But there is also an option to "fill in" "missing" gaps in rrd via the > "/rrdfillmissing=" option. The idea here is similar to the "xff" argument to > rrdcreate for the RRA definition. > > So you may try to add it to your DEF like this: > UP="sql//mysql/host=127.0.0.1/dbname=newdsl/username=root/password=nocb4enter/rrdfillmissing=1//g3412306061/time/up/idx=201409600" > > Ciao, > Martin > > On 12.05.2013, at 15:05, Shabbir Ahmed wrote: > >> Hi, i collect data from switches and save them into mysql, >> (snmpidx,time,up,down) >> >> now i want to draw graphs using >> >> DOWN="sql//mysql/host=127.0.0.1/dbname=newdsl/username=root/password=nocb4enter//g3412306061/time/down/idx=201343232" >> UP="sql//mysql/host=127.0.0.1/dbname=newdsl/username=root/password=nocb4enter//g3412306061/time/up/idx=201409600" >> >> rrdtool graph test.png --imgformat=PNG --start=-1day --width=600 --height=80 >> -S=300 "DEF:min=$UP:min:AVERAGE" "LINE1:min#336600:value" >> "DEF:avg=$UP:avg:AVERAGE" "LINE1:avg#00FF11:average" >> "DEF:max=$UP:max:AVERAGE" "LINE1:max#FF0000:max" >> "DEF:dw=$DOWN:min:AVERAGE" "LINE1:dw#0033CC:value" >> >> 1. the graphs drawn has gaps (i collect data every five mins) and draw them >> with 5 mins step but still the gape bw two occurences are empty. >> >> 2. it doesnt draw two lines. >> >> Kindly help, >> >> _______________________________________________ >> rrd-users mailing list >> rrd-users@lists.oetiker.ch >> https://lists.oetiker.ch/cgi-bin/listinfo/rrd-users > >
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