This is a discussion on Re: [rrd-users] Parameter problem - was: LAST always returning zero within the RRD Users forums, part of the Networking and Network Related category; Any luck on what might be going wrong in the CDEF? I was concerned that if rrdtool last returned nothing, ...
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Any luck on what might be going wrong in the CDEF?
I was concerned that if rrdtool last returned nothing, I could be reverting to 'now', so I changed it to also print out the "rrdtool last" value it is using. This was not the problem - rrdtool last is always returning a valid time stamp. The picture is always the same, even if I push the --end time back over a minute. With --end being /10*10-2: Rrdtool last: 1205340854 --end: 1205340848 LAST w/o IF: 1205340840 LAST with IF: 1205340860 Or, going back over 2 minutes with --end (/10*10-122): Rrdtool last: 1205341417 --end: 1205341288 LAST w/o IF: 1205341280 LAST with IF: 1205341300 Is there any chance it is some sort of race condition with the updates occurring at the same time as the graphs? I'm assuming the code has built-in locks to prevent such problems, and it seems unlikely such a race condition would happen so often. Wes _______________________________________________ rrd-users mailing list rrd-users@lists.oetiker.ch https://lists.oetiker.ch/cgi-bin/listinfo/rrd-users |
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