[rrd-users] Incorrect MAX total from consolidated cacti graph
jbhowe at gmail.com
Tue Oct 20 17:33:06 CEST 2015
I have a cacti graph which is a consolidation of 34 graphs of online user
counts. A primary purpose of this graph is to identify peaks in user counts.
My problem is that the SUM of the MAX values is incorrect unless I constrain
the timeline of the graph to the minute containing the peak. I have manually
calculated the MAX values from the RRD files and know that the total of a
recent peak is 242,409. Below is a screen capture of the one-minute sample
in the graph which shows a matching total.
I zoom-out to include the full day when this peak occurred, I get a
different total. Below is a screen capture of the one-day graph showing a
total of 243,518.
Can someone help me understand why this is occurring and whether it is
possible to correct this?
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