However, when I start digging into older data (3 months back) that has been dithered by RRD, I find that those numbers are more like 100 MB. That's an order of magnitude! I think what might be happening is that calculations from the RRD file are not taking into account fewer data points that need to provide more weight in the output. If I do a fetch for RRD data, the new stuff has 1000's of values for a month, while older data may only have 30 values for that month. Summing up 1000's of points is good, but summing of 30 gives a lower value if they are not weighted to represent a whole day each instead of just 5 minutes.
I will admit that I didnt spend a lot of time looking through the code, but I think this is what might be going on in the ReadRRDStatInfo() routine. Am I just confused/crazy, or is there another problem here? If all is indeed well, how do I go about getting accurate stats from older data? Id be interested to get the right numbers, even if I had to wait for the data to come straight from nfdump in some cases. Maybe there is another/easy way to get summary flows/packets/bytes for a given channel for a given period of time other than setting up the details tab timeslot?
-Steve ----- Steve Foley Scripps Institution of Oceanography sfo...@ucsd.edu, (858) 822-3356
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