[rrd-users] Confused with DERIVE

[paulw at oninit.com]

Confused with DERIVE.  The following is a fetch on RRD file, the values
inserted into the Derive DS are the same as those into Counter 1 DS

            Counter 1         Counter 2           Derive

1000128600: 5.0310000000e+03 9.9496900000e+05 0.0000000000e+00
1000128900: 5.3230000000e+03 9.9467700000e+05 0.0000000000e+00
1000129200: 5.6310000000e+03 9.9436900000e+05 0.0000000000e+00
1000129500: 5.6310000000e+03 9.9436900000e+05 0.0000000000e+00
1000129800: 5.5390000000e+03 9.9446100000e+05 2.7627627628e-01
1000130100: 5.0310000000e+03 9.9496900000e+05 8.6186186186e-01
1000130400: 5.0310000000e+03 9.9496900000e+05 8.6186186186e-01
1000130700: 5.5890000000e+03 9.9441100000e+05 0.0000000000e+00
1000131000: 5.6310000000e+03 9.9436900000e+05 0.0000000000e+00

It appears that derive only has none zero values when counter 1 is
decreasing.  I was expecting Derive to show differences - what am 
I missing??


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Paul Watson             #          
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