index d0ecbe937c15e2748c5e79083ad3a32cf0e48904..7a327f8b6b4db5b1318424d515f58b7daefe3855 100644 (file)
will store the derivative of the line going from the last to the
current value of the data source. This can be useful for gauges, for
example, to measure the rate of people entering or leaving a
-room. Internally, derive works exaclty like COUNTER but without
+room. Internally, derive works exactly like COUNTER but without
overflow checks. So if your counter does not reset at 32 or 64 bit you
might want to use DERIVE and combine it with a MIN value of 0.