index 941cfdd9d8cca553d50ebd0f6de7ada1083acb10..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.
=item Mail Messages
-Assume you have a methode to count the number of messages transported by
+Assume you have a method to count the number of messages transported by
your mailserver in a certain amount of time, this give you data like '5
messages in the last 65 seconds'. If you look at the count of 5 like and
B<ABSOLUTE> datatype you can simply update the rrd with the number 5 and the