Graph - the maximum value reported is not seen in the graph

Document ID : KB000014028
Last Modified Date : 14/02/2018
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Introduction:

The performance report says that the Maximum value is 80, but in the graph it is not touching 80% anywhere

Question:

The max value is not seen in the graph. Why? 

Environment:
UIM/UMP
Answer:

One reason for variations in data is that the PRD will not graph every single point in the graph. It will "smooth" the graph by averaging out and optimizing. This is due to the performance of having to draw a few hundred points on a graph versus drawing tens of thousands.