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Java (Java Agent, Installation, JVM, and Controller Installation)

How is the 95th percentile value calculated?


How is the 95th percentile value calculated?

Hi Team,,  "Disable Percentile Metric Collection" part says that the 95th percentile metrics is calculated by Java agent, then sends the data point to controller.


If that is the case, then on the metrics browser, we see the 95th percentile metric is under BT, and BT is base on tier, this metric is calculated and sending by Java agent, which will be an individual node metric.


For Example:

Tier 1 has two nodes:


Node 1 BT response time:

1,2,3,4,5,6,7,8,9,10. ---> 90th percentile = 9.


Node 2 same BT response time:

10,11,12,13,14,15,16,17,18,19,20 --> 90th percentile = 19.


If node 1 sends 90th percentile = 9 and node 2 sends 90th percentile = 19.

What will be the value shows in the metric browser for BT --> 90th percentile?

Will the AppD take average of those two values?


Please advice.




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How is the 95th percentile value calculated?