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percentile is a value below which a given percentage of measurements in a set falls. For example, a 95th percentile value of 150 ms means that 95% of all values are 150 ms or less. This page describes how to modify default percentile collection. The Metric Browser describes what percentile metrics are and how to interpret them.

Disable Percentile Metric Collection

The Java Agent and the .NET Agent capture percentile metrics by default. Disable percentile metric collection in the Configure Percentile Metrics panel on the Configuration > Slow Transaction Thresholds window. Alternatively, manually set the disable-percentile-metrics node property to 'True' to prevent the agent from collecting percentile metrics.

Specify Percentiles to Collect

By default, app agents capture the 95th percentile. You can indicate 5 whole numbers between 1 and 99 as Percentiles to Collect on the Configuration > Slow Transaction Thresholds window. You can apply the configuration changes to all existing business transactions or only to new transactions discovered after the configuration change.

Modify the Percentile Metric Algorithm

The agent uses one of the following methods to calculate percentile metrics:

To change the algorithm the agent uses to calculate percentiles set the percentile-method-option app agent node property.