Calculate Sampling Rate
Article ID: 130975
Updated On:
Products
SECURITY MISC CODES
SINGLE SIGN ON - LEGACY
CA Data Protection (DataMinder)
CA User Activity Reporting
Issue/Introduction
Can you please help me calculate the Sampling Rate. I need the number that I should use to Capture 25% The documentation provided to assist calculating is a bit confusing. CA Data Protection can use sampling so that only a subset of events that match the trigger criteria cause the trigger to fire. If you enter 1, every event matching the trigger criteria (that is, 100%) results in the trigger firing. If you enter 1.25, only 80% of all matching events results in the trigger firing. If you enter 1000, only 0.1% of all matching events results in the trigger firing.
Environment
Release:
Component: DLPSRV
Component: DLPSRV
Resolution
In 15.0 and higher we made improvements to random sampling. You can specify the sampling rate so that only a subset of events that match the trigger criteria cause the trigger to fire. The sampled events percentage is calculated as the "Number of sampled events percentage = 100/Sampling Rate".
As in the example:
100/1 = 100 percent
100/1.2 = 80 percent
100/1000 = 0.1 percent
100/20 = 5 percent
For 25 percent it should be 4
100/4 = 25
As in the example:
100/1 = 100 percent
100/1.2 = 80 percent
100/1000 = 0.1 percent
100/20 = 5 percent
For 25 percent it should be 4
100/4 = 25
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