Understanding the recommended threshold settings
When you view the Configuration Advisor's analysis, each analyzed rule appears as an individual line item in the Rule section. Associated with each rule is a Recommended Values drop-down list. The list contains either of the following entries:
- Numeric values that identify the recommended rule threshold settings. This list can contain up to several different numeric items. Collectively, these values comprise the range of recommended threshold settings.
- An Insufficient data for analysis message. The Configuration Advisor displays this message when the criteria to perform the data analysis successfully is not met.
Reviewing recommended values
The Configuration Advisor displays a range of possible values from which to select. The initial value that appears in the Recommended Values field indicates the primary recommended threshold setting, based on the data analysis process.
Each recommended value is expressed as a set of two numbers. The first number specifies the recommended threshold setting. The second number, displayed in brackets, identifies the number of times this threshold value, if used with the collected data, would have broken the rule and triggered an alert. As you review the recommended threshold settings, keep in mind the rule behavior and alert notification frequency you want to establish for a resource.
Using the Detail button
Each row has an associated Detail button that displays information about the rule's analysis. The Detail page for a rule for which there is insufficient data for analysis identifies the number of samples found. This number is always lower than the minimum of 32 data samples required. Review this data to help you decide if you need to expand the time period to try and capture more samples and rerun the Configuration Advisor for a given rule.
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