Setting threshold values
Threshold values identify the rule component criteria of the polling attributes associated with a resource. These values typically identify the highest or lowest acceptable resource performance-related value for a specific resource. The type of threshold value varies according to the resource type. For example, the Fathom System resource type threshold values are often characterized by the highest or lowest value definitions, while the Fathom Network resource type threshold values would relate to values defined for response times being greater than a value, or no response within a defined period of time.
During the monitoring process, if Fathom finds a value that is outside the defined threshold value, the rule is considered violated. This rule violation causes the alert to be generated and the action to trigger. See the "How alerts relate to rules and actions" section for more information.
Knowing how Fathom interprets threshold values can help you to more accurately interpret the context of a specific alert. For an explanation of these resource-specific calculations, see the appropriate resource-specific rule details in the system, network, or file resource rule calculations in the Resource Monitoring Guide. For details about database rule details, see the Database Management Guide. For details about OpenEdge-related rules, see the OpenEdge Server Management Guide.
You can use threshold values supplied through these means:
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