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Group rules by their effective invoke interval. Use the global interval when a rule omits its interval. Reject non-positive invoke intervals before scheduler startup. Test grouped cadence, concurrency, and shutdown behavior.
Custom Plugin Monitor
Custom plugin monitor is a plugin mechanism for node-problem-detector. It will extend node-problem-detector to execute any monitor scripts written in any language. The monitor scripts must conform to the plugin protocol in exit code and standard output. For more info about the plugin protocol, please refer to the node-problem-detector plugin interface proposal