ClearRules clear all the previous rules.

GetRules returns all the rules based on copy.

IsValidSystemRule determine the system rule is valid or not.

LoadRules loads given system rules to the rule manager, while all previous rules will be replaced.

AvgRT represents the average response time of all inbound requests.

BBR represents the adaptive strategy based on ideas of TCP BBR.

Concurrency represents the concurrency of all inbound requests.

CpuUsage represents the CPU usage percentage of the system.

InboundQPS represents the QPS of all inbound requests.

Load represents system load1 in Linux/Unix.

MetricTypeSize indicates the enum size of MetricType.

Rule describes the policy for system resiliency.