Package org.apache.solr.util.circuitbreaker

Support for triggering exceptions on excessive resource usage

Interface Summary

Interface	Description
AveragingMetricProvider.MetricProvider	Interface to provide the metric value.

Class Summary

Class	Description
AveragingMetricProvider	Averages the metric value over a period of time
CircuitBreaker	Default base class to define circuit breaker plugins for Solr.
CircuitBreakerManager	Deprecated. Use individual Circuit Breakers instead
CircuitBreakerRegistry	Keeps track of all registered circuit breaker instances for various request types.
CircuitBreakerUtils
CPUCircuitBreaker	Tracks current CPU usage and triggers if the specified threshold is breached.
LoadAverageCircuitBreaker	Tracks current system load average and triggers if the specified threshold is breached.
MemoryCircuitBreaker	Tracks the current JVM heap usage and triggers if a moving heap usage average over 30 seconds exceeds the defined percentage of the maximum heap size allocated to the JVM.