threshold of successive-failure-request requestSuccessiveFailureThreshold int32 // value of circuit-tripped..., constant.DEFAULT_CIRCUIT_TRIPPED_TIMEOUT_FACTOR)), } } NewDefaultHealthChecker实例化DefaultHealthChecker...c.GetOutStandingRequestConutLimit() { logger.Debugf("Invoker [%s] is currently in circuitbreaker tripped...healthcheck/default_health_check.go // isCircuitBreakerTripped determine whether the invoker is in the tripped...{ sleepWindow = constant.MAX_CIRCUIT_TRIPPED_TIMEOUT_IN_MS } return int64(sleepWindow
threads) are waiting upon it, and which * will execute the given barrier action when the barrier is tripped...param parties the number of threads that must invoke {@link #await} * before the barrier is tripped...* @param barrierAction the command to execute when the barrier is * tripped, or {@code...(threads) are waiting upon it, and * does not perform a predefined action when the barrier is tripped...nextGeneration(); return 0; } // loop until tripped
return new RandomRule(); } 策略 描述 说明 BestAvailableRule 选择最小并发请求服务 依次考察服务，选择ActiveRequestsCount最小的，并忽略tripped...的服务 AvailabilityFilteringRule 根据可用性过滤 使用AvailabilityPredicate配置过滤逻辑，过滤掉链接失败被标记为circuit tripped的服务和并发连接数超过阈值的服务
(threads) are waiting upon it, and * does not perform a predefined action when the barrier is tripped...param parties the number of threads that must invoke {@link #await} * before the barrier is tripped...threads) are waiting upon it, and which * will execute the given barrier action when the barrier is tripped...param parties the number of threads that must invoke {@link #await} * before the barrier is tripped...* @param barrierAction the command to execute when the barrier is * tripped, or {@code
; } int index = --count;//到达的线程数目 conut-- if (index == 0) { // tripped...ranAction) breakBarrier(); } } // loop until tripped
type: " + value); } } } enum Durability { // The condition that tripped...TRANSIENT, // The condition that tripped the circuit breaker requires manual intervention....double getOverhead(); /** * @return the number of times the circuit breaker has been tripped...settings to configure this breaker * @param parent parent circuit breaker service to delegate tripped...settings to configure this breaker * @param parent parent circuit breaker service to delegate tripped
ByteSizeValue(estimated)); builder.field(Fields.OVERHEAD, overhead); builder.field(Fields.TRIPPED_COUNT...this.estimated + "/" + new ByteSizeValue(this.estimated) + ",overhead=" + this.overhead + ",tripped...= "estimated_size"; static final String OVERHEAD = "overhead"; static final String TRIPPED_COUNT...= "tripped"; } } CircuitBreakerStats包含了name、limit、estimated、trippedCount、overhead属性 BreakerSettings...volatile BreakerSettings requestSettings; private volatile BreakerSettings accountingSettings; // Tripped
public void run () { System.out.println(Thread.currentThread() + " tripped...pool-1-thread-2,5,main] step 1 Thread[pool-1-thread-1,5,main] step 1 Thread[pool-1-thread-1,5,main] tripped...pool-1-thread-1,5,main] step 2 Thread[pool-1-thread-2,5,main] step 2 Thread[pool-1-thread-2,5,main] tripped...thread1线程之后执行await()，此时计数值减1后为0，接着执行构造器中指定的任务，打印tripped，执行完后退出屏障点，唤醒thread2。...// 屏障的每一次使用都会生成一个新的Generation实例： 可能是 tripped or reset private static class Generation { boolean
threads) are waiting upon it, and which * will execute the given barrier action when the barrier is tripped...@param parties the number of threads that must invoke {@link #await} * before the barrier is tripped...* @param barrierAction the command to execute when the barrier is * tripped, or {@code null}...parties (threads) are waiting upon it, and * does not perform a predefined action when the barrier is tripped...@param parties the number of threads that must invoke {@link #await} * before the barrier is tripped
barrier entry */ private final ReentrantLock lock = new ReentrantLock(); /** Condition to wait on until tripped...lock.newCondition(); /** The number of parties */ private final int parties; /* The command to run when tripped...InterruptedException(); } // count 减 1 int index = --count; if (index == 0) { // tripped...ranAction) breakBarrier(); } } // loop until tripped
entry */ private final ReentrantLock lock = new ReentrantLock(); /** Condition to wait on until tripped...threads) are waiting upon it, and which * will execute the given barrier action when the barrier is tripped...param parties the number of threads that must invoke {@link #await} * before the barrier is tripped...* @param barrierAction the command to execute when the barrier is * tripped, or {@code...如下： if (index == 0) { // tripped boolean ranAction = false;
ByteSizeValue(estimated)); builder.field(Fields.OVERHEAD, overhead); builder.field(Fields.TRIPPED_COUNT...this.estimated + "/" + new ByteSizeValue(this.estimated) + ",overhead=" + this.overhead + ",tripped...= "estimated_size"; static final String OVERHEAD = "overhead"; static final String TRIPPED_COUNT...= "tripped"; } } CircuitBreakerStats包含了name、limit、estimated、trippedCount、overhead属性 BreakerSettings...BreakerSettings requestSettings; private volatile BreakerSettings accountingSettings; // Tripped
param parties the number of threads that must invoke {@link #await} * before the barrier is tripped...* @param barrierAction the command to execute when the barrier is * tripped, or {@code...* The generation changes whenever the barrier is tripped, or * is reset....active at a time (the one to which {@code count} applies) * and all the rest are either broken or tripped...--count; // 1 如果index=0说明到所有线程都到达了屏障点，此时执行初始化时执行的任务 if (index == 0) { // tripped
{ void (*t)(int); t = PyOS_getsig(i); _Py_atomic_store_relaxed(&Handlers[i].tripped...和信号自定义处理函数func组成，具体结构如下 // Modules/signalmodule.c static volatile struct { _Py_atomic_int tripped...; int fd; Py_ssize_t rc; // 设置对应信号标志位置状态为1 _Py_atomic_store_relaxed(&Handlers[sig_num].tripped..., 1); /* Set is_tripped after setting .tripped, as it gets cleared in PyErr_CheckSignals(...) before .tripped. */ _Py_atomic_store(&is_tripped, 1); // 挂起信号标志位 is_tripped /* Signals are
labels.instance }}: json parse failures > 0 and has a value of {{ $value }}" - alert: Elasticsearch_breakers_tripped...expr: rate(elasticsearch_breakers_tripped{}[5m])>0 for: 1m labels: severity: critical...annotations: summary: " ElasticSearch node {{ $labels.instance }}: breakers tripped > 0 and...has a value of {{ $value }}" description: "ElasticSearch node {{ $labels.instance }}: breakers tripped
threads) are waiting upon it, and which * will execute the given barrier action when the barrier is tripped...param parties the number of threads that must invoke {@link #await} * before the barrier is tripped...* @param barrierAction the command to execute when the barrier is * tripped, or {@code...(threads) are waiting upon it, and * does not perform a predefined action when the barrier is tripped...param parties the number of threads that must invoke {@link #await} * before the barrier is tripped
BestAvailableRule extends ClientConfigEnabledRoundRobinRule 选择一个最小的并发请求的server 逐个考察Server，如果Server被tripped...AvailabilityFilteringRule public class AvailabilityFilteringRule extends PredicateBasedRule 过滤掉那些因为一直连接失败的被标记为circuit tripped
} //每次调用await方法，数量就减一 int index = --count; if (index == 0) { // tripped...breakBarrier(); } } // loop until tripped
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