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Example 1 with HalfOpenCounter

use of com.tencent.polaris.plugins.circuitbreaker.common.HalfOpenCounter in project polaris-java by polarismesh.

the class ErrRateCircuitBreaker method stat.

@Override
public boolean stat(InstanceGauge gauge) {
    InstanceByProto instance = ChangeStateUtils.getInstance(gauge, localRegistry);
    if (null == instance) {
        return false;
    }
    InstanceLocalValue instanceLocalValue = instance.getInstanceLocalValue();
    if (null == instanceLocalValue) {
        return false;
    }
    ConfigSet<Config> configSet = CircuitBreakUtils.getConfigSet(gauge, this);
    StatusDimension statusDimension = ChangeStateUtils.buildStatusDimension(gauge, configSet.getLevel());
    if (CircuitBreakUtils.instanceClose(instance, statusDimension)) {
        Object pluginValue = instanceLocalValue.getPluginValue(id, create);
        ErrRateCounter errRateCounter = (ErrRateCounter) pluginValue;
        SliceWindow metricWindow = errRateCounter.getSliceWindow(statusDimension);
        metricWindow.addGauge((bucket -> {
            bucket.addMetric(Dimension.keyRequestCount.ordinal(), 1);
            if (gauge.getRetStatus() == RetStatus.RetFail) {
                return bucket.addMetric(Dimension.keyFailCount.ordinal(), 1);
            }
            return bucket.getMetric(Dimension.keyFailCount.ordinal());
        }));
    } else if (CircuitBreakUtils.instanceHalfOpen(instance, statusDimension)) {
        // 半开计数器
        Object pluginValue = instanceLocalValue.getPluginValue(id, create);
        HalfOpenCounter consecutiveCounter = (HalfOpenCounter) pluginValue;
        RetStatus retStatus = gauge.getRetStatus();
        return consecutiveCounter.triggerHalfOpenConversion(statusDimension, retStatus, configSet.getHalfOpenConfig());
    }
    return false;
}
Also used : CircuitBreakResult(com.tencent.polaris.api.plugin.circuitbreaker.CircuitBreakResult) DefaultPlugins(com.tencent.polaris.api.config.plugin.DefaultPlugins) SliceWindow(com.tencent.polaris.plugins.circuitbreaker.common.stat.SliceWindow) InstanceLocalValue(com.tencent.polaris.api.pojo.InstanceLocalValue) DefaultFlowControlParam(com.tencent.polaris.client.flow.DefaultFlowControlParam) InitContext(com.tencent.polaris.api.plugin.common.InitContext) Destroyable(com.tencent.polaris.api.control.Destroyable) OutlierDetectionConfig(com.tencent.polaris.api.config.consumer.OutlierDetectionConfig) RuleIdentifier(com.tencent.polaris.plugins.circuitbreaker.common.RuleIdentifier) PluginTypes(com.tencent.polaris.api.plugin.common.PluginTypes) InstanceByProto(com.tencent.polaris.client.pojo.InstanceByProto) Function(java.util.function.Function) FlowControlParam(com.tencent.polaris.client.flow.FlowControlParam) CbPolicy(com.tencent.polaris.client.pb.CircuitBreakerProto.CbPolicy) RetStatus(com.tencent.polaris.api.pojo.RetStatus) HalfOpenCounter(com.tencent.polaris.plugins.circuitbreaker.common.HalfOpenCounter) ConfigSetLocator(com.tencent.polaris.plugins.circuitbreaker.common.ConfigSetLocator) ConfigSet(com.tencent.polaris.plugins.circuitbreaker.common.ConfigSet) DestinationSet(com.tencent.polaris.client.pb.CircuitBreakerProto.DestinationSet) RecoverConfig(com.tencent.polaris.client.pb.CircuitBreakerProto.RecoverConfig) CircuitBreakUtils(com.tencent.polaris.plugins.circuitbreaker.common.CircuitBreakUtils) LocalRegistry(com.tencent.polaris.api.plugin.registry.LocalRegistry) ErrorCode(com.tencent.polaris.api.exception.ErrorCode) InstanceGauge(com.tencent.polaris.api.pojo.InstanceGauge) CollectionUtils(com.tencent.polaris.api.utils.CollectionUtils) PluginConfigProvider(com.tencent.polaris.api.config.plugin.PluginConfigProvider) CircuitBreaker(com.tencent.polaris.api.plugin.circuitbreaker.CircuitBreaker) CircuitBreakerConfig(com.tencent.polaris.api.config.consumer.CircuitBreakerConfig) Verifier(com.tencent.polaris.api.config.verify.Verifier) Collection(java.util.Collection) Extensions(com.tencent.polaris.api.plugin.compose.Extensions) StatusDimension(com.tencent.polaris.api.pojo.StatusDimension) ChangeStateUtils(com.tencent.polaris.plugins.circuitbreaker.common.ChangeStateUtils) ErrRateConfig(com.tencent.polaris.client.pb.CircuitBreakerProto.CbPolicy.ErrRateConfig) HalfOpenConfig(com.tencent.polaris.plugins.circuitbreaker.common.HalfOpenConfig) PluginType(com.tencent.polaris.api.plugin.PluginType) StateMachine(com.tencent.polaris.plugins.circuitbreaker.common.StateMachine) ConfigGroup(com.tencent.polaris.plugins.circuitbreaker.common.ConfigGroup) RuleDestinationResult(com.tencent.polaris.plugins.circuitbreaker.common.CircuitBreakUtils.RuleDestinationResult) PolarisException(com.tencent.polaris.api.exception.PolarisException) Instance(com.tencent.polaris.api.pojo.Instance) Subset(com.tencent.polaris.api.pojo.Subset) InstanceByProto(com.tencent.polaris.client.pojo.InstanceByProto) RetStatus(com.tencent.polaris.api.pojo.RetStatus) OutlierDetectionConfig(com.tencent.polaris.api.config.consumer.OutlierDetectionConfig) RecoverConfig(com.tencent.polaris.client.pb.CircuitBreakerProto.RecoverConfig) CircuitBreakerConfig(com.tencent.polaris.api.config.consumer.CircuitBreakerConfig) ErrRateConfig(com.tencent.polaris.client.pb.CircuitBreakerProto.CbPolicy.ErrRateConfig) HalfOpenConfig(com.tencent.polaris.plugins.circuitbreaker.common.HalfOpenConfig) InstanceLocalValue(com.tencent.polaris.api.pojo.InstanceLocalValue) StatusDimension(com.tencent.polaris.api.pojo.StatusDimension) HalfOpenCounter(com.tencent.polaris.plugins.circuitbreaker.common.HalfOpenCounter) SliceWindow(com.tencent.polaris.plugins.circuitbreaker.common.stat.SliceWindow)

Example 2 with HalfOpenCounter

use of com.tencent.polaris.plugins.circuitbreaker.common.HalfOpenCounter in project polaris-java by polarismesh.

the class StateMachineImpl method closeToOpen.

@Override
public boolean closeToOpen(Instance instance, StatusDimension statusDimension, Parameter parameter) {
    HalfOpenCounter halfOpenCounter = getHalfOpenCounterOnClose(instance, statusDimension);
    if (halfOpenCounter == null) {
        return false;
    }
    ConfigSet<Config> configSet = getConfigSetByLocator(instance, statusDimension, configSetLocator);
    Config plugConfig = configSet.getPlugConfig();
    ErrRateCounter errRateCounter = (ErrRateCounter) halfOpenCounter;
    SliceWindow metricWindow = errRateCounter.getSliceWindow(statusDimension);
    long currentTimeMs = parameter.getCurrentTimeMs();
    TimeRange timeRange = new TimeRange(currentTimeMs - metricTimeWindowMs, currentTimeMs);
    long requestCount = metricWindow.calcMetricsBothIncluded(Dimension.keyRequestCount.ordinal(), timeRange);
    if (requestCount == 0 || requestCount < plugConfig.getRequestVolumeThreshold()) {
        // 未达到其实请求数阈值
        return false;
    }
    long failCount = metricWindow.calcMetricsBothIncluded(Dimension.keyFailCount.ordinal(), timeRange);
    double failRatio = (double) failCount / (double) requestCount;
    LOG.debug("errRate statistic: request count {}, fail count {}, instance {}:{}, dimension {}, failRatio {}", requestCount, failCount, instance.getHost(), instance.getPort(), statusDimension, failRatio);
    // 错误率达标
    return failRatio >= plugConfig.getErrRate();
}
Also used : TimeRange(com.tencent.polaris.plugins.circuitbreaker.common.stat.TimeRange) HalfOpenCounter(com.tencent.polaris.plugins.circuitbreaker.common.HalfOpenCounter) SliceWindow(com.tencent.polaris.plugins.circuitbreaker.common.stat.SliceWindow)

Example 3 with HalfOpenCounter

use of com.tencent.polaris.plugins.circuitbreaker.common.HalfOpenCounter in project polaris-java by polarismesh.

the class ConsecutiveCircuitBreaker method stat.

@Override
public boolean stat(InstanceGauge gauge) {
    InstanceByProto instance = ChangeStateUtils.getInstance(gauge, localRegistry);
    if (null == instance) {
        return false;
    }
    InstanceLocalValue instanceLocalValue = instance.getInstanceLocalValue();
    if (null == instanceLocalValue) {
        return false;
    }
    ConfigSet<Config> configSet = CircuitBreakUtils.getConfigSet(gauge, this);
    StatusDimension statusDimension = ChangeStateUtils.buildStatusDimension(gauge, configSet.getLevel());
    if (CircuitBreakUtils.instanceClose(instance, statusDimension)) {
        Object pluginValue = instanceLocalValue.getPluginValue(id, create);
        ConsecutiveCounter consecutiveCounter = (ConsecutiveCounter) pluginValue;
        RetStatus retStatus = gauge.getRetStatus();
        int failCount;
        if (retStatus == RetStatus.RetFail) {
            failCount = consecutiveCounter.onFail(statusDimension);
        } else {
            consecutiveCounter.resetCounter(statusDimension);
            failCount = 0;
        }
        return failCount == configSet.getPlugConfig().getContinuousErrorThreshold();
    } else if (CircuitBreakUtils.instanceHalfOpen(instance, statusDimension)) {
        // 半开计数器
        Object pluginValue = instanceLocalValue.getPluginValue(id, create);
        HalfOpenCounter consecutiveCounter = (HalfOpenCounter) pluginValue;
        RetStatus retStatus = gauge.getRetStatus();
        return consecutiveCounter.triggerHalfOpenConversion(statusDimension, retStatus, configSet.getHalfOpenConfig());
    }
    return false;
}
Also used : InstanceByProto(com.tencent.polaris.client.pojo.InstanceByProto) RetStatus(com.tencent.polaris.api.pojo.RetStatus) ConsecutiveErrConfig(com.tencent.polaris.client.pb.CircuitBreakerProto.CbPolicy.ConsecutiveErrConfig) OutlierDetectionConfig(com.tencent.polaris.api.config.consumer.OutlierDetectionConfig) RecoverConfig(com.tencent.polaris.client.pb.CircuitBreakerProto.RecoverConfig) CircuitBreakerConfig(com.tencent.polaris.api.config.consumer.CircuitBreakerConfig) HalfOpenConfig(com.tencent.polaris.plugins.circuitbreaker.common.HalfOpenConfig) InstanceLocalValue(com.tencent.polaris.api.pojo.InstanceLocalValue) StatusDimension(com.tencent.polaris.api.pojo.StatusDimension) HalfOpenCounter(com.tencent.polaris.plugins.circuitbreaker.common.HalfOpenCounter)

Example 4 with HalfOpenCounter

use of com.tencent.polaris.plugins.circuitbreaker.common.HalfOpenCounter in project polaris-java by polarismesh.

the class StateMachineImpl method closeToOpen.

@Override
public boolean closeToOpen(Instance instance, StatusDimension statusDimension, Parameter parameter) {
    HalfOpenCounter halfOpenCounter = getHalfOpenCounterOnClose(instance, statusDimension);
    if (halfOpenCounter == null) {
        return false;
    }
    ConfigSet<Config> configSet = getConfigSetByLocator(instance, statusDimension, configSetLocator);
    return ((ConsecutiveCounter) halfOpenCounter).getConsecutiveErrorCount(statusDimension) >= configSet.getPlugConfig().getContinuousErrorThreshold();
}
Also used : HalfOpenCounter(com.tencent.polaris.plugins.circuitbreaker.common.HalfOpenCounter)

Aggregations

HalfOpenCounter (com.tencent.polaris.plugins.circuitbreaker.common.HalfOpenCounter)4 CircuitBreakerConfig (com.tencent.polaris.api.config.consumer.CircuitBreakerConfig)2 OutlierDetectionConfig (com.tencent.polaris.api.config.consumer.OutlierDetectionConfig)2 InstanceLocalValue (com.tencent.polaris.api.pojo.InstanceLocalValue)2 RetStatus (com.tencent.polaris.api.pojo.RetStatus)2 StatusDimension (com.tencent.polaris.api.pojo.StatusDimension)2 RecoverConfig (com.tencent.polaris.client.pb.CircuitBreakerProto.RecoverConfig)2 InstanceByProto (com.tencent.polaris.client.pojo.InstanceByProto)2 HalfOpenConfig (com.tencent.polaris.plugins.circuitbreaker.common.HalfOpenConfig)2 SliceWindow (com.tencent.polaris.plugins.circuitbreaker.common.stat.SliceWindow)2 DefaultPlugins (com.tencent.polaris.api.config.plugin.DefaultPlugins)1 PluginConfigProvider (com.tencent.polaris.api.config.plugin.PluginConfigProvider)1 Verifier (com.tencent.polaris.api.config.verify.Verifier)1 Destroyable (com.tencent.polaris.api.control.Destroyable)1 ErrorCode (com.tencent.polaris.api.exception.ErrorCode)1 PolarisException (com.tencent.polaris.api.exception.PolarisException)1 PluginType (com.tencent.polaris.api.plugin.PluginType)1 CircuitBreakResult (com.tencent.polaris.api.plugin.circuitbreaker.CircuitBreakResult)1 CircuitBreaker (com.tencent.polaris.api.plugin.circuitbreaker.CircuitBreaker)1 InitContext (com.tencent.polaris.api.plugin.common.InitContext)1