Examples with InvocationStatDimension com.alipay.sofa.rpc.client.aft.InvocationStatDimension used on opensource projects

Example 1 with InvocationStatDimension

use of com.alipay.sofa.rpc.client.aft.InvocationStatDimension in project sofa-rpc by sofastack.

the class ServiceHorizontalMeasureStrategy method measure.

@Override
public MeasureResult measure(MeasureModel measureModel) {
    MeasureResult measureResult = new MeasureResult();
    measureResult.setMeasureModel(measureModel);
    String appName = measureModel.getAppName();
    List<InvocationStat> stats = measureModel.getInvocationStats();
    if (!CommonUtils.isNotEmpty(stats)) {
        return measureResult;
    }
    // 如果有被新剔除的InvocationStat，则不会存在于该次获取结果中。
    List<InvocationStat> invocationStats = getInvocationStatSnapshots(stats);
    long timeWindow = FaultToleranceConfigManager.getTimeWindow(appName);
    /* leastWindowCount在同一次度量中保持不变*/
    long leastWindowCount = FaultToleranceConfigManager.getLeastWindowCount(appName);
    leastWindowCount = leastWindowCount < LEGAL_LEAST_WINDOW_COUNT ? LEGAL_LEAST_WINDOW_COUNT : leastWindowCount;
    /* 计算平均异常率和度量单个ip的时候都需要使用到appWeight*/
    double averageExceptionRate = calculateAverageExceptionRate(invocationStats, leastWindowCount);
    double leastWindowExceptionRateMultiple = FaultToleranceConfigManager.getLeastWindowExceptionRateMultiple(appName);
    for (InvocationStat invocationStat : invocationStats) {
        MeasureResultDetail measureResultDetail = null;
        InvocationStatDimension statDimension = invocationStat.getDimension();
        long windowCount = invocationStat.getInvokeCount();
        long invocationLeastWindowCount = getInvocationLeastWindowCount(invocationStat, ProviderInfoWeightManager.getWeight(statDimension.getProviderInfo()), leastWindowCount);
        if (averageExceptionRate == -1) {
            measureResultDetail = new MeasureResultDetail(statDimension, MeasureState.IGNORE);
        } else {
            if (invocationLeastWindowCount != -1 && windowCount >= invocationLeastWindowCount) {
                double windowExceptionRate = invocationStat.getExceptionRate();
                if (averageExceptionRate == 0) {
                    measureResultDetail = new MeasureResultDetail(statDimension, MeasureState.HEALTH);
                } else {
                    double windowExceptionRateMultiple = CalculateUtils.divide(windowExceptionRate, averageExceptionRate);
                    measureResultDetail = windowExceptionRateMultiple >= leastWindowExceptionRateMultiple ? new MeasureResultDetail(statDimension, MeasureState.ABNORMAL) : new MeasureResultDetail(statDimension, MeasureState.HEALTH);
                }
                measureResultDetail.setAbnormalRate(windowExceptionRate);
                measureResultDetail.setAverageAbnormalRate(averageExceptionRate);
                measureResultDetail.setLeastAbnormalRateMultiple(leastWindowExceptionRateMultiple);
            } else {
                measureResultDetail = new MeasureResultDetail(statDimension, MeasureState.IGNORE);
            }
        }
        measureResultDetail.setWindowCount(windowCount);
        measureResultDetail.setTimeWindow(timeWindow);
        measureResultDetail.setLeastWindowCount(invocationLeastWindowCount);
        measureResult.addMeasureDetail(measureResultDetail);
    }
    logMeasureResult(measureResult, timeWindow, leastWindowCount, averageExceptionRate, leastWindowExceptionRateMultiple);
    InvocationStatFactory.updateInvocationStats(invocationStats);
    return measureResult;
}

Example 2 with InvocationStatDimension

use of com.alipay.sofa.rpc.client.aft.InvocationStatDimension in project sofa-rpc by sofastack.

the class ServiceHorizontalMeasureStrategy method removeMeasureModel.

@Override
public MeasureModel removeMeasureModel(InvocationStat invocationStat) {
    InvocationStatDimension statDimension = invocationStat.getDimension();
    MeasureModel measureModel = appServiceMeasureModels.get(statDimension.getDimensionKey());
    if (measureModel != null) {
        measureModel.removeInvocationStat(invocationStat);
    }
    return measureModel;
}

Example 3 with InvocationStatDimension

use of com.alipay.sofa.rpc.client.aft.InvocationStatDimension in project sofa-rpc by sofastack.

the class ServiceHorizontalMeasureStrategy method buildMeasureModel.

/**
 * 如果该Invocation不属于一个MeasureModel，那么创建一个MeasureModel。并返回该MeasureModel。
 * 如果该Invocation属于一个MeasureModel，那么将该Invocation加入到该MeasureModel中。返回null。
 *
 * @param invocationStat InvocationStat
 * @return MeasureModel
 */
@Override
public MeasureModel buildMeasureModel(InvocationStat invocationStat) {
    InvocationStatDimension statDimension = invocationStat.getDimension();
    String key = statDimension.getDimensionKey();
    MeasureModel measureModel = appServiceMeasureModels.get(key);
    if (measureModel == null) {
        measureModel = new MeasureModel(statDimension.getAppName(), statDimension.getService());
        MeasureModel oldMeasureModel = appServiceMeasureModels.putIfAbsent(key, measureModel);
        if (oldMeasureModel == null) {
            measureModel.addInvocationStat(invocationStat);
            return measureModel;
        } else {
            oldMeasureModel.addInvocationStat(invocationStat);
            return null;
        }
    } else {
        measureModel.addInvocationStat(invocationStat);
        return null;
    }
}

Example 4 with InvocationStatDimension

use of com.alipay.sofa.rpc.client.aft.InvocationStatDimension in project sofa-rpc by sofastack.

the class ServiceHorizontalMeasureStrategy method getInvocationLeastWindowCount.

/**
 * 根据Invocation的实际权重计算该Invocation的实际最小窗口调用次数 如果目标地址原始权重为0，或者地址已经被剔除则返回-1。
 *
 * @param invocationStat InvocationStat
 * @param weight weight
 * @param leastWindowCount original least Window count
 * @return leastWindowCount
 */
private long getInvocationLeastWindowCount(InvocationStat invocationStat, Integer weight, long leastWindowCount) {
    InvocationStatDimension statDimension = invocationStat.getDimension();
    Integer originWeight = statDimension.getOriginWeight();
    if (originWeight == 0) {
        LOGGER.errorWithApp(statDimension.getAppName(), LogCodes.getLog(LogCodes.ERROR_ORIGIN_WEIGHT_ZERO, statDimension.getService(), statDimension.getIp()));
        return -1;
    } else if (weight == null) {
        // 如果地址还未被调控过或者已经恢复。
        return leastWindowCount;
    } else if (weight == -1) {
        // 如果地址被剔除
        return -1;
    }
    double rate = CalculateUtils.divide(weight, originWeight);
    long invocationLeastWindowCount = CalculateUtils.multiply(leastWindowCount, rate);
    return invocationLeastWindowCount < LEGAL_LEAST_WINDOW_COUNT ? LEGAL_LEAST_WINDOW_COUNT : invocationLeastWindowCount;
}

Example 5 with InvocationStatDimension

use of com.alipay.sofa.rpc.client.aft.InvocationStatDimension in project sofa-rpc by sofastack.

the class ServiceHorizontalRegulationStrategy method removeFromDegradeList.

@Override
public void removeFromDegradeList(MeasureResultDetail measureResultDetail) {
    if (measureResultDetail.isRecoveredOriginWeight()) {
        InvocationStatDimension statDimension = measureResultDetail.getInvocationStatDimension();
        getDegradeProviders(statDimension.getDimensionKey()).remove(statDimension.getIp());
    }
}