| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.dubbo.metrics.collector; |
| |
| import org.apache.dubbo.common.metrics.collector.DefaultMetricsCollector; |
| import org.apache.dubbo.common.metrics.collector.MetricsCollector; |
| import org.apache.dubbo.common.metrics.event.MetricsEvent; |
| import org.apache.dubbo.common.metrics.event.RTEvent; |
| import org.apache.dubbo.common.metrics.event.RequestEvent; |
| import org.apache.dubbo.common.metrics.listener.MetricsListener; |
| import org.apache.dubbo.common.metrics.model.MethodMetric; |
| import org.apache.dubbo.common.metrics.model.MetricsKey; |
| import org.apache.dubbo.common.metrics.model.sample.GaugeMetricSample; |
| import org.apache.dubbo.common.metrics.model.sample.MetricSample; |
| import org.apache.dubbo.config.MetricsConfig; |
| import org.apache.dubbo.config.context.ConfigManager; |
| import org.apache.dubbo.config.nested.AggregationConfig; |
| import org.apache.dubbo.metrics.aggregate.TimeWindowCounter; |
| import org.apache.dubbo.metrics.aggregate.TimeWindowQuantile; |
| import org.apache.dubbo.rpc.model.ApplicationModel; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.concurrent.ConcurrentHashMap; |
| |
| import static org.apache.dubbo.common.metrics.model.MetricsCategory.REQUESTS; |
| import static org.apache.dubbo.common.metrics.model.MetricsCategory.QPS; |
| import static org.apache.dubbo.common.metrics.model.MetricsCategory.RT; |
| |
| /** |
| * Aggregation metrics collector implementation of {@link MetricsCollector}. |
| * This collector only enabled when metrics aggregation config is enabled. |
| */ |
| public class AggregateMetricsCollector implements MetricsCollector, MetricsListener { |
| private int bucketNum; |
| private int timeWindowSeconds; |
| |
| private final Map<MethodMetric, TimeWindowCounter> totalRequests = new ConcurrentHashMap<>(); |
| private final Map<MethodMetric, TimeWindowCounter> succeedRequests = new ConcurrentHashMap<>(); |
| private final Map<MethodMetric, TimeWindowCounter> failedRequests = new ConcurrentHashMap<>(); |
| private final Map<MethodMetric, TimeWindowCounter> businessFailedRequests = new ConcurrentHashMap<>(); |
| private final Map<MethodMetric, TimeWindowCounter> qps = new ConcurrentHashMap<>(); |
| private final Map<MethodMetric, TimeWindowQuantile> rt = new ConcurrentHashMap<>(); |
| |
| private final ApplicationModel applicationModel; |
| |
| private static final Integer DEFAULT_COMPRESSION = 100; |
| private static final Integer DEFAULT_BUCKET_NUM = 10; |
| private static final Integer DEFAULT_TIME_WINDOW_SECONDS = 120; |
| |
| public AggregateMetricsCollector(ApplicationModel applicationModel) { |
| this.applicationModel = applicationModel; |
| ConfigManager configManager = applicationModel.getApplicationConfigManager(); |
| MetricsConfig config = configManager.getMetrics().orElse(null); |
| if (config != null && config.getAggregation() != null && Boolean.TRUE.equals(config.getAggregation().getEnabled())) { |
| // only registered when aggregation is enabled. |
| registerListener(); |
| |
| AggregationConfig aggregation = config.getAggregation(); |
| this.bucketNum = aggregation.getBucketNum() == null ? DEFAULT_BUCKET_NUM : aggregation.getBucketNum(); |
| this.timeWindowSeconds = aggregation.getTimeWindowSeconds() == null ? DEFAULT_TIME_WINDOW_SECONDS : aggregation.getTimeWindowSeconds(); |
| } |
| } |
| |
| private void registerListener() { |
| applicationModel.getBeanFactory().getBean(DefaultMetricsCollector.class).addListener(this); |
| } |
| |
| @Override |
| public void onEvent(MetricsEvent event) { |
| if (event instanceof RTEvent) { |
| onRTEvent((RTEvent) event); |
| } else if (event instanceof RequestEvent) { |
| onRequestEvent((RequestEvent) event); |
| } |
| } |
| |
| private void onRTEvent(RTEvent event) { |
| MethodMetric metric = (MethodMetric) event.getSource(); |
| Long responseTime = event.getRt(); |
| TimeWindowQuantile quantile = rt.computeIfAbsent(metric, k -> new TimeWindowQuantile(DEFAULT_COMPRESSION, bucketNum, timeWindowSeconds)); |
| quantile.add(responseTime); |
| } |
| |
| private void onRequestEvent(RequestEvent event) { |
| MethodMetric metric = (MethodMetric) event.getSource(); |
| RequestEvent.Type type = event.getType(); |
| TimeWindowCounter counter = null; |
| switch (type) { |
| case TOTAL: |
| counter = totalRequests.computeIfAbsent(metric, k -> new TimeWindowCounter(bucketNum, timeWindowSeconds)); |
| TimeWindowCounter qpsCounter = qps.computeIfAbsent(metric, k -> new TimeWindowCounter(bucketNum, timeWindowSeconds)); |
| qpsCounter.increment(); |
| break; |
| case SUCCEED: |
| counter = succeedRequests.computeIfAbsent(metric, k -> new TimeWindowCounter(bucketNum, timeWindowSeconds)); |
| break; |
| case FAILED: |
| counter = failedRequests.computeIfAbsent(metric, k -> new TimeWindowCounter(bucketNum, timeWindowSeconds)); |
| break; |
| case BUSINESS_FAILED: |
| counter = businessFailedRequests.computeIfAbsent(metric, k -> new TimeWindowCounter(bucketNum, timeWindowSeconds)); |
| break; |
| |
| default: |
| break; |
| } |
| |
| if (counter != null) { |
| counter.increment(); |
| } |
| } |
| |
| @Override |
| public List<MetricSample> collect() { |
| List<MetricSample> list = new ArrayList<>(); |
| collectRequests(list); |
| collectQPS(list); |
| collectRT(list); |
| |
| return list; |
| } |
| |
| private void collectRequests(List<MetricSample> list) { |
| totalRequests.forEach((k, v) -> list.add(new GaugeMetricSample(MetricsKey.METRIC_REQUESTS_TOTAL_AGG, k.getTags(), REQUESTS, v::get))); |
| succeedRequests.forEach((k, v) -> list.add(new GaugeMetricSample(MetricsKey.METRIC_REQUESTS_SUCCEED_AGG, k.getTags(), REQUESTS, v::get))); |
| failedRequests.forEach((k, v) -> list.add(new GaugeMetricSample(MetricsKey.METRIC_REQUESTS_FAILED_AGG, k.getTags(), REQUESTS, v::get))); |
| businessFailedRequests.forEach((k, v) -> list.add(new GaugeMetricSample(MetricsKey.METRIC_REQUESTS_BUSINESS_FAILED_AGG, k.getTags(), REQUESTS, v::get))); |
| } |
| |
| private void collectQPS(List<MetricSample> list) { |
| qps.forEach((k, v) -> list.add(new GaugeMetricSample(MetricsKey.METRIC_QPS, k.getTags(), QPS, () -> v.get() / v.bucketLivedSeconds()))); |
| } |
| |
| private void collectRT(List<MetricSample> list) { |
| rt.forEach((k, v) -> { |
| list.add(new GaugeMetricSample(MetricsKey.METRIC_RT_P99, k.getTags(), RT, () -> v.quantile(0.99))); |
| list.add(new GaugeMetricSample(MetricsKey.METRIC_RT_P95, k.getTags(), RT, () -> v.quantile(0.95))); |
| }); |
| } |
| } |