| /** |
| * 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.hadoop.yarn.server.resourcemanager.scheduler.capacity; |
| |
| import org.apache.hadoop.thirdparty.com.google.common.annotations.VisibleForTesting; |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.hadoop.metrics2.MetricsInfo; |
| import org.apache.hadoop.metrics2.MetricsSystem; |
| import org.apache.hadoop.metrics2.annotation.Metric; |
| import org.apache.hadoop.metrics2.annotation.Metrics; |
| import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem; |
| import org.apache.hadoop.metrics2.lib.MetricsRegistry; |
| import org.apache.hadoop.metrics2.lib.MutableQuantiles; |
| import org.apache.hadoop.metrics2.lib.MutableRate; |
| |
| import java.util.concurrent.atomic.AtomicBoolean; |
| |
| import static org.apache.hadoop.metrics2.lib.Interns.info; |
| |
| /** |
| * Metrics for capacity scheduler. |
| */ |
| @InterfaceAudience.Private |
| @Metrics(context="yarn") |
| public class CapacitySchedulerMetrics { |
| |
| private static AtomicBoolean isInitialized = new AtomicBoolean(false); |
| |
| private static final MetricsInfo RECORD_INFO = |
| info("CapacitySchedulerMetrics", |
| "Metrics for the Yarn Capacity Scheduler"); |
| |
| @Metric("Scheduler allocate containers") MutableRate allocate; |
| @Metric("Scheduler commit success") MutableRate commitSuccess; |
| @Metric("Scheduler commit failure") MutableRate commitFailure; |
| @Metric("Scheduler node update") MutableRate nodeUpdate; |
| @Metric("Scheduler node heartbeat interval") MutableQuantiles |
| schedulerNodeHBInterval; |
| |
| private static volatile CapacitySchedulerMetrics INSTANCE = null; |
| private static MetricsRegistry registry; |
| |
| public static CapacitySchedulerMetrics getMetrics() { |
| if(!isInitialized.get()){ |
| synchronized (CapacitySchedulerMetrics.class) { |
| if(INSTANCE == null){ |
| INSTANCE = new CapacitySchedulerMetrics(); |
| registerMetrics(); |
| isInitialized.set(true); |
| } |
| } |
| } |
| return INSTANCE; |
| } |
| |
| private static void registerMetrics() { |
| registry = new MetricsRegistry(RECORD_INFO); |
| registry.tag(RECORD_INFO, "ResourceManager"); |
| MetricsSystem ms = DefaultMetricsSystem.instance(); |
| if (ms != null) { |
| ms.register("CapacitySchedulerMetrics", |
| "Metrics for the Yarn Capacity Scheduler", INSTANCE); |
| } |
| } |
| |
| @VisibleForTesting |
| public synchronized static void destroy() { |
| isInitialized.set(false); |
| INSTANCE = null; |
| MetricsSystem ms = DefaultMetricsSystem.instance(); |
| if (ms != null) { |
| ms.unregisterSource("CapacitySchedulerMetrics"); |
| } |
| } |
| |
| public void addAllocate(long latency) { |
| this.allocate.add(latency); |
| } |
| |
| public void addCommitSuccess(long latency) { |
| this.commitSuccess.add(latency); |
| } |
| |
| public void addCommitFailure(long latency) { |
| this.commitFailure.add(latency); |
| } |
| |
| public void addNodeUpdate(long latency) { |
| this.nodeUpdate.add(latency); |
| } |
| |
| @VisibleForTesting |
| public long getNumOfNodeUpdate() { |
| return this.nodeUpdate.lastStat().numSamples(); |
| } |
| |
| @VisibleForTesting |
| public long getNumOfAllocates() { |
| return this.allocate.lastStat().numSamples(); |
| } |
| |
| @VisibleForTesting |
| public long getNumOfCommitSuccess() { |
| return this.commitSuccess.lastStat().numSamples(); |
| } |
| |
| public void addSchedulerNodeHBInterval(long heartbeatInterval) { |
| schedulerNodeHBInterval.add(heartbeatInterval); |
| } |
| |
| @VisibleForTesting |
| public long getNumOfSchedulerNodeHBInterval() { |
| return this.schedulerNodeHBInterval.getEstimator().getCount(); |
| } |
| } |