| /** |
| * 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.timelineservice.metrics; |
| |
| import com.google.common.annotations.VisibleForTesting; |
| import org.apache.hadoop.metrics2.MetricsInfo; |
| 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.MutableQuantiles; |
| |
| import java.util.concurrent.atomic.AtomicBoolean; |
| |
| import static org.apache.hadoop.metrics2.lib.Interns.info; |
| |
| /** |
| * Metrics class for TimelineReader. |
| */ |
| @Metrics(about = "Metrics for timeline reader", context = "timelineservice") |
| final public class TimelineReaderMetrics { |
| |
| private final static MetricsInfo METRICS_INFO = info("TimelineReaderMetrics", |
| "Metrics for TimelineReader"); |
| private static AtomicBoolean isInitialized = new AtomicBoolean(false); |
| private static TimelineReaderMetrics instance = null; |
| |
| @Metric(about = "GET entities failure latency", valueName = "latency") |
| private MutableQuantiles getEntitiesFailureLatency; |
| @Metric(about = "GET entities success latency", valueName = "latency") |
| private MutableQuantiles getEntitiesSuccessLatency; |
| |
| @Metric(about = "GET entity types failure latency", valueName = "latency") |
| private MutableQuantiles getEntityTypesFailureLatency; |
| @Metric(about = "GET entity types success latency", valueName = "latency") |
| private MutableQuantiles getEntityTypesSuccessLatency; |
| |
| private TimelineReaderMetrics() { |
| } |
| |
| public static TimelineReaderMetrics getInstance() { |
| if (!isInitialized.get()) { |
| synchronized (TimelineReaderMetrics.class) { |
| if (instance == null) { |
| instance = |
| DefaultMetricsSystem.initialize("TimelineService").register( |
| METRICS_INFO.name(), METRICS_INFO.description(), |
| new TimelineReaderMetrics()); |
| isInitialized.set(true); |
| } |
| } |
| } |
| return instance; |
| } |
| |
| public synchronized static void destroy() { |
| isInitialized.set(false); |
| instance = null; |
| } |
| |
| @VisibleForTesting |
| public MutableQuantiles getGetEntitiesSuccessLatency() { |
| return getEntitiesSuccessLatency; |
| } |
| |
| @VisibleForTesting |
| public MutableQuantiles getGetEntitiesFailureLatency() { |
| return getEntitiesFailureLatency; |
| } |
| |
| @VisibleForTesting |
| public MutableQuantiles getGetEntityTypesSuccessLatency() { |
| return getEntityTypesSuccessLatency; |
| } |
| |
| @VisibleForTesting |
| public MutableQuantiles getGetEntityTypesFailureLatency() { |
| return getEntityTypesFailureLatency; |
| } |
| |
| public void addGetEntitiesLatency( |
| long durationMs, boolean succeeded) { |
| if (succeeded) { |
| getEntitiesSuccessLatency.add(durationMs); |
| } else { |
| getEntitiesFailureLatency.add(durationMs); |
| } |
| } |
| |
| public void addGetEntityTypesLatency( |
| long durationMs, boolean succeeded) { |
| if (succeeded) { |
| getEntityTypesSuccessLatency.add(durationMs); |
| } else { |
| getEntityTypesFailureLatency.add(durationMs); |
| } |
| } |
| } |