| /* |
| * 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.nodemanager.metrics; |
| |
| 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.MutableCounterInt; |
| import org.apache.hadoop.metrics2.lib.MutableGaugeInt; |
| import org.apache.hadoop.metrics2.source.JvmMetrics; |
| import org.apache.hadoop.yarn.api.records.Resource; |
| |
| @Metrics(about="Metrics for node manager", context="yarn") |
| public class NodeManagerMetrics { |
| @Metric MutableCounterInt containersLaunched; |
| @Metric MutableCounterInt containersCompleted; |
| @Metric MutableCounterInt containersFailed; |
| @Metric MutableCounterInt containersKilled; |
| @Metric("# of initializing containers") |
| MutableGaugeInt containersIniting; |
| @Metric MutableGaugeInt containersRunning; |
| @Metric("Current allocated memory in GB") |
| MutableGaugeInt allocatedGB; |
| @Metric("Current # of allocated containers") |
| MutableGaugeInt allocatedContainers; |
| @Metric MutableGaugeInt availableGB; |
| |
| public static NodeManagerMetrics create() { |
| return create(DefaultMetricsSystem.instance()); |
| } |
| |
| static NodeManagerMetrics create(MetricsSystem ms) { |
| JvmMetrics.create("NodeManager", null, ms); |
| return ms.register(new NodeManagerMetrics()); |
| } |
| |
| // Potential instrumentation interface methods |
| |
| public void launchedContainer() { |
| containersLaunched.incr(); |
| } |
| |
| public void completedContainer() { |
| containersCompleted.incr(); |
| } |
| |
| public void failedContainer() { |
| containersFailed.incr(); |
| } |
| |
| public void killedContainer() { |
| containersKilled.incr(); |
| } |
| |
| public void initingContainer() { |
| containersIniting.incr(); |
| } |
| |
| public void endInitingContainer() { |
| containersIniting.decr(); |
| } |
| |
| public void runningContainer() { |
| containersRunning.incr(); |
| } |
| |
| public void endRunningContainer() { |
| containersRunning.decr(); |
| } |
| |
| public void allocateContainer(Resource res) { |
| allocatedContainers.incr(); |
| allocatedGB.incr(res.getMemory() / 1024); |
| availableGB.decr(res.getMemory() / 1024); |
| } |
| |
| public void releaseContainer(Resource res) { |
| allocatedContainers.decr(); |
| allocatedGB.decr(res.getMemory() / 1024); |
| availableGB.incr(res.getMemory() / 1024); |
| } |
| |
| public void addResource(Resource res) { |
| availableGB.incr(res.getMemory() / 1024); |
| } |
| } |