| /** |
| * 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.rmapp.monitor; |
| |
| import java.util.Map; |
| import java.util.Map.Entry; |
| import java.util.Set; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.yarn.api.records.ApplicationId; |
| import org.apache.hadoop.yarn.api.records.ApplicationTimeoutType; |
| import org.apache.hadoop.yarn.conf.YarnConfiguration; |
| import org.apache.hadoop.yarn.server.resourcemanager.RMContext; |
| import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMApp; |
| import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppEvent; |
| import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppEventType; |
| import org.apache.hadoop.yarn.util.AbstractLivelinessMonitor; |
| import org.apache.hadoop.yarn.util.SystemClock; |
| |
| /** |
| * This service will monitor the applications against the lifetime value given. |
| * The applications will be killed if it running beyond the given time. |
| */ |
| public class RMAppLifetimeMonitor |
| extends AbstractLivelinessMonitor<RMAppToMonitor> { |
| |
| private static final Log LOG = LogFactory.getLog(RMAppLifetimeMonitor.class); |
| |
| private RMContext rmContext; |
| |
| public RMAppLifetimeMonitor(RMContext rmContext) { |
| super(RMAppLifetimeMonitor.class.getName(), SystemClock.getInstance()); |
| this.rmContext = rmContext; |
| } |
| |
| @Override |
| protected void serviceInit(Configuration conf) throws Exception { |
| long monitorInterval = |
| conf.getLong(YarnConfiguration.RM_APPLICATION_MONITOR_INTERVAL_MS, |
| YarnConfiguration.DEFAULT_RM_APPLICATION_MONITOR_INTERVAL_MS); |
| if (monitorInterval <= 0) { |
| monitorInterval = |
| YarnConfiguration.DEFAULT_RM_APPLICATION_MONITOR_INTERVAL_MS; |
| } |
| setMonitorInterval(monitorInterval); |
| setExpireInterval(0); // No need of expire interval for App. |
| setResetTimeOnStart(false); // do not reset expire time on restart |
| LOG.info("Application lifelime monitor interval set to " + monitorInterval |
| + " ms."); |
| super.serviceInit(conf); |
| } |
| |
| @SuppressWarnings("unchecked") |
| @Override |
| protected synchronized void expire(RMAppToMonitor monitoredAppKey) { |
| ApplicationId appId = monitoredAppKey.getApplicationId(); |
| RMApp app = rmContext.getRMApps().get(appId); |
| if (app == null) { |
| return; |
| } |
| String diagnostics = "Application is killed by ResourceManager as it" |
| + " has exceeded the lifetime period."; |
| rmContext.getDispatcher().getEventHandler() |
| .handle(new RMAppEvent(appId, RMAppEventType.KILL, diagnostics)); |
| } |
| |
| public void registerApp(ApplicationId appId, |
| ApplicationTimeoutType timeoutType, long expireTime) { |
| RMAppToMonitor appToMonitor = new RMAppToMonitor(appId, timeoutType); |
| register(appToMonitor, expireTime); |
| } |
| |
| public void unregisterApp(ApplicationId appId, |
| ApplicationTimeoutType timeoutType) { |
| RMAppToMonitor remove = new RMAppToMonitor(appId, timeoutType); |
| unregister(remove); |
| } |
| |
| public void unregisterApp(ApplicationId appId, |
| Set<ApplicationTimeoutType> timeoutTypes) { |
| for (ApplicationTimeoutType timeoutType : timeoutTypes) { |
| unregisterApp(appId, timeoutType); |
| } |
| } |
| |
| public void updateApplicationTimeouts(ApplicationId appId, |
| Map<ApplicationTimeoutType, Long> timeouts) { |
| for (Entry<ApplicationTimeoutType, Long> entry : timeouts.entrySet()) { |
| ApplicationTimeoutType timeoutType = entry.getKey(); |
| RMAppToMonitor update = new RMAppToMonitor(appId, timeoutType); |
| register(update, entry.getValue()); |
| } |
| } |
| } |