hadoop AMLivelinessMonitor 源码
haddop AMLivelinessMonitor 代码
文件路径：/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/attempt/AMLivelinessMonitor.java
/**
* 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.attempt;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.event.Dispatcher;
import org.apache.hadoop.yarn.event.Event;
import org.apache.hadoop.yarn.event.EventHandler;
import org.apache.hadoop.yarn.util.AbstractLivelinessMonitor;
import org.apache.hadoop.yarn.util.Clock;
public class AMLivelinessMonitor extends AbstractLivelinessMonitor<ApplicationAttemptId> {
private EventHandler<Event> dispatcher;
public AMLivelinessMonitor(Dispatcher d) {
super("AMLivelinessMonitor");
this.dispatcher = d.getEventHandler();
}
public AMLivelinessMonitor(Dispatcher d, Clock clock) {
super("AMLivelinessMonitor", clock);
this.dispatcher = d.getEventHandler();
}
public void serviceInit(Configuration conf) throws Exception {
super.serviceInit(conf);
int expireIntvl = conf.getInt(YarnConfiguration.RM_AM_EXPIRY_INTERVAL_MS,
YarnConfiguration.DEFAULT_RM_AM_EXPIRY_INTERVAL_MS);
setExpireInterval(expireIntvl);
setMonitorInterval(expireIntvl/3);
}
@Override
protected void expire(ApplicationAttemptId id) {
dispatcher.handle(
new RMAppAttemptEvent(id, RMAppAttemptEventType.EXPIRE));
}
}
相关信息
相关文章
hadoop AggregateAppResourceUsage 源码
0
赞
热门推荐
-
2、 - 优质文章
-
3、 gate.io
-
7、 golang
-
9、 openharmony
-
10、 Vue中input框自动聚焦