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YARN-8905. [Router] Add JvmMetricsInfo and pause monitor. Contributed by Bilwa S T.

This commit is contained in:
bibinchundatt 2018-11-03 20:35:31 +05:30
parent 989715ec50
commit f84a278baa
2 changed files with 46 additions and 0 deletions
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8
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-router/src/main/java/org/apache/hadoop/yarn/server/router/Router.java
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@ -24,7 +24,9 @@ import java.util.concurrent.atomic.AtomicBoolean;
import org.apache.hadoop.classification.InterfaceAudience.Private;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem;
import org.apache.hadoop.metrics2.source.JvmMetrics;
import org.apache.hadoop.service.CompositeService;
import org.apache.hadoop.util.JvmPauseMonitor;
import org.apache.hadoop.util.ShutdownHookManager;
import org.apache.hadoop.util.StringUtils;
import org.apache.hadoop.yarn.YarnUncaughtExceptionHandler;
@ -64,6 +66,7 @@ public class Router extends CompositeService {
private static CompositeServiceShutdownHook routerShutdownHook;
private Configuration conf;
private AtomicBoolean isStopping = new AtomicBoolean(false);
private JvmPauseMonitor pauseMonitor;
private RouterClientRMService clientRMProxyService;
private RouterRMAdminService rmAdminProxyService;
private WebApp webApp;
@ -100,6 +103,11 @@ public class Router extends CompositeService {
WebAppUtils.getRouterWebAppURLWithoutScheme(this.conf));
// Metrics
DefaultMetricsSystem.initialize(METRICS_NAME);
JvmMetrics jm = JvmMetrics.initSingleton("Router", null);
pauseMonitor = new JvmPauseMonitor();
addService(pauseMonitor);
jm.setPauseMonitor(pauseMonitor);
super.serviceInit(conf);
}

38
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-router/src/test/java/org/apache/hadoop/yarn/server/router/TestRouter.java Normal file
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@ -0,0 +1,38 @@
/**
* 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.router;
import static org.junit.Assert.assertEquals;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.junit.Test;
/**
* Tests {@link Router}.
*/
public class TestRouter {
@Test
public void testJVMMetricsService() {
YarnConfiguration conf = new YarnConfiguration();
Router router = new Router();
router.init(conf);
assertEquals(3, router.getServices().size());
}
}