YARN-231. RM Restart - Add FS-based persistent store implementation for RMStateStore. Contributed by Bikas Saha
git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1437245 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Hitesh Shah
parent
f5551bf809
commit
29ddce96a2
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@ -37,6 +37,9 @@ Release 2.0.3-alpha - Unreleased
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YARN-328. Use token request messages defined in hadoop common. (suresh)
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YARN-231. RM Restart - Add FS-based persistent store implementation for
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RMStateStore (Bikas Saha via hitesh)
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IMPROVEMENTS
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YARN-223. Update process tree instead of getting new process trees.
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@ -38,6 +38,8 @@ import org.apache.hadoop.classification.InterfaceStability.Unstable;
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public abstract class ApplicationAttemptId implements
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Comparable<ApplicationAttemptId> {
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public static final String appAttemptIdStrPrefix = "appattempt_";
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/**
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* Get the <code>ApplicationId</code> of the <code>ApplicationAttempId</code>.
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* @return <code>ApplicationId</code> of the <code>ApplicationAttempId</code>
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@ -111,11 +113,11 @@ public abstract class ApplicationAttemptId implements
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@Override
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public String toString() {
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StringBuilder sb = new StringBuilder("appattempt_");
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StringBuilder sb = new StringBuilder(appAttemptIdStrPrefix);
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sb.append(this.getApplicationId().getClusterTimestamp()).append("_");
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sb.append(ApplicationId.appIdFormat.get().format(
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this.getApplicationId().getId()));
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sb.append("_").append(attemptIdFormat.get().format(getAttemptId()));
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return sb.toString();
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}
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}
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}
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@ -38,6 +38,8 @@ import org.apache.hadoop.classification.InterfaceStability.Unstable;
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@Stable
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public abstract class ApplicationId implements Comparable<ApplicationId> {
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public static final String appIdStrPrefix = "application_";
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/**
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* Get the short integer identifier of the <code>ApplicationId</code>
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* which is unique for all applications started by a particular instance
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@ -88,7 +90,7 @@ public abstract class ApplicationId implements Comparable<ApplicationId> {
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@Override
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public String toString() {
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return "application_" + this.getClusterTimestamp() + "_"
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return appIdStrPrefix + this.getClusterTimestamp() + "_"
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+ appIdFormat.get().format(getId());
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}
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@ -119,4 +121,4 @@ public abstract class ApplicationId implements Comparable<ApplicationId> {
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return false;
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return true;
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}
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}
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}
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@ -236,6 +236,10 @@ public class YarnConfiguration extends Configuration {
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/** The class to use as the persistent store.*/
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public static final String RM_STORE = RM_PREFIX + "store.class";
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/** URI for FileSystemRMStateStore */
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public static final String FS_RM_STATE_STORE_URI =
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RM_PREFIX + "fs.rm-state-store.uri";
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/** The maximum number of completed applications RM keeps. */
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public static final String RM_MAX_COMPLETED_APPLICATIONS =
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RM_PREFIX + "max-completed-applications";
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@ -230,6 +230,17 @@
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<property>
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<description>The class to use as the persistent store.</description>
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<name>yarn.resourcemanager.store.class</name>
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<value>org.apache.hadoop.yarn.server.resourcemanager.recovery.FileSystemRMStateStore</value>
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</property>
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<property>
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<description>URI pointing to the location of the FileSystem path where
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RM state will be stored. This must be supplied when using
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org.apache.hadoop.yarn.server.resourcemanager.recovery.FileSystemRMStateStore
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as the value for yarn.resourcemanager.store.class</description>
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<name>yarn.resourcemanager.fs.rm-state-store.uri</name>
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<value>${hadoop.tmp.dir}/yarn/system/rmstore</value>
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<!--value>hdfs://localhost:9000/rmstore</value-->
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</property>
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<property>
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@ -41,6 +41,12 @@
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<groupId>org.apache.hadoop</groupId>
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<artifactId>hadoop-yarn-server-web-proxy</artifactId>
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</dependency>
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<dependency>
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<groupId>org.apache.hadoop</groupId>
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<artifactId>hadoop-hdfs</artifactId>
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<type>test-jar</type>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<build>
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@ -0,0 +1,233 @@
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/**
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.hadoop.yarn.server.resourcemanager.recovery;
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import java.util.ArrayList;
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import java.util.List;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.apache.hadoop.classification.InterfaceAudience.Private;
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import org.apache.hadoop.classification.InterfaceStability.Unstable;
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import org.apache.hadoop.conf.Configuration;
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import org.apache.hadoop.fs.FSDataInputStream;
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import org.apache.hadoop.fs.FSDataOutputStream;
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import org.apache.hadoop.fs.FileStatus;
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import org.apache.hadoop.fs.FileSystem;
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import org.apache.hadoop.fs.Path;
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import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
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import org.apache.hadoop.yarn.api.records.ApplicationId;
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import org.apache.hadoop.yarn.api.records.impl.pb.ApplicationAttemptStateDataPBImpl;
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import org.apache.hadoop.yarn.api.records.impl.pb.ApplicationStateDataPBImpl;
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import org.apache.hadoop.yarn.conf.YarnConfiguration;
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import org.apache.hadoop.yarn.proto.YarnProtos.ApplicationAttemptStateDataProto;
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import org.apache.hadoop.yarn.proto.YarnProtos.ApplicationStateDataProto;
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import org.apache.hadoop.yarn.util.ConverterUtils;
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import com.google.common.annotations.VisibleForTesting;
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@Private
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@Unstable
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/**
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* A simple class for storing RM state in any storage that implements a basic
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* FileSystem interface. Does not use directories so that simple key-value
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* stores can be used. The retry policy for the real filesystem client must be
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* configured separately to enable retry of filesystem operations when needed.
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*/
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public class FileSystemRMStateStore extends RMStateStore {
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public static final Log LOG = LogFactory.getLog(FileSystemRMStateStore.class);
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private static final String ROOT_DIR_NAME = "FSRMStateRoot";
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private FileSystem fs;
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private Path fsRootDirPath;
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@VisibleForTesting
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Path fsWorkingPath;
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public synchronized void initInternal(Configuration conf)
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throws Exception{
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fsWorkingPath = new Path(conf.get(YarnConfiguration.FS_RM_STATE_STORE_URI));
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fsRootDirPath = new Path(fsWorkingPath, ROOT_DIR_NAME);
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// create filesystem
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fs = fsWorkingPath.getFileSystem(conf);
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fs.mkdirs(fsRootDirPath);
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}
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@Override
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protected synchronized void closeInternal() throws Exception {
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fs.close();
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}
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@Override
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public synchronized RMState loadState() throws Exception {
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try {
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RMState state = new RMState();
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FileStatus[] childNodes = fs.listStatus(fsRootDirPath);
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List<ApplicationAttemptState> attempts =
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new ArrayList<ApplicationAttemptState>();
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for(FileStatus childNodeStatus : childNodes) {
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assert childNodeStatus.isFile();
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String childNodeName = childNodeStatus.getPath().getName();
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Path childNodePath = getNodePath(childNodeName);
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byte[] childData = readFile(childNodePath, childNodeStatus.getLen());
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if(childNodeName.startsWith(ApplicationId.appIdStrPrefix)){
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// application
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LOG.info("Loading application from node: " + childNodeName);
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ApplicationId appId = ConverterUtils.toApplicationId(childNodeName);
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ApplicationStateDataPBImpl appStateData =
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new ApplicationStateDataPBImpl(
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ApplicationStateDataProto.parseFrom(childData));
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ApplicationState appState = new ApplicationState(
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appStateData.getSubmitTime(),
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appStateData.getApplicationSubmissionContext());
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// assert child node name is same as actual applicationId
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assert appId.equals(appState.context.getApplicationId());
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state.appState.put(appId, appState);
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} else if(childNodeName.startsWith(
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ApplicationAttemptId.appAttemptIdStrPrefix)) {
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// attempt
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LOG.info("Loading application attempt from node: " + childNodeName);
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ApplicationAttemptId attemptId =
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ConverterUtils.toApplicationAttemptId(childNodeName);
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ApplicationAttemptStateDataPBImpl attemptStateData =
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new ApplicationAttemptStateDataPBImpl(
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ApplicationAttemptStateDataProto.parseFrom(childData));
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ApplicationAttemptState attemptState = new ApplicationAttemptState(
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attemptId, attemptStateData.getMasterContainer());
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// assert child node name is same as application attempt id
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assert attemptId.equals(attemptState.getAttemptId());
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attempts.add(attemptState);
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} else {
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LOG.info("Unknown child node with name: " + childNodeName);
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}
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}
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// go through all attempts and add them to their apps
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for(ApplicationAttemptState attemptState : attempts) {
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ApplicationId appId = attemptState.getAttemptId().getApplicationId();
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ApplicationState appState = state.appState.get(appId);
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if(appState != null) {
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appState.attempts.put(attemptState.getAttemptId(), attemptState);
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} else {
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// the application node may have been removed when the application
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// completed but the RM might have stopped before it could remove the
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// application attempt nodes
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LOG.info("Application node not found for attempt: "
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+ attemptState.getAttemptId());
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deleteFile(getNodePath(attemptState.getAttemptId().toString()));
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}
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}
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return state;
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} catch (Exception e) {
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LOG.error("Failed to load state.", e);
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throw e;
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}
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}
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@Override
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public synchronized void storeApplicationState(String appId,
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ApplicationStateDataPBImpl appStateDataPB)
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throws Exception {
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Path nodeCreatePath = getNodePath(appId);
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LOG.info("Storing info for app: " + appId + " at: " + nodeCreatePath);
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byte[] appStateData = appStateDataPB.getProto().toByteArray();
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try {
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// currently throw all exceptions. May need to respond differently for HA
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// based on whether we have lost the right to write to FS
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writeFile(nodeCreatePath, appStateData);
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} catch (Exception e) {
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LOG.info("Error storing info for app: " + appId, e);
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throw e;
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}
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}
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@Override
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public synchronized void storeApplicationAttemptState(String attemptId,
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ApplicationAttemptStateDataPBImpl attemptStateDataPB)
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throws Exception {
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Path nodeCreatePath = getNodePath(attemptId);
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LOG.info("Storing info for attempt: " + attemptId
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+ " at: " + nodeCreatePath);
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byte[] attemptStateData = attemptStateDataPB.getProto().toByteArray();
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try {
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// currently throw all exceptions. May need to respond differently for HA
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// based on whether we have lost the right to write to FS
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writeFile(nodeCreatePath, attemptStateData);
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} catch (Exception e) {
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LOG.info("Error storing info for attempt: " + attemptId, e);
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throw e;
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}
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}
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@Override
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public synchronized void removeApplicationState(ApplicationState appState)
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throws Exception {
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String appId = appState.getAppId().toString();
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Path nodeRemovePath = getNodePath(appId);
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LOG.info("Removing info for app: " + appId + " at: " + nodeRemovePath);
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deleteFile(nodeRemovePath);
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for(ApplicationAttemptId attemptId : appState.attempts.keySet()) {
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removeApplicationAttemptState(attemptId.toString());
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}
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}
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public synchronized void removeApplicationAttemptState(String attemptId)
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throws Exception {
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Path nodeRemovePath = getNodePath(attemptId);
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LOG.info("Removing info for attempt: " + attemptId
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+ " at: " + nodeRemovePath);
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deleteFile(nodeRemovePath);
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}
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// FileSystem related code
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private void deleteFile(Path deletePath) throws Exception {
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if(!fs.delete(deletePath, true)) {
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throw new Exception("Failed to delete " + deletePath);
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}
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}
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private byte[] readFile(Path inputPath, long len) throws Exception {
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FSDataInputStream fsIn = fs.open(inputPath);
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// state data will not be that "long"
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byte[] data = new byte[(int)len];
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fsIn.readFully(data);
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return data;
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}
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private void writeFile(Path outputPath, byte[] data) throws Exception {
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FSDataOutputStream fsOut = fs.create(outputPath, false);
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fsOut.write(data);
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fsOut.flush();
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fsOut.close();
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}
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@VisibleForTesting
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Path getNodePath(String nodeName) {
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return new Path(fsRootDirPath, nodeName);
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}
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}
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@ -18,10 +18,12 @@
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package org.apache.hadoop.yarn.server.resourcemanager.recovery;
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import org.apache.hadoop.classification.InterfaceStability.Unstable;
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import org.apache.hadoop.conf.Configuration;
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import org.apache.hadoop.yarn.api.records.impl.pb.ApplicationAttemptStateDataPBImpl;
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import org.apache.hadoop.yarn.api.records.impl.pb.ApplicationStateDataPBImpl;
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@Unstable
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public class NullRMStateStore extends RMStateStore {
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@Override
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@ -36,7 +38,7 @@ public class NullRMStateStore extends RMStateStore {
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@Override
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public RMState loadState() throws Exception {
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return null;
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throw new UnsupportedOperationException("Cannot load state from null store");
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}
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@Override
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@ -0,0 +1,284 @@
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/**
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
|
||||
* regarding copyright ownership. The ASF licenses this file
|
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* to you under the Apache License, Version 2.0 (the
|
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* "License"); you may not use this file except in compliance
|
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
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* limitations under the License.
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*/
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package org.apache.hadoop.yarn.server.resourcemanager.recovery;
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import static org.junit.Assert.*;
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import static org.mockito.Mockito.*;
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import java.util.HashMap;
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import java.util.Map;
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import org.junit.Test;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.apache.hadoop.conf.Configuration;
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import org.apache.hadoop.fs.FileStatus;
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import org.apache.hadoop.fs.FileSystem;
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import org.apache.hadoop.fs.Path;
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import org.apache.hadoop.hdfs.HdfsConfiguration;
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import org.apache.hadoop.hdfs.MiniDFSCluster;
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import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
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import org.apache.hadoop.yarn.api.records.ApplicationId;
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import org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext;
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import org.apache.hadoop.yarn.api.records.Container;
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import org.apache.hadoop.yarn.api.records.ContainerId;
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import org.apache.hadoop.yarn.api.records.impl.pb.ApplicationSubmissionContextPBImpl;
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import org.apache.hadoop.yarn.api.records.impl.pb.ContainerPBImpl;
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import org.apache.hadoop.yarn.conf.YarnConfiguration;
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import org.apache.hadoop.yarn.event.Dispatcher;
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import org.apache.hadoop.yarn.event.EventHandler;
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import org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore.ApplicationAttemptState;
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import org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore.ApplicationState;
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import org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore.RMState;
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import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMApp;
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import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttempt;
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import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.event.RMAppAttemptStoredEvent;
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import org.apache.hadoop.yarn.util.ConverterUtils;
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public class TestRMStateStore {
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public static final Log LOG = LogFactory.getLog(TestRMStateStore.class);
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class TestDispatcher implements Dispatcher, EventHandler<RMAppAttemptStoredEvent> {
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ApplicationAttemptId attemptId;
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Exception storedException;
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boolean notified = false;
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@SuppressWarnings("rawtypes")
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@Override
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public void register(Class<? extends Enum> eventType, EventHandler handler) {
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}
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@Override
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public void handle(RMAppAttemptStoredEvent event) {
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assertEquals(attemptId, event.getApplicationAttemptId());
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assertEquals(storedException, event.getStoredException());
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notified = true;
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synchronized (this) {
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notifyAll();
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}
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}
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@SuppressWarnings("rawtypes")
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@Override
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public EventHandler getEventHandler() {
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return this;
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}
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}
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interface RMStateStoreHelper {
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RMStateStore getRMStateStore() throws Exception;
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void addOrphanAttemptIfNeeded(RMStateStore testStore,
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TestDispatcher dispatcher) throws Exception;
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boolean isFinalStateValid() throws Exception;
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}
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|
||||
@Test
|
||||
public void testFSRMStateStore() throws Exception {
|
||||
HdfsConfiguration conf = new HdfsConfiguration();
|
||||
MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).numDataNodes(1).build();
|
||||
try {
|
||||
TestFSRMStateStoreTester fsTester = new TestFSRMStateStoreTester(cluster);
|
||||
testRMStateStore(fsTester);
|
||||
} finally {
|
||||
cluster.shutdown();
|
||||
}
|
||||
}
|
||||
|
||||
class TestFSRMStateStoreTester implements RMStateStoreHelper {
|
||||
Path workingDirPathURI;
|
||||
FileSystemRMStateStore store;
|
||||
MiniDFSCluster cluster;
|
||||
|
||||
class TestFileSystemRMStore extends FileSystemRMStateStore {
|
||||
TestFileSystemRMStore(Configuration conf) throws Exception {
|
||||
init(conf);
|
||||
assertTrue(workingDirPathURI.equals(fsWorkingPath));
|
||||
}
|
||||
}
|
||||
|
||||
public TestFSRMStateStoreTester(MiniDFSCluster cluster) throws Exception {
|
||||
Path workingDirPath = new Path("/Test");
|
||||
this.cluster = cluster;
|
||||
FileSystem fs = cluster.getFileSystem();
|
||||
fs.mkdirs(workingDirPath);
|
||||
Path clusterURI = new Path(cluster.getURI());
|
||||
workingDirPathURI = new Path(clusterURI, workingDirPath);
|
||||
fs.close();
|
||||
}
|
||||
|
||||
@Override
|
||||
public RMStateStore getRMStateStore() throws Exception {
|
||||
YarnConfiguration conf = new YarnConfiguration();
|
||||
conf.set(YarnConfiguration.FS_RM_STATE_STORE_URI, workingDirPathURI.toString());
|
||||
this.store = new TestFileSystemRMStore(conf);
|
||||
return store;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void addOrphanAttemptIfNeeded(RMStateStore testStore,
|
||||
TestDispatcher dispatcher) throws Exception {
|
||||
ApplicationAttemptId attemptId = ConverterUtils.toApplicationAttemptId(
|
||||
"appattempt_1352994193343_0003_000001");
|
||||
storeAttempt(testStore, attemptId,
|
||||
"container_1352994193343_0003_01_000001", dispatcher);
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isFinalStateValid() throws Exception {
|
||||
FileSystem fs = cluster.getFileSystem();
|
||||
FileStatus[] files = fs.listStatus(workingDirPathURI);
|
||||
if(files.length == 1) {
|
||||
// only store root directory should exist
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
void waitNotify(TestDispatcher dispatcher) {
|
||||
long startTime = System.currentTimeMillis();
|
||||
while(!dispatcher.notified) {
|
||||
synchronized (dispatcher) {
|
||||
try {
|
||||
dispatcher.wait(1000);
|
||||
} catch (InterruptedException e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
}
|
||||
if(System.currentTimeMillis() - startTime > 1000*60) {
|
||||
fail("Timed out attempt store notification");
|
||||
}
|
||||
}
|
||||
dispatcher.notified = false;
|
||||
}
|
||||
|
||||
void storeApp(RMStateStore store, ApplicationId appId, long time)
|
||||
throws Exception {
|
||||
ApplicationSubmissionContext context = new ApplicationSubmissionContextPBImpl();
|
||||
context.setApplicationId(appId);
|
||||
|
||||
RMApp mockApp = mock(RMApp.class);
|
||||
when(mockApp.getApplicationId()).thenReturn(appId);
|
||||
when(mockApp.getSubmitTime()).thenReturn(time);
|
||||
when(mockApp.getApplicationSubmissionContext()).thenReturn(context);
|
||||
store.storeApplication(mockApp);
|
||||
}
|
||||
|
||||
ContainerId storeAttempt(RMStateStore store, ApplicationAttemptId attemptId,
|
||||
String containerIdStr, TestDispatcher dispatcher)
|
||||
throws Exception {
|
||||
|
||||
Container container = new ContainerPBImpl();
|
||||
container.setId(ConverterUtils.toContainerId(containerIdStr));
|
||||
RMAppAttempt mockAttempt = mock(RMAppAttempt.class);
|
||||
when(mockAttempt.getAppAttemptId()).thenReturn(attemptId);
|
||||
when(mockAttempt.getMasterContainer()).thenReturn(container);
|
||||
dispatcher.attemptId = attemptId;
|
||||
dispatcher.storedException = null;
|
||||
store.storeApplicationAttempt(mockAttempt);
|
||||
waitNotify(dispatcher);
|
||||
return container.getId();
|
||||
}
|
||||
|
||||
void testRMStateStore(RMStateStoreHelper stateStoreHelper) throws Exception {
|
||||
long submitTime = System.currentTimeMillis();
|
||||
RMStateStore store = stateStoreHelper.getRMStateStore();
|
||||
TestDispatcher dispatcher = new TestDispatcher();
|
||||
store.setDispatcher(dispatcher);
|
||||
|
||||
ApplicationAttemptId attemptId1 = ConverterUtils
|
||||
.toApplicationAttemptId("appattempt_1352994193343_0001_000001");
|
||||
ApplicationId appId1 = attemptId1.getApplicationId();
|
||||
storeApp(store, appId1, submitTime);
|
||||
ContainerId containerId1 = storeAttempt(store, attemptId1,
|
||||
"container_1352994193343_0001_01_000001", dispatcher);
|
||||
String appAttemptIdStr2 = "appattempt_1352994193343_0001_000002";
|
||||
ApplicationAttemptId attemptId2 =
|
||||
ConverterUtils.toApplicationAttemptId(appAttemptIdStr2);
|
||||
ContainerId containerId2 = storeAttempt(store, attemptId2,
|
||||
"container_1352994193343_0001_02_000001", dispatcher);
|
||||
|
||||
ApplicationAttemptId attemptIdRemoved = ConverterUtils
|
||||
.toApplicationAttemptId("appattempt_1352994193343_0002_000001");
|
||||
ApplicationId appIdRemoved = attemptIdRemoved.getApplicationId();
|
||||
storeApp(store, appIdRemoved, submitTime);
|
||||
storeAttempt(store, attemptIdRemoved,
|
||||
"container_1352994193343_0002_01_000001", dispatcher);
|
||||
|
||||
RMApp mockRemovedApp = mock(RMApp.class);
|
||||
HashMap<ApplicationAttemptId, RMAppAttempt> attempts =
|
||||
new HashMap<ApplicationAttemptId, RMAppAttempt>();
|
||||
ApplicationSubmissionContext context = new ApplicationSubmissionContextPBImpl();
|
||||
context.setApplicationId(appIdRemoved);
|
||||
when(mockRemovedApp.getSubmitTime()).thenReturn(submitTime);
|
||||
when(mockRemovedApp.getApplicationSubmissionContext()).thenReturn(context);
|
||||
when(mockRemovedApp.getAppAttempts()).thenReturn(attempts);
|
||||
RMAppAttempt mockRemovedAttempt = mock(RMAppAttempt.class);
|
||||
when(mockRemovedAttempt.getAppAttemptId()).thenReturn(attemptIdRemoved);
|
||||
attempts.put(attemptIdRemoved, mockRemovedAttempt);
|
||||
store.removeApplication(mockRemovedApp);
|
||||
|
||||
// add orphan attempt file to simulate incomplete removal of app state
|
||||
stateStoreHelper.addOrphanAttemptIfNeeded(store, dispatcher);
|
||||
|
||||
// let things settle down
|
||||
Thread.sleep(1000);
|
||||
store.close();
|
||||
|
||||
// load state
|
||||
store = stateStoreHelper.getRMStateStore();
|
||||
RMState state = store.loadState();
|
||||
Map<ApplicationId, ApplicationState> rmAppState = state.getApplicationState();
|
||||
|
||||
// removed app or orphan attempt is not loaded
|
||||
assertEquals(1, rmAppState.size());
|
||||
|
||||
ApplicationState appState = rmAppState.get(appId1);
|
||||
// app is loaded
|
||||
assertNotNull(appState);
|
||||
// app is loaded correctly
|
||||
assertEquals(submitTime, appState.getSubmitTime());
|
||||
// submission context is loaded correctly
|
||||
assertEquals(appId1,
|
||||
appState.getApplicationSubmissionContext().getApplicationId());
|
||||
ApplicationAttemptState attemptState = appState.getAttempt(attemptId1);
|
||||
// attempt1 is loaded correctly
|
||||
assertNotNull(attemptState);
|
||||
assertEquals(attemptId1, attemptState.getAttemptId());
|
||||
// attempt1 container is loaded correctly
|
||||
assertEquals(containerId1, attemptState.getMasterContainer().getId());
|
||||
attemptState = appState.getAttempt(attemptId2);
|
||||
// attempt2 is loaded correctly
|
||||
assertNotNull(attemptState);
|
||||
assertEquals(attemptId2, attemptState.getAttemptId());
|
||||
// attempt2 container is loaded correctly
|
||||
assertEquals(containerId2, attemptState.getMasterContainer().getId());
|
||||
|
||||
// assert store is in expected state after everything is cleaned
|
||||
assertTrue(stateStoreHelper.isFinalStateValid());
|
||||
|
||||
store.close();
|
||||
}
|
||||
|
||||
}
|
||||
Loading…
Reference in New Issue