List of usage examples for org.apache.hadoop.yarn.api.records NodeReport getNodeId
@Public @Stable public abstract NodeId getNodeId();
NodeId of the node. From source file:com.datatorrent.stram.ResourceRequestHandler.java
License:Apache License
/** * Tracks update to available resources. Resource availability is used to make decisions about where to request new * containers.// ww w. j av a 2s . c om * * @param nodeReports */ public void updateNodeReports(List<NodeReport> nodeReports) { // LOG.debug("Got {} updated node reports.", nodeReports.size()); for (NodeReport nr : nodeReports) { StringBuilder sb = new StringBuilder(); sb.append("rackName=").append(nr.getRackName()).append(",nodeid=").append(nr.getNodeId()) .append(",numContainers=").append(nr.getNumContainers()).append(",capability=") .append(nr.getCapability()).append("used=").append(nr.getUsed()).append("state=") .append(nr.getNodeState()); LOG.info("Node report: " + sb); nodeReportMap.put(nr.getNodeId().getHost(), nr); nodeToRack.put(nr.getNodeId().getHost(), nr.getRackName()); } }
From source file:com.datatorrent.stram.StramMiniClusterTest.java
License:Apache License
@Test public void testSetupShutdown() throws Exception { GetClusterNodesRequest request = Records.newRecord(GetClusterNodesRequest.class); ClientRMService clientRMService = yarnCluster.getResourceManager().getClientRMService(); GetClusterNodesResponse response = clientRMService.getClusterNodes(request); List<NodeReport> nodeReports = response.getNodeReports(); LOG.info("{}", nodeReports); for (NodeReport nr : nodeReports) { LOG.info("Node: {}", nr.getNodeId()); LOG.info("Total memory: {}", nr.getCapability()); LOG.info("Used memory: {}", nr.getUsed()); LOG.info("Number containers: {}", nr.getNumContainers()); }/*w ww . j ava2s . c o m*/ String appMasterJar = JarFinder.getJar(StreamingAppMaster.class); LOG.info("appmaster jar: " + appMasterJar); String testJar = JarFinder.getJar(StramMiniClusterTest.class); LOG.info("testJar: " + testJar); // create test application Properties dagProps = new Properties(); // input module (ensure shutdown works while windows are generated) dagProps.put(StreamingApplication.DT_PREFIX + "operator.numGen.classname", TestGeneratorInputOperator.class.getName()); dagProps.put(StreamingApplication.DT_PREFIX + "operator.numGen.maxTuples", "1"); // fake output adapter - to be ignored when determine shutdown //props.put(DAGContext.DT_PREFIX + "stream.output.classname", HDFSOutputStream.class.getName()); //props.put(DAGContext.DT_PREFIX + "stream.output.inputNode", "module2"); //props.put(DAGContext.DT_PREFIX + "stream.output.filepath", "miniclustertest-testSetupShutdown.out"); dagProps.put(StreamingApplication.DT_PREFIX + "operator.module1.classname", GenericTestOperator.class.getName()); dagProps.put(StreamingApplication.DT_PREFIX + "operator.module2.classname", GenericTestOperator.class.getName()); dagProps.put(StreamingApplication.DT_PREFIX + "stream.fromNumGen.source", "numGen.outport"); dagProps.put(StreamingApplication.DT_PREFIX + "stream.fromNumGen.sinks", "module1.inport1"); dagProps.put(StreamingApplication.DT_PREFIX + "stream.n1n2.source", "module1.outport1"); dagProps.put(StreamingApplication.DT_PREFIX + "stream.n1n2.sinks", "module2.inport1"); dagProps.setProperty(StreamingApplication.DT_PREFIX + LogicalPlan.MASTER_MEMORY_MB.getName(), "128"); dagProps.setProperty(StreamingApplication.DT_PREFIX + LogicalPlan.CONTAINER_JVM_OPTIONS.getName(), "-Dlog4j.properties=custom_log4j.properties"); dagProps.setProperty(StreamingApplication.DT_PREFIX + "operator.*." + OperatorContext.MEMORY_MB.getName(), "64"); dagProps.setProperty(StreamingApplication.DT_PREFIX + "operator.*." + OperatorContext.VCORES.getName(), "1"); dagProps.setProperty(StreamingApplication.DT_PREFIX + "operator.*.port.*." + Context.PortContext.BUFFER_MEMORY_MB.getName(), "32"); dagProps.setProperty(StreamingApplication.DT_PREFIX + LogicalPlan.DEBUG.getName(), "true"); //dagProps.setProperty(StreamingApplication.DT_PREFIX + LogicalPlan.CONTAINERS_MAX_COUNT.getName(), "2"); LOG.info("dag properties: {}", dagProps); LOG.info("Initializing Client"); LogicalPlanConfiguration tb = new LogicalPlanConfiguration(conf); tb.addFromProperties(dagProps, null); LogicalPlan dag = createDAG(tb); Configuration yarnConf = new Configuration(yarnCluster.getConfig()); StramClient client = new StramClient(yarnConf, dag); try { client.start(); if (StringUtils.isBlank(System.getenv("JAVA_HOME"))) { client.javaCmd = "java"; // JAVA_HOME not set in the yarn mini cluster } LOG.info("Running client"); client.startApplication(); boolean result = client.monitorApplication(); LOG.info("Client run completed. Result=" + result); Assert.assertTrue(result); } finally { client.stop(); } }
From source file:com.epam.hadoop.nv.yarn.Client.java
License:Apache License
/** * Main run function for the client/*from w w w .j av a2s .c om*/ * * @return true if application completed successfully * @throws IOException * @throws YarnException */ public boolean run() throws IOException, YarnException { LOG.info("Running Client"); yarnClient.start(); YarnClusterMetrics clusterMetrics = yarnClient.getYarnClusterMetrics(); LOG.info("Got Cluster metric info from ASM" + ", numNodeManagers=" + clusterMetrics.getNumNodeManagers()); List<NodeReport> clusterNodeReports = yarnClient.getNodeReports(NodeState.RUNNING); LOG.info("Got Cluster node info from ASM"); for (NodeReport node : clusterNodeReports) { LOG.info("Got node report from ASM for" + ", nodeId=" + node.getNodeId() + ", nodeAddress" + node.getHttpAddress() + ", nodeRackName" + node.getRackName() + ", nodeNumContainers" + node.getNumContainers()); } QueueInfo queueInfo = yarnClient.getQueueInfo(this.amQueue); LOG.info("Queue info" + ", queueName=" + queueInfo.getQueueName() + ", queueCurrentCapacity=" + queueInfo.getCurrentCapacity() + ", queueMaxCapacity=" + queueInfo.getMaximumCapacity() + ", queueApplicationCount=" + queueInfo.getApplications().size() + ", queueChildQueueCount=" + queueInfo.getChildQueues().size()); List<QueueUserACLInfo> listAclInfo = yarnClient.getQueueAclsInfo(); for (QueueUserACLInfo aclInfo : listAclInfo) { for (QueueACL userAcl : aclInfo.getUserAcls()) { LOG.info("User ACL Info for Queue" + ", queueName=" + aclInfo.getQueueName() + ", userAcl=" + userAcl.name()); } } // Get a new application id YarnClientApplication app = yarnClient.createApplication(); GetNewApplicationResponse appResponse = app.getNewApplicationResponse(); // TODO get min/max resource capabilities from RM and change memory ask // if needed // If we do not have min/max, we may not be able to correctly request // the required resources from the RM for the app master // Memory ask has to be a multiple of min and less than max. // Dump out information about cluster capability as seen by the resource // manager int maxMem = appResponse.getMaximumResourceCapability().getMemory(); LOG.info("Max mem capabililty of resources in this cluster " + maxMem); // A resource ask cannot exceed the max. if (amMemory > maxMem) { LOG.info("AM memory specified above max threshold of cluster. Using max value." + ", specified=" + amMemory + ", max=" + maxMem); amMemory = maxMem; } int maxVCores = appResponse.getMaximumResourceCapability().getVirtualCores(); LOG.info("Max virtual cores capabililty of resources in this cluster " + maxVCores); if (amVCores > maxVCores) { LOG.info("AM virtual cores specified above max threshold of cluster. " + "Using max value." + ", specified=" + amVCores + ", max=" + maxVCores); amVCores = maxVCores; } // set the application name ApplicationSubmissionContext appContext = app.getApplicationSubmissionContext(); ApplicationId appId = appContext.getApplicationId(); appContext.setKeepContainersAcrossApplicationAttempts(keepContainers); appContext.setApplicationName(appName); // set local resources for the application master // local files or archives as needed // In this scenario, the jar file for the application master is part of // the local resources Map<String, LocalResource> localResources = new HashMap<String, LocalResource>(); LOG.info("Copy App Master jar from local filesystem and add to local environment"); // Copy the application master jar to the filesystem // Create a local resource to point to the destination jar path FileSystem fs = FileSystem.get(conf); addToLocalResources(fs, appMasterJar, appMasterJarPath, appId.toString(), localResources, null); // Set the log4j properties if needed if (!log4jPropFile.isEmpty()) { addToLocalResources(fs, log4jPropFile, log4jPath, appId.toString(), localResources, null); } // The shell script has to be made available on the final container(s) // where it will be executed. // To do this, we need to first copy into the filesystem that is visible // to the yarn framework. // We do not need to set this as a local resource for the application // master as the application master does not need it. String hdfsShellScriptLocation = ""; long hdfsShellScriptLen = 0; long hdfsShellScriptTimestamp = 0; if (!shellScriptPath.isEmpty()) { Path shellSrc = new Path(shellScriptPath); String shellPathSuffix = appName + "/" + appId.toString() + "/" + SCRIPT_PATH; Path shellDst = new Path(fs.getHomeDirectory(), shellPathSuffix); fs.copyFromLocalFile(false, true, shellSrc, shellDst); hdfsShellScriptLocation = shellDst.toUri().toString(); FileStatus shellFileStatus = fs.getFileStatus(shellDst); hdfsShellScriptLen = shellFileStatus.getLen(); hdfsShellScriptTimestamp = shellFileStatus.getModificationTime(); } if (!shellCommand.isEmpty()) { addToLocalResources(fs, null, shellCommandPath, appId.toString(), localResources, shellCommand); } if (shellArgs.length > 0) { addToLocalResources(fs, null, shellArgsPath, appId.toString(), localResources, StringUtils.join(shellArgs, " ")); } // Set the necessary security tokens as needed // amContainer.setContainerTokens(containerToken); // Set the env variables to be setup in the env where the application // master will be run LOG.info("Set the environment for the application master"); Map<String, String> env = new HashMap<String, String>(); // put location of shell script into env // using the env info, the application master will create the correct // local resource for the // eventual containers that will be launched to execute the shell // scripts env.put(DSConstants.DISTRIBUTEDSHELLSCRIPTLOCATION, hdfsShellScriptLocation); env.put(DSConstants.DISTRIBUTEDSHELLSCRIPTTIMESTAMP, Long.toString(hdfsShellScriptTimestamp)); env.put(DSConstants.DISTRIBUTEDSHELLSCRIPTLEN, Long.toString(hdfsShellScriptLen)); // Add AppMaster.jar location to classpath // At some point we should not be required to add // the hadoop specific classpaths to the env. // It should be provided out of the box. // For now setting all required classpaths including // the classpath to "." for the application jar StringBuilder classPathEnv = new StringBuilder(Environment.CLASSPATH.$$()) .append(ApplicationConstants.CLASS_PATH_SEPARATOR).append("./*"); for (String c : conf.getStrings(YarnConfiguration.YARN_APPLICATION_CLASSPATH, YarnConfiguration.DEFAULT_YARN_CROSS_PLATFORM_APPLICATION_CLASSPATH)) { classPathEnv.append(ApplicationConstants.CLASS_PATH_SEPARATOR); classPathEnv.append(c.trim()); } classPathEnv.append(ApplicationConstants.CLASS_PATH_SEPARATOR).append("./log4j.properties"); // add the runtime classpath needed for tests to work if (conf.getBoolean(YarnConfiguration.IS_MINI_YARN_CLUSTER, false)) { classPathEnv.append(':'); classPathEnv.append(System.getProperty("java.class.path")); } env.put("CLASSPATH", classPathEnv.toString()); // Set the necessary command to execute the application master Vector<CharSequence> vargs = new Vector<CharSequence>(30); // Set java executable command LOG.info("Setting up app master command"); vargs.add(Environment.JAVA_HOME.$$() + "/bin/java"); // Set Xmx based on am memory size vargs.add("-Xmx" + amMemory + "m"); // Set class name vargs.add(appMasterMainClass); // Set params for Application Master vargs.add("--container_memory " + String.valueOf(containerMemory)); vargs.add("--container_vcores " + String.valueOf(containerVirtualCores)); vargs.add("--num_containers " + String.valueOf(numContainers)); vargs.add("--priority " + String.valueOf(shellCmdPriority)); for (Map.Entry<String, String> entry : shellEnv.entrySet()) { vargs.add("--shell_env " + entry.getKey() + "=" + entry.getValue()); } if (debugFlag) { vargs.add("--debug"); } vargs.add("1>" + ApplicationConstants.LOG_DIR_EXPANSION_VAR + "/AppMaster.stdout"); vargs.add("2>" + ApplicationConstants.LOG_DIR_EXPANSION_VAR + "/AppMaster.stderr"); // Get final commmand StringBuilder command = new StringBuilder(); for (CharSequence str : vargs) { command.append(str).append(" "); } LOG.info("Completed setting up app master command " + command.toString()); List<String> commands = new ArrayList<String>(); commands.add(command.toString()); // Set up the container launch context for the application master ContainerLaunchContext amContainer = ContainerLaunchContext.newInstance(localResources, env, commands, null, null, null); // Set up resource type requirements // For now, both memory and vcores are supported, so we set memory and // vcores requirements Resource capability = Resource.newInstance(amMemory, amVCores); appContext.setResource(capability); // Service data is a binary blob that can be passed to the application // Not needed in this scenario // amContainer.setServiceData(serviceData); // Setup security tokens if (UserGroupInformation.isSecurityEnabled()) { // Note: Credentials class is marked as LimitedPrivate for HDFS and // MapReduce Credentials credentials = new Credentials(); String tokenRenewer = conf.get(YarnConfiguration.RM_PRINCIPAL); if (tokenRenewer == null || tokenRenewer.length() == 0) { throw new IOException("Can't get Master Kerberos principal for the RM to use as renewer"); } // For now, only getting tokens for the default file-system. final Token<?> tokens[] = fs.addDelegationTokens(tokenRenewer, credentials); if (tokens != null) { for (Token<?> token : tokens) { LOG.info("Got dt for " + fs.getUri() + "; " + token); } } DataOutputBuffer dob = new DataOutputBuffer(); credentials.writeTokenStorageToStream(dob); ByteBuffer fsTokens = ByteBuffer.wrap(dob.getData(), 0, dob.getLength()); amContainer.setTokens(fsTokens); } appContext.setAMContainerSpec(amContainer); // Set the priority for the application master // TODO - what is the range for priority? how to decide? Priority pri = Priority.newInstance(amPriority); appContext.setPriority(pri); // Set the queue to which this application is to be submitted in the RM appContext.setQueue(amQueue); // Submit the application to the applications manager // SubmitApplicationResponse submitResp = // applicationsManager.submitApplication(appRequest); // Ignore the response as either a valid response object is returned on // success // or an exception thrown to denote some form of a failure LOG.info("Submitting application to ASM"); yarnClient.submitApplication(appContext); // TODO // Try submitting the same request again // app submission failure? // Monitor the application return monitorApplication(appId); }
From source file:com.flyhz.avengers.framework.application.InitEnvApplication.java
License:Apache License
private void initJar() { LOG.info("initJar"); numTotalContainers = 1;//from w ww.j a v a 2s . c o m containerMemory = 10; if (numTotalContainers == 0) { throw new IllegalArgumentException("Cannot run distributed shell with no containers"); } requestPriority = 0; YarnClient yarnClient = YarnClient.createYarnClient(); yarnClient.init(conf); yarnClient.start(); List<NodeReport> clusterNodeReports; try { clusterNodeReports = yarnClient.getNodeReports(NodeState.RUNNING); LOG.info("Got all node!"); for (NodeReport node : clusterNodeReports) { nodeSet.add(node.getNodeId().getHost()); } LOG.info("initJar Completed setting up app master command {}", initJarCmd); numTotalContainers = nodeSet.size(); for (int i = 0; i < numTotalContainers; i++) { ContainerRequest containerAsk = setupContainerAskForRM(); amRMClient.addContainerRequest(containerAsk); } numRequestedContainers.set(numTotalContainers); } catch (YarnException e) { LOG.error("initJarAndClasspath", e); } catch (IOException e) { LOG.error("initJarAndClasspath", e); } finally { try { yarnClient.close(); } catch (IOException e) { } } }
From source file:com.flyhz.avengers.framework.AvengersAppMaster.java
License:Apache License
private void initJar() { LOG.info("initJar"); initCommon();/*w w w . j a v a 2s . c om*/ this.currentProcess = "initJar"; YarnClient yarnClient = YarnClient.createYarnClient(); yarnClient.init(conf); yarnClient.start(); List<NodeReport> clusterNodeReports; try { clusterNodeReports = yarnClient.getNodeReports(NodeState.RUNNING); LOG.info("Got all node!"); for (NodeReport node : clusterNodeReports) { LOG.info("Got node report from ASM for" + ", nodeId=" + node.getNodeId() + ", nodeAddress" + node.getHttpAddress() + ", nodeRackName" + node.getRackName() + ", nodeNumContainers" + node.getNumContainers()); nodeSet.add(node.getNodeId().getHost()); } Vector<CharSequence> vargs = new Vector<CharSequence>(30); String appTempDir = conf.get("hadoop.tmp.dir"); FileSystem fs = DistributedFileSystem.get(conf); String hdfsJar = fs.getHomeDirectory() + "/avengers/" + this.appAttemptID.getApplicationId().getId() + "/AvengersAppMaster.jar"; vargs.add("if [ ! -e " + appTempDir + "/" + this.appAttemptID.getApplicationId().getId() + "/AvengersAppMaster.jar" + " ];"); vargs.add("then"); vargs.add("/bin/mkdir -p"); vargs.add(appTempDir + "/" + this.appAttemptID.getApplicationId().getId() + ";"); vargs.add(Environment.HADOOP_YARN_HOME.$() + "/bin/hadoop"); vargs.add("fs"); vargs.add("-copyToLocal"); vargs.add(hdfsJar); vargs.add(appTempDir + "/" + this.appAttemptID.getApplicationId().getId() + ";"); vargs.add("fi"); // Add log redirect params vargs.add("1>" + ApplicationConstants.LOG_DIR_EXPANSION_VAR + "/Avengers.stdout"); vargs.add("2>" + ApplicationConstants.LOG_DIR_EXPANSION_VAR + "/Avengers.stderr"); // Get final commmand StringBuilder command = new StringBuilder(); for (CharSequence str : vargs) { command.append(str).append(" "); } initJarCmd = command.toString(); LOG.info("initJar Completed setting up app master command {}", initJarCmd); numTotalContainers = nodeSet.size(); for (int i = 0; i < numTotalContainers; i++) { ContainerRequest containerAsk = setupContainerAskForRM(); amRMClient.addContainerRequest(containerAsk); } numRequestedContainers.set(numTotalContainers); while (!done && (numCompletedContainers.get() != numTotalContainers)) { try { Thread.sleep(200); } catch (InterruptedException ex) { } } } catch (YarnException e) { LOG.error("initJarAndClasspath", e); } catch (IOException e) { LOG.error("initJarAndClasspath", e); } finally { try { yarnClient.close(); } catch (IOException e) { } } }
From source file:com.flyhz.avengers.framework.AvengersClient.java
License:Apache License
/** * Main run function for the client// w w w . j av a2 s .co m * * @return true if application completed successfully * @throws IOException * @throws YarnException */ private boolean run(String appName, List<String> commands) throws IOException, YarnException { LOG.info("Running Client"); yarnClient.start(); YarnClusterMetrics clusterMetrics = yarnClient.getYarnClusterMetrics(); LOG.info("Got Cluster metric info from ASM" + ", numNodeManagers=" + clusterMetrics.getNumNodeManagers()); List<NodeReport> clusterNodeReports = yarnClient.getNodeReports(NodeState.RUNNING); LOG.info("Got Cluster node info from ASM"); for (NodeReport node : clusterNodeReports) { LOG.info("Got node report from ASM for" + ", nodeId=" + node.getNodeId() + ", nodeAddress" + node.getHttpAddress() + ", nodeRackName" + node.getRackName() + ", nodeNumContainers" + node.getNumContainers()); } QueueInfo queueInfo = yarnClient.getQueueInfo(this.amQueue); LOG.info("Queue info" + ", queueName=" + queueInfo.getQueueName() + ", queueCurrentCapacity=" + queueInfo.getCurrentCapacity() + ", queueMaxCapacity=" + queueInfo.getMaximumCapacity() + ", queueApplicationCount=" + queueInfo.getApplications().size() + ", queueChildQueueCount=" + queueInfo.getChildQueues().size()); List<QueueUserACLInfo> listAclInfo = yarnClient.getQueueAclsInfo(); for (QueueUserACLInfo aclInfo : listAclInfo) { for (QueueACL userAcl : aclInfo.getUserAcls()) { LOG.info("User ACL Info for Queue" + ", queueName=" + aclInfo.getQueueName() + ", userAcl=" + userAcl.name()); } } // Get a new application id YarnClientApplication app = yarnClient.createApplication(); GetNewApplicationResponse appResponse = app.getNewApplicationResponse(); // if needed // If we do not have min/max, we may not be able to correctly request // the required resources from the RM for the app master // Memory ask has to be a multiple of min and less than max. // Dump out information about cluster capability as seen by the resource // manager int maxMem = appResponse.getMaximumResourceCapability().getMemory(); LOG.info("Max mem capabililty of resources in this cluster " + maxMem); // A resource ask cannot exceed the max. if (amMemory > maxMem) { LOG.info("AM memory specified above max threshold of cluster. Using max value." + ", specified=" + amMemory + ", max=" + maxMem); amMemory = maxMem; } // set the application name ApplicationSubmissionContext appContext = app.getApplicationSubmissionContext(); ApplicationId appId = appContext.getApplicationId(); appContext.setApplicationName(appName); // Set up the container launch context for the application master ContainerLaunchContext amContainer = Records.newRecord(ContainerLaunchContext.class); // set local resources for the application master // local files or archives as needed // In this scenario, the jar file for the application master is part of // the local resources Map<String, LocalResource> localResources = new HashMap<String, LocalResource>(); FileSystem fs = DistributedFileSystem.get(conf); Path src = new Path(appJar); Path dst = new Path(fs.getHomeDirectory(), "avengers/" + batchId + "/avengers.jar"); if (copy) { LOG.info("copy local jar to hdfs"); fs.copyFromLocalFile(false, true, src, dst); copy = false; } this.hdfsPath = dst.toUri().toString(); LOG.info("hdfs hdfsPath = {}", dst); FileStatus destStatus = fs.getFileStatus(dst); LocalResource amJarRsrc = Records.newRecord(LocalResource.class); amJarRsrc.setType(LocalResourceType.FILE); amJarRsrc.setVisibility(LocalResourceVisibility.APPLICATION); LOG.info("YarnURLFromPath ->{}", ConverterUtils.getYarnUrlFromPath(dst)); amJarRsrc.setResource(ConverterUtils.getYarnUrlFromPath(dst)); amJarRsrc.setTimestamp(destStatus.getModificationTime()); amJarRsrc.setSize(destStatus.getLen()); localResources.put("avengers.jar", amJarRsrc); // Set the log4j properties if needed if (!log4jPropFile.isEmpty()) { Path log4jSrc = new Path(log4jPropFile); Path log4jDst = new Path(fs.getHomeDirectory(), "log4j.props"); fs.copyFromLocalFile(false, true, log4jSrc, log4jDst); FileStatus log4jFileStatus = fs.getFileStatus(log4jDst); LocalResource log4jRsrc = Records.newRecord(LocalResource.class); log4jRsrc.setType(LocalResourceType.FILE); log4jRsrc.setVisibility(LocalResourceVisibility.APPLICATION); log4jRsrc.setResource(ConverterUtils.getYarnUrlFromURI(log4jDst.toUri())); log4jRsrc.setTimestamp(log4jFileStatus.getModificationTime()); log4jRsrc.setSize(log4jFileStatus.getLen()); localResources.put("log4j.properties", log4jRsrc); } // The shell script has to be made available on the final container(s) // where it will be executed. // To do this, we need to first copy into the filesystem that is visible // to the yarn framework. // We do not need to set this as a local resource for the application // master as the application master does not need it. // Set local resource info into app master container launch context amContainer.setLocalResources(localResources); // Set the necessary security tokens as needed // amContainer.setContainerTokens(containerToken); // Set the env variables to be setup in the env where the application // master will be run LOG.info("Set the environment for the application master"); Map<String, String> env = new HashMap<String, String>(); StringBuilder classPathEnv = new StringBuilder(Environment.CLASSPATH.$()).append(File.pathSeparatorChar); for (String c : conf.getStrings(YarnConfiguration.YARN_APPLICATION_CLASSPATH, YarnConfiguration.DEFAULT_YARN_APPLICATION_CLASSPATH)) { classPathEnv.append(File.pathSeparatorChar); classPathEnv.append(c.trim()); } classPathEnv.append(File.pathSeparatorChar).append("./log4j.properties"); // add the runtime classpath needed for tests to work if (conf.getBoolean(YarnConfiguration.IS_MINI_YARN_CLUSTER, false)) { classPathEnv.append(':'); classPathEnv.append(System.getProperty("java.class.path")); } LOG.info("CLASSPATH -> " + classPathEnv); env.put("CLASSPATH", classPathEnv.toString()); amContainer.setEnvironment(env); for (String cmd : commands) { LOG.info("run command {},appId {}", cmd, appId.getId()); } amContainer.setCommands(commands); // Set up resource type requirements // For now, only memory is supported so we set memory requirements Resource capability = Records.newRecord(Resource.class); capability.setMemory(amMemory); appContext.setResource(capability); // Service data is a binary blob that can be passed to the application // Not needed in this scenario // amContainer.setServiceData(serviceData); // Setup security tokens if (UserGroupInformation.isSecurityEnabled()) { Credentials credentials = new Credentials(); String tokenRenewer = conf.get(YarnConfiguration.RM_PRINCIPAL); if (tokenRenewer == null || tokenRenewer.length() == 0) { throw new IOException("Can't get Master Kerberos principal for the RM to use as renewer"); } // For now, only getting tokens for the default file-system. final Token<?> tokens[] = fs.addDelegationTokens(tokenRenewer, credentials); if (tokens != null) { for (Token<?> token : tokens) { LOG.info("Got dt for " + fs.getUri() + "; " + token); } } DataOutputBuffer dob = new DataOutputBuffer(); credentials.writeTokenStorageToStream(dob); ByteBuffer fsTokens = ByteBuffer.wrap(dob.getData(), 0, dob.getLength()); amContainer.setTokens(fsTokens); } appContext.setAMContainerSpec(amContainer); // Set the priority for the application master Priority pri = Records.newRecord(Priority.class); pri.setPriority(amPriority); appContext.setPriority(pri); // Set the queue to which this application is to be submitted in the RM appContext.setQueue(amQueue); // Submit the application to the applications manager // SubmitApplicationResponse submitResp = // applicationsManager.submitApplication(appRequest); // Ignore the response as either a valid response object is returned on // success // or an exception thrown to denote some form of a failure LOG.info("Submitting application to ASM"); yarnClient.submitApplication(appContext); // Try submitting the same request again // app submission failure? // Monitor the application return monitorApplication(appId); }
From source file:com.github.hdl.tensorflow.yarn.app.Client.java
License:Apache License
/** * Main run function for the client/* w w w. j a v a 2s . c om*/ * @return true if application completed successfully * @throws IOException * @throws YarnException */ public boolean run() throws IOException, YarnException { yarnClient.start(); YarnClusterMetrics clusterMetrics = yarnClient.getYarnClusterMetrics(); LOG.info("Got Cluster metric info from ASM" + ", numNodeManagers=" + clusterMetrics.getNumNodeManagers()); List<NodeReport> clusterNodeReports = yarnClient.getNodeReports(NodeState.RUNNING); LOG.info("Got Cluster node info from ASM"); for (NodeReport node : clusterNodeReports) { LOG.info("Got node report from ASM for" + ", nodeId=" + node.getNodeId() + ", nodeAddress=" + node.getHttpAddress() + ", nodeRackName=" + node.getRackName() + ", nodeNumContainers=" + node.getNumContainers()); } QueueInfo queueInfo = yarnClient.getQueueInfo(this.amQueue); LOG.info("Queue info" + ", queueName=" + queueInfo.getQueueName() + ", queueCurrentCapacity=" + queueInfo.getCurrentCapacity() + ", queueMaxCapacity=" + queueInfo.getMaximumCapacity() + ", queueApplicationCount=" + queueInfo.getApplications().size() + ", queueChildQueueCount=" + queueInfo.getChildQueues().size()); List<QueueUserACLInfo> listAclInfo = yarnClient.getQueueAclsInfo(); for (QueueUserACLInfo aclInfo : listAclInfo) { for (QueueACL userAcl : aclInfo.getUserAcls()) { LOG.info("User ACL Info for Queue" + ", queueName=" + aclInfo.getQueueName() + ", userAcl=" + userAcl.name()); } } // Get a new application id YarnClientApplication app = yarnClient.createApplication(); GetNewApplicationResponse appResponse = app.getNewApplicationResponse(); // TODO get min/max resource capabilities from RM and change memory ask if needed long maxMem = appResponse.getMaximumResourceCapability().getMemorySize(); LOG.info("Max mem capability of resources in this cluster " + maxMem); if (amMemory > maxMem) { LOG.info("AM memory specified above max threshold of cluster. Using max value." + ", specified=" + amMemory + ", max=" + maxMem); amMemory = maxMem; } int maxVCores = appResponse.getMaximumResourceCapability().getVirtualCores(); LOG.info("Max virtual cores capability of resources in this cluster " + maxVCores); if (amVCores > maxVCores) { LOG.info("AM virtual cores specified above max threshold of cluster. " + "Using max value." + ", specified=" + amVCores + ", max=" + maxVCores); amVCores = maxVCores; } ApplicationSubmissionContext appContext = app.getApplicationSubmissionContext(); ApplicationId appId = appContext.getApplicationId(); appContext.setApplicationName(appName); if (attemptFailuresValidityInterval >= 0) { appContext.setAttemptFailuresValidityInterval(attemptFailuresValidityInterval); } Set<String> tags = new HashSet<String>(); appContext.setApplicationTags(tags); Map<String, LocalResource> localResources = new HashMap<String, LocalResource>(); TFAmContainer tfAmContainer = new TFAmContainer(this); // Copy the application jar to the filesystem FileSystem fs = FileSystem.get(conf); String dstJarPath = copyLocalFileToDfs(fs, appId.toString(), appMasterJar, TFContainer.SERVER_JAR_PATH); tfAmContainer.addToLocalResources(fs, new Path(dstJarPath), TFAmContainer.APPMASTER_JAR_PATH, localResources); String jniSoDfsPath = ""; if (jniSoFile != null && !jniSoFile.equals("")) { jniSoDfsPath = copyLocalFileToDfs(fs, appId.toString(), jniSoFile, "libbridge.so"); } // Set the log4j properties if needed /* if (!log4jPropFile.isEmpty()) { tfAmContainer.addToLocalResources(fs, log4jPropFile, log4jPath, appId.toString(), localResources, null); }*/ // Set the necessary security tokens as needed //amContainer.setContainerTokens(containerToken); Map<String, String> env = tfAmContainer.setJavaEnv(conf); if (null != nodeLabelExpression) { appContext.setNodeLabelExpression(nodeLabelExpression); } StringBuilder command = tfAmContainer.makeCommands(amMemory, appMasterMainClass, containerMemory, containerVirtualCores, workerNum, psNum, dstJarPath, containerRetryOptions, jniSoDfsPath); LOG.info("AppMaster command: " + command.toString()); List<String> commands = new ArrayList<String>(); commands.add(command.toString()); ContainerLaunchContext amContainer = ContainerLaunchContext.newInstance(localResources, env, commands, null, null, null); Resource capability = Resource.newInstance(amMemory, amVCores); appContext.setResource(capability); // Service data is a binary blob that can be passed to the application // Not needed in this scenario // amContainer.setServiceData(serviceData); // Setup security tokens if (UserGroupInformation.isSecurityEnabled()) { // Note: Credentials class is marked as LimitedPrivate for HDFS and MapReduce Credentials credentials = new Credentials(); String tokenRenewer = YarnClientUtils.getRmPrincipal(conf); if (tokenRenewer == null || tokenRenewer.length() == 0) { throw new IOException("Can't get Master Kerberos principal for the RM to use as renewer"); } // For now, only getting tokens for the default file-system. final Token<?> tokens[] = fs.addDelegationTokens(tokenRenewer, credentials); if (tokens != null) { for (Token<?> token : tokens) { LOG.info("Got dt for " + fs.getUri() + "; " + token); } } DataOutputBuffer dob = new DataOutputBuffer(); credentials.writeTokenStorageToStream(dob); ByteBuffer fsTokens = ByteBuffer.wrap(dob.getData(), 0, dob.getLength()); amContainer.setTokens(fsTokens); } appContext.setAMContainerSpec(amContainer); // Set the priority for the application master // TODO - what is the range for priority? how to decide? Priority pri = Priority.newInstance(amPriority); appContext.setPriority(pri); appContext.setQueue(amQueue); LOG.info("Submitting application to ASM"); yarnClient.submitApplication(appContext); handleSignal(appId); return monitorApplication(appId); }
From source file:com.hazelcast.yarn.ApplicationMaster.java
License:Open Source License
@Override public void onNodesUpdated(List<NodeReport> updated) { for (NodeReport node : updated) { if (node.getNodeState().isUnusable()) { for (HazelcastContainer container : this.containers.values()) { if (container.getNodeId().equals(node.getNodeId())) { this.containers.remove(container.getId()); LOG.log(Level.WARNING, "Node is unusable. Node: {0}, state: {1}.", new Object[] { node.getNodeId().getHost(), node.getNodeState() }); }//w w w.ja v a2s . c om } LOG.log(Level.WARNING, "Node is unusable. Node: {0}, state: {1}.", new Object[] { node.getNodeId().getHost(), node.getNodeState() }); } } }
From source file:com.ibm.bi.dml.yarn.ropt.YarnClusterAnalyzer.java
License:Open Source License
/** * Analyzes properties of Yarn cluster and Hadoop configurations. *///from www . j a v a 2 s . c o m public static void analyzeYarnCluster(YarnClient yarnClient, YarnConfiguration conf, boolean verbose) { try { List<NodeReport> nodesReport = yarnClient.getNodeReports(); if (verbose) System.out.println("There are " + nodesReport.size() + " nodes in the cluster"); if (nodesReport.isEmpty()) throw new YarnException("There are zero available nodes in the yarn cluster"); nodesMaxPhySorted = new ArrayList<Long>(nodesReport.size()); clusterTotalMem = 0; clusterTotalCores = 0; clusterTotalNodes = 0; minimumMRContainerPhyMB = -1; for (NodeReport node : nodesReport) { Resource resource = node.getCapability(); Resource used = node.getUsed(); if (used == null) used = Resource.newInstance(0, 0); int mb = resource.getMemory(); int cores = resource.getVirtualCores(); if (mb <= 0) throw new YarnException("A node has non-positive memory " + mb); int myMinMRPhyMB = mb / cores / CPU_HYPER_FACTOR; if (minimumMRContainerPhyMB < myMinMRPhyMB) minimumMRContainerPhyMB = myMinMRPhyMB; // minimumMRContainerPhyMB needs to be the largest among the mins clusterTotalMem += (long) mb * 1024 * 1024; nodesMaxPhySorted.add((long) mb * 1024 * 1024); clusterTotalCores += cores; clusterTotalNodes++; if (verbose) System.out.println("\t" + node.getNodeId() + " has " + mb + " MB (" + used.getMemory() + " MB used) memory and " + resource.getVirtualCores() + " (" + used.getVirtualCores() + " used) cores"); } Collections.sort(nodesMaxPhySorted, Collections.reverseOrder()); nodesMaxBudgetSorted = new ArrayList<Double>(nodesMaxPhySorted.size()); for (int i = 0; i < nodesMaxPhySorted.size(); i++) nodesMaxBudgetSorted.add(ResourceOptimizer.phyToBudget(nodesMaxPhySorted.get(i))); _remotePar = nodesReport.size(); if (_remotePar == 0) throw new YarnException("There are no available nodes in the yarn cluster"); // Now get the default cluster settings _remoteMRSortMem = (1024 * 1024) * conf.getLong("io.sort.mb", 100); //100MB //handle jvm max mem (map mem budget is relevant for map-side distcache and parfor) //(for robustness we probe both: child and map configuration parameters) String javaOpts1 = conf.get("mapred.child.java.opts"); //internally mapred/mapreduce synonym String javaOpts2 = conf.get("mapreduce.map.java.opts", null); //internally mapred/mapreduce synonym String javaOpts3 = conf.get("mapreduce.reduce.java.opts", null); //internally mapred/mapreduce synonym if (javaOpts2 != null) //specific value overrides generic _remoteJVMMaxMemMap = extractMaxMemoryOpt(javaOpts2); else _remoteJVMMaxMemMap = extractMaxMemoryOpt(javaOpts1); if (javaOpts3 != null) //specific value overrides generic _remoteJVMMaxMemReduce = extractMaxMemoryOpt(javaOpts3); else _remoteJVMMaxMemReduce = extractMaxMemoryOpt(javaOpts1); //HDFS blocksize String blocksize = conf.get(MRConfigurationNames.DFS_BLOCK_SIZE, "134217728"); _blocksize = Long.parseLong(blocksize); minimalPhyAllocate = (long) 1024 * 1024 * conf.getInt(YarnConfiguration.RM_SCHEDULER_MINIMUM_ALLOCATION_MB, YarnConfiguration.DEFAULT_RM_SCHEDULER_MINIMUM_ALLOCATION_MB); maximumPhyAllocate = (long) 1024 * 1024 * conf.getInt(YarnConfiguration.RM_SCHEDULER_MAXIMUM_ALLOCATION_MB, YarnConfiguration.DEFAULT_RM_SCHEDULER_MAXIMUM_ALLOCATION_MB); mrAMPhy = (long) conf.getInt("yarn.app.mapreduce.am.resource.mb", 1536) * 1024 * 1024; } catch (Exception e) { throw new RuntimeException("Unable to analyze yarn cluster ", e); } /* * This is for AppMaster to query available resource in the cluster during heartbeat * AMRMClient<ContainerRequest> rmClient = AMRMClient.createAMRMClient(); rmClient.init(conf); rmClient.start(); AllocateResponse response = rmClient.allocate(0); int nodeCount = response.getNumClusterNodes(); Resource resource = response.getAvailableResources(); List<NodeReport> nodeUpdate = response.getUpdatedNodes(); LOG.info("This is a " + nodeCount + " node cluster with totally " + resource.getMemory() + " memory and " + resource.getVirtualCores() + " cores"); LOG.info(nodereport.size() + " updatedNode reports received"); for (NodeReport node : nodeUpdate) { resource = node.getCapability(); LOG.info(node.getNodeId() + " updated with " + resource.getMemory() + " memory and " + resource.getVirtualCores() + " cores"); }*/ }
From source file:com.inforefiner.hdata.SubmitClient.java
License:Apache License
/** * Main run function for the client/*from w w w . ja va 2s.c o m*/ * * @return true if application completed successfully * @throws IOException * @throws YarnException */ public boolean run() throws IOException, YarnException { LOG.info("Running Client"); yarnClient.start(); YarnClusterMetrics clusterMetrics = yarnClient.getYarnClusterMetrics(); LOG.info("Got Cluster metric info from ASM" + ", numNodeManagers=" + clusterMetrics.getNumNodeManagers()); List<NodeReport> clusterNodeReports = yarnClient.getNodeReports(NodeState.RUNNING); LOG.info("Got Cluster node info from ASM"); for (NodeReport node : clusterNodeReports) { LOG.info("Got node report from ASM for" + ", nodeId=" + node.getNodeId() + ", nodeAddress" + node.getHttpAddress() + ", nodeRackName" + node.getRackName() + ", nodeNumContainers" + node.getNumContainers()); } QueueInfo queueInfo = yarnClient.getQueueInfo(this.amQueue); LOG.info("Queue info" + ", queueName=" + queueInfo.getQueueName() + ", queueCurrentCapacity=" + queueInfo.getCurrentCapacity() + ", queueMaxCapacity=" + queueInfo.getMaximumCapacity() + ", queueApplicationCount=" + queueInfo.getApplications().size() + ", queueChildQueueCount=" + queueInfo.getChildQueues().size()); List<QueueUserACLInfo> listAclInfo = yarnClient.getQueueAclsInfo(); for (QueueUserACLInfo aclInfo : listAclInfo) { for (QueueACL userAcl : aclInfo.getUserAcls()) { LOG.info("User ACL Info for Queue" + ", queueName=" + aclInfo.getQueueName() + ", userAcl=" + userAcl.name()); } } if (domainId != null && domainId.length() > 0 && toCreateDomain) { prepareTimelineDomain(); } // Get a new application id YarnClientApplication app = yarnClient.createApplication(); GetNewApplicationResponse appResponse = app.getNewApplicationResponse(); // TODO get min/max resource capabilities from RM and change memory ask if needed // If we do not have min/max, we may not be able to correctly request // the required resources from the RM for the app master // Memory ask has to be a multiple of min and less than max. // Dump out information about cluster capability as seen by the resource manager int maxMem = appResponse.getMaximumResourceCapability().getMemory(); LOG.info("Max mem capabililty of resources in this cluster " + maxMem); // A resource ask cannot exceed the max. if (amMemory > maxMem) { LOG.info("AM memory specified above max threshold of cluster. Using max value." + ", specified=" + amMemory + ", max=" + maxMem); amMemory = maxMem; } int maxVCores = appResponse.getMaximumResourceCapability().getVirtualCores(); LOG.info("Max virtual cores capabililty of resources in this cluster " + maxVCores); if (amVCores > maxVCores) { LOG.info("AM virtual cores specified above max threshold of cluster. " + "Using max value." + ", specified=" + amVCores + ", max=" + maxVCores); amVCores = maxVCores; } // set the application name ApplicationSubmissionContext appContext = app.getApplicationSubmissionContext(); ApplicationId appId = appContext.getApplicationId(); appContext.setKeepContainersAcrossApplicationAttempts(keepContainers); appContext.setApplicationName(appName); if (attemptFailuresValidityInterval >= 0) { appContext.setAttemptFailuresValidityInterval(attemptFailuresValidityInterval); } // set local resources for the application master // local files or archives as needed // In this scenario, the jar file for the application master is part of the local resources Map<String, LocalResource> localResources = new HashMap<String, LocalResource>(); LOG.info("Copy App Master jar from local filesystem and add to local environment"); // Copy the application master jar to the filesystem // Create a local resource to point to the destination jar path FileSystem fs = FileSystem.get(conf); addToLocalResources(fs, appMasterJar, appMasterJarPath, appId.toString(), localResources, null); // Set the log4j properties if needed if (!log4jPropFile.isEmpty()) { addToLocalResources(fs, log4jPropFile, log4jPath, appId.toString(), localResources, null); } // The shell script has to be made available on the final container(s) // where it will be executed. // To do this, we need to first copy into the filesystem that is visible // to the yarn framework. // We do not need to set this as a local resource for the application // master as the application master does not need it. String hdfsShellScriptLocation = ""; long hdfsShellScriptLen = 0; long hdfsShellScriptTimestamp = 0; if (!shellScriptPath.isEmpty()) { Path shellSrc = new Path(shellScriptPath); String shellPathSuffix = appName + "/" + appId.toString() + "/" + SCRIPT_PATH; Path shellDst = new Path(fs.getHomeDirectory(), shellPathSuffix); fs.copyFromLocalFile(false, true, shellSrc, shellDst); hdfsShellScriptLocation = shellDst.toUri().toString(); FileStatus shellFileStatus = fs.getFileStatus(shellDst); hdfsShellScriptLen = shellFileStatus.getLen(); hdfsShellScriptTimestamp = shellFileStatus.getModificationTime(); } if (!shellCommand.isEmpty()) { addToLocalResources(fs, null, shellCommandPath, appId.toString(), localResources, shellCommand); } if (shellArgs.length > 0) { addToLocalResources(fs, null, shellArgsPath, appId.toString(), localResources, StringUtils.join(shellArgs, " ")); } // Set the necessary security tokens as needed //amContainer.setContainerTokens(containerToken); // Set the env variables to be setup in the env where the application master will be run LOG.info("Set the environment for the application master"); Map<String, String> env = new HashMap<String, String>(); // put location of shell script into env // using the env info, the application master will create the correct local resource for the // eventual containers that will be launched to execute the shell scripts env.put(DSConstants.DISTRIBUTEDSHELLSCRIPTLOCATION, hdfsShellScriptLocation); env.put(DSConstants.DISTRIBUTEDSHELLSCRIPTTIMESTAMP, Long.toString(hdfsShellScriptTimestamp)); env.put(DSConstants.DISTRIBUTEDSHELLSCRIPTLEN, Long.toString(hdfsShellScriptLen)); if (domainId != null && domainId.length() > 0) { env.put(DSConstants.DISTRIBUTEDSHELLTIMELINEDOMAIN, domainId); } // Add AppMaster.jar location to classpath // At some point we should not be required to add // the hadoop specific classpaths to the env. // It should be provided out of the box. // For now setting all required classpaths including // the classpath to "." for the application jar StringBuilder classPathEnv = new StringBuilder(Environment.CLASSPATH.$$()) .append(ApplicationConstants.CLASS_PATH_SEPARATOR).append("./*"); for (String c : conf.getStrings(YarnConfiguration.YARN_APPLICATION_CLASSPATH, YarnConfiguration.DEFAULT_YARN_CROSS_PLATFORM_APPLICATION_CLASSPATH)) { classPathEnv.append(ApplicationConstants.CLASS_PATH_SEPARATOR); classPathEnv.append(c.trim()); } classPathEnv.append(ApplicationConstants.CLASS_PATH_SEPARATOR).append("./log4j.properties"); // add the runtime classpath needed for tests to work if (conf.getBoolean(YarnConfiguration.IS_MINI_YARN_CLUSTER, false)) { classPathEnv.append(':'); classPathEnv.append(System.getProperty("java.class.path")); } env.put("CLASSPATH", classPathEnv.toString()); // Set the necessary command to execute the application master Vector<CharSequence> vargs = new Vector<CharSequence>(30); // Set java executable command LOG.info("Setting up app master command"); vargs.add(Environment.JAVA_HOME.$$() + "/bin/java"); // Set Xmx based on am memory size vargs.add("-Xmx" + amMemory + "m"); // Set class name vargs.add(appMasterMainClass); // Set params for Application Master vargs.add("--container_memory " + String.valueOf(containerMemory)); vargs.add("--container_vcores " + String.valueOf(containerVirtualCores)); vargs.add("--num_containers " + String.valueOf(numContainers)); if (null != nodeLabelExpression) { appContext.setNodeLabelExpression(nodeLabelExpression); } vargs.add("--priority " + String.valueOf(shellCmdPriority)); for (Map.Entry<String, String> entry : shellEnv.entrySet()) { vargs.add("--shell_env " + entry.getKey() + "=" + entry.getValue()); } if (debugFlag) { vargs.add("--debug"); } vargs.add("1>" + ApplicationConstants.LOG_DIR_EXPANSION_VAR + "/AppMaster.stdout"); vargs.add("2>" + ApplicationConstants.LOG_DIR_EXPANSION_VAR + "/AppMaster.stderr"); // Get final commmand StringBuilder command = new StringBuilder(); for (CharSequence str : vargs) { command.append(str).append(" "); } LOG.info("Completed setting up app master command " + command.toString()); List<String> commands = new ArrayList<String>(); commands.add(command.toString()); // Set up the container launch context for the application master ContainerLaunchContext amContainer = ContainerLaunchContext.newInstance(localResources, env, commands, null, null, null); // Set up resource type requirements // For now, both memory and vcores are supported, so we set memory and // vcores requirements Resource capability = Resource.newInstance(amMemory, amVCores); appContext.setResource(capability); // Service data is a binary blob that can be passed to the application // Not needed in this scenario // amContainer.setServiceData(serviceData); // Setup security tokens if (UserGroupInformation.isSecurityEnabled()) { // Note: Credentials class is marked as LimitedPrivate for HDFS and MapReduce Credentials credentials = new Credentials(); String tokenRenewer = conf.get(YarnConfiguration.RM_PRINCIPAL); if (tokenRenewer == null || tokenRenewer.length() == 0) { throw new IOException("Can't get Master Kerberos principal for the RM to use as renewer"); } // For now, only getting tokens for the default file-system. final Token<?> tokens[] = fs.addDelegationTokens(tokenRenewer, credentials); if (tokens != null) { for (Token<?> token : tokens) { LOG.info("Got dt for " + fs.getUri() + "; " + token); } } DataOutputBuffer dob = new DataOutputBuffer(); credentials.writeTokenStorageToStream(dob); ByteBuffer fsTokens = ByteBuffer.wrap(dob.getData(), 0, dob.getLength()); amContainer.setTokens(fsTokens); } appContext.setAMContainerSpec(amContainer); // Set the priority for the application master // TODO - what is the range for priority? how to decide? Priority pri = Priority.newInstance(amPriority); appContext.setPriority(pri); // Set the queue to which this application is to be submitted in the RM appContext.setQueue(amQueue); // Submit the application to the applications manager // SubmitApplicationResponse submitResp = applicationsManager.submitApplication(appRequest); // Ignore the response as either a valid response object is returned on success // or an exception thrown to denote some form of a failure LOG.info("Submitting application to ASM"); yarnClient.submitApplication(appContext); // TODO // Try submitting the same request again // app submission failure? Thread t = new Thread(new LogReceiver()); t.start(); // Monitor the application return monitorApplication(appId); }