List of usage examples for org.apache.hadoop.yarn.api.records Resource newInstance
@Public @Stable public static Resource newInstance(long memory, int vCores)
From source file:x10.x10rt.yarn.ApplicationMaster.java
License:Open Source License
private void processMessage(ByteBuffer msg, SocketChannel sc) { assert (msg.capacity() >= headerLength); msg.rewind(); // reset the buffer for reading from the beginning CTRL_MSG_TYPE type = CTRL_MSG_TYPE.values()[msg.getInt()]; int destination = msg.getInt(); final int source = msg.getInt(); int datalen = msg.getInt(); assert (datalen == msg.remaining()); LOG.info("Processing message of type " + type + ", size " + (headerLength + datalen) + " from place " + source);// ww w . ja v a 2 s. c o m /* System.err.print("Message contents:"); for (int i=0; i<msg.capacity(); i++) System.err.print(" "+Integer.toHexString(msg.get(i)).toUpperCase()); System.err.println(); */ switch (type) { case HELLO: { // read the port information, and update the record for this place assert (datalen == 4 && source < numRequestedContainers.get() && source >= 0); final CommunicationLink linkInfo; LOG.info("Getting link for place " + source); synchronized (links) { linkInfo = links.get(source); } linkInfo.port = ((msg.get() & 0xFF) << 8) | (msg.get() & 0xFF); // unsigned short in network order linkInfo.sc = sc; // check if there are pending port requests for this place if (linkInfo.pendingPortRequests != null) { // prepare response message String linkString = linkInfo.node.getHost() + ":" + linkInfo.port; byte[] linkBytes = linkString.getBytes(); // matches existing code. TODO: switch to UTF8 ByteBuffer response = ByteBuffer.allocateDirect(headerLength + linkBytes.length) .order(ByteOrder.nativeOrder()); response.putInt(CTRL_MSG_TYPE.PORT_RESPONSE.ordinal()); response.putInt(-1); response.putInt(source); response.putInt(linkBytes.length); response.put(linkBytes); // send response to each waiting place for (int place : linkInfo.pendingPortRequests) { response.putInt(4, place); // set the destination to the requesting place response.rewind(); // TODO: this code may get stuck here if the reciever isn't reading properly try { while (response.hasRemaining()) links.get(place).sc.write(response); } catch (IOException e) { LOG.warn("Unable to send out port response for place " + place + " to place " + source, e); } } linkInfo.pendingPortRequests = null; } LOG.info("HELLO from place " + source + " at port " + linkInfo.port); if (pendingKills != null && pendingKills.containsKey(source)) { int delay = pendingKills.remove(source); LOG.info("Scheduling a takedown of place " + source + " in " + delay + " seconds"); placeKiller.schedule(new Runnable() { @Override public void run() { LOG.info("KILLING CONTAINER FOR PLACE " + source); nodeManager.stopContainerAsync(linkInfo.container, linkInfo.node); } }, delay, TimeUnit.SECONDS); } } break; case GOODBYE: { try { CommunicationLink link = links.get(source); assert (link.pendingPortRequests == null); sc.close(); link.port = PORT_DEAD; } catch (IOException e) { LOG.warn("Error closing socket channel", e); } LOG.info("GOODBYE to place " + source); } break; case PORT_REQUEST: { LOG.info("Got PORT_REQUEST from place " + source + " for place " + destination); // check to see if we know the requested information CommunicationLink linkInfo = links.get(destination); if (linkInfo.port != PORT_UNKNOWN) { String linkString; if (linkInfo.port == PORT_DEAD) linkString = DEAD; else linkString = linkInfo.node.getHost() + ":" + linkInfo.port; LOG.info("Telling place " + source + " that place " + destination + " is at " + linkString); byte[] linkBytes = linkString.getBytes(); // matches existing code. TODO: switch to UTF8 ByteBuffer response = ByteBuffer.allocateDirect(headerLength + linkBytes.length) .order(ByteOrder.nativeOrder()); response.putInt(CTRL_MSG_TYPE.PORT_RESPONSE.ordinal()); response.putInt(source); response.putInt(destination); response.putInt(linkBytes.length); response.put(linkBytes); response.rewind(); // TODO: this code may get stuck here if the reciever isn't reading properly try { while (response.hasRemaining()) sc.write(response); } catch (IOException e) { LOG.warn("Unable to send out port response for place " + destination + " to place " + source, e); } } else { // port is not known. remember we have a place asking for it when it becomes available if (linkInfo.pendingPortRequests == null) linkInfo.pendingPortRequests = new ArrayList<Integer>(2); linkInfo.pendingPortRequests.add(source); LOG.info("Stashing PORT_REQUEST from place " + source + " for place " + destination + " until the answer is known"); } } break; case LAUNCH_REQUEST: { assert (datalen == 8); int numPlacesRequested = (int) msg.getLong(); int oldvalue = numRequestedContainers.getAndAdd((int) numPlacesRequested); // Send request for containers to RM for (int i = 0; i < numPlacesRequested; i++) { Resource capability = Resource.newInstance(memoryPerPlaceInMb, coresPerPlace); ContainerRequest request = new ContainerRequest(capability, null, null, Priority.newInstance(0)); LOG.info("Adding a new container request " + request.toString()); resourceManager.addContainerRequest(request); pendingRequests.add(request); } LOG.info("Requested an increase of " + numPlacesRequested + " places on top of the previous " + oldvalue + " places"); msg.rewind(); msg.putInt(CTRL_MSG_TYPE.LAUNCH_RESPONSE.ordinal()); msg.rewind(); try { while (msg.hasRemaining()) sc.write(msg); } catch (IOException e) { LOG.warn("Unable to send out launch response to place " + source, e); } } break; default: LOG.warn("unknown message type " + type); } LOG.info("Finished processing message of size " + (headerLength + datalen) + " from place " + source); }
From source file:x10.x10rt.yarn.Client.java
License:Open Source License
public void run() throws IOException, YarnException { yarnClient.start();// w ww . ja v a 2 s . co m YarnClusterMetrics clusterMetrics = yarnClient.getYarnClusterMetrics(); // print out cluster information 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(); int maxMem = appResponse.getMaximumResourceCapability().getMemory(); LOG.info("Max mem capabililty of resources in this cluster " + maxMem); int maxVCores = appResponse.getMaximumResourceCapability().getVirtualCores(); LOG.info("Max virtual cores capabililty of resources in this cluster " + maxVCores); // set the application name ApplicationSubmissionContext appContext = app.getApplicationSubmissionContext(); final ApplicationId appId = appContext.getApplicationId(); appContext.setKeepContainersAcrossApplicationAttempts(false); appContext.setApplicationName(appName); 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); StringBuilder x10jars = new StringBuilder(); boolean isNative = Boolean.getBoolean(ApplicationMaster.X10_YARN_NATIVE); String[] jarfiles = classPath.split(":"); // upload jar files for (String jar : jarfiles) { if (jar.endsWith(".jar")) { String nopath = jar.substring(jar.lastIndexOf('/') + 1); LOG.info("Uploading " + nopath + " to " + fs.getUri()); x10jars.append(addToLocalResources(fs, jar, nopath, appId.toString(), localResources, null)); if (isNative) { // add the user's program. LOG.info("Uploading application " + appName + " to " + fs.getUri()); x10jars.append(':'); x10jars.append(addToLocalResources(fs, args[mainClassArg], appName, appId.toString(), localResources, null)); break; // no other jar files are needed beyond the one holding ApplicationMaster, which is the first one } else x10jars.append(':'); } } StringBuilder uploadedFiles = new StringBuilder(); // upload any files specified via -upload argument to the x10 script String upload = System.getProperty(ApplicationMaster.X10_YARNUPLOAD); if (upload != null) { String[] files = upload.split(","); for (String file : files) { String nopath = file.substring(file.lastIndexOf('/') + 1); LOG.info("Uploading file " + nopath + " to " + fs.getUri()); uploadedFiles.append(addToLocalResources(fs, file, nopath, appId.toString(), localResources, null)); uploadedFiles.append(','); } } LOG.info("Set the environment for the application master"); Map<String, String> env = new HashMap<String, String>(); //env.putAll(System.getenv()); // copy all environment variables from the client side to the application side // copy over existing environment variables for (String key : System.getenv().keySet()) { if (!key.startsWith("BASH_FUNC_") && !key.equals("LS_COLORS")) // skip some env.put(ApplicationMaster.X10YARNENV_ + key, System.getenv(key)); } String places = System.getenv(ApplicationMaster.X10_NPLACES); env.put(ApplicationMaster.X10_NPLACES, (places == null) ? "1" : places); String cores = System.getenv(ApplicationMaster.X10_NTHREADS); env.put(ApplicationMaster.X10_NTHREADS, (cores == null) ? "0" : cores); env.put(ApplicationMaster.X10_HDFS_JARS, x10jars.toString()); // 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.$$()) .append(ApplicationConstants.CLASS_PATH_SEPARATOR).append("./*"); for (String c : conf.getStrings(YarnConfiguration.YARN_APPLICATION_CLASSPATH, YarnConfiguration.DEFAULT_YARN_CROSS_PLATFORM_APPLICATION_CLASSPATH)) { classPathEnv.append(ApplicationConstants.CLASS_PATH_SEPARATOR); classPathEnv.append(c.trim()); } env.put("CLASSPATH", classPathEnv.toString()); LOG.info("Completed setting up the ApplicationManager environment " + env.toString()); // Set the necessary command to execute the application master Vector<CharSequence> vargs = new Vector<CharSequence>(this.args.length + 30); // Set java executable command LOG.info("Setting up app master command"); vargs.add(Environment.JAVA_HOME.$$() + "/bin/java"); // Set Xmx based on am memory size vargs.add("-Xmx" + amMemory + "m"); // propigate the native flag if (isNative) vargs.add("-DX10_YARN_NATIVE=true"); if (upload != null) vargs.add("-D" + ApplicationMaster.X10_YARNUPLOAD + "=" + uploadedFiles.toString()); vargs.add("-D" + ApplicationMaster.X10_YARN_MAIN + "=" + appName); vargs.add("-Dorg.apache.commons.logging.simplelog.showdatetime=true"); // Set class name vargs.add(appMasterMainClass); // add java arguments for (int i = 0; i < mainClassArg; i++) { if (i != classPathArg) // skip the classpath, as it gets reworked vargs.add(args[i]); } // add our own main class wrapper if (!isNative) vargs.add(X10MainRunner.class.getName()); // add remaining application command line arguments for (int i = mainClassArg; i < args.length; i++) vargs.add(args[i]); 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); appContext.setAMContainerSpec(amContainer); // kill the application if the user hits ctrl-c Runtime.getRuntime().addShutdownHook(new Thread(new Runnable() { @Override public void run() { System.out.println(); System.out.println("Exiting..."); forceKillApplication(appId); } })); LOG.info("Submitting application to ASM"); yarnClient.submitApplication(appContext); // Monitor the application monitorApplication(appId); // delete jar files uploaded earlier cleanupLocalResources(fs, appId.toString()); }