List of usage examples for org.apache.hadoop.io DataOutputBuffer DataOutputBuffer
public DataOutputBuffer()
From source file:cn.ac.ncic.mastiff.io.coding.RLEDecoder.java
License:Apache License
@Override public byte[] ensureDecompressed() throws IOException { FlexibleEncoding.ORC.DynamicByteArray dynamicBuffer = new FlexibleEncoding.ORC.DynamicByteArray(); dynamicBuffer.add(inBuf.getData(), 12, inBuf.getLength() - 12); ByteBuffer byteBuf = ByteBuffer.allocate(dynamicBuffer.size()); dynamicBuffer.setByteBuffer(byteBuf, 0, dynamicBuffer.size()); byteBuf.flip();/*from www.j av a 2 s . c o m*/ FlexibleEncoding.ORC.InStream instream = FlexibleEncoding.ORC.InStream.create("test", byteBuf, null, dynamicBuffer.size()); RunLengthIntegerReader rlein = new RunLengthIntegerReader(instream, true); DataOutputBuffer decoding = new DataOutputBuffer(); decoding.writeInt(decompressedSize); decoding.writeInt(numPairs); decoding.writeInt(startPos); for (int i = 1; i < numPairs; i++) { int tmp = (int) rlein.next(); decoding.writeInt(tmp); } byteBuf.clear(); inBuf.close(); return decoding.getData(); }
From source file:cn.ac.ncic.mastiff.io.coding.RunLengthEncodingByteReader.java
License:Apache License
public byte[] CompressensureDecompressed() throws IOException { FlexibleEncoding.ORC.DynamicByteArray dynamicBuffer = new FlexibleEncoding.ORC.DynamicByteArray(); dynamicBuffer.add(inBuf.getData(), 0, inBuf.getLength()); ByteBuffer byteBuf = ByteBuffer.allocate(dynamicBuffer.size()); dynamicBuffer.setByteBuffer(byteBuf, 0, dynamicBuffer.size()); byteBuf.flip();//w w w .j a va 2 s . c om FlexibleEncoding.ORC.InStream instream = FlexibleEncoding.ORC.InStream.create("test", byteBuf, null, dynamicBuffer.size()); RunLengthByteReader rlein = new RunLengthByteReader(instream); DataOutputBuffer decoding = new DataOutputBuffer(); decoding.writeInt(decompressedSize); decoding.writeInt(numPairs); decoding.writeInt(startPos); for (int i = 0; i < numPairs; i++) { byte tmp = rlein.next(); decoding.writeByte(tmp); } byteBuf.clear(); inBuf.close(); return decoding.getData(); }
From source file:cn.ac.ncic.mastiff.io.coding.RunLengthEncodingByteReader.java
License:Apache License
@Override public byte[] ensureDecompressed() throws IOException { // byte[] bytes=inBuf.getData() ; FlexibleEncoding.ORC.DynamicByteArray dynamicBuffer = new FlexibleEncoding.ORC.DynamicByteArray(); dynamicBuffer.add(inBuf.getData(), 12, inBuf.getLength() - 12); ByteBuffer byteBuf = ByteBuffer.allocate(dynamicBuffer.size()); dynamicBuffer.setByteBuffer(byteBuf, 0, dynamicBuffer.size()); byteBuf.flip();/*from w w w .jav a2 s . c o m*/ FlexibleEncoding.ORC.InStream instream = FlexibleEncoding.ORC.InStream.create("test", byteBuf, null, dynamicBuffer.size()); RunLengthByteReader rlein = new RunLengthByteReader(instream); DataOutputBuffer decoding = new DataOutputBuffer(); decoding.writeInt(decompressedSize); decoding.writeInt(numPairs); decoding.writeInt(startPos); for (int i = 0; i < numPairs; i++) { byte tmp = rlein.next(); decoding.writeByte(tmp); } byteBuf.clear(); inBuf.close(); return decoding.getData(); }
From source file:cn.ac.ncic.mastiff.io.coding.RunLengthEncodingIntReader.java
License:Apache License
public byte[] CompressensureDecompressed() throws IOException { FlexibleEncoding.ORC.DynamicByteArray dynamicBuffer = new FlexibleEncoding.ORC.DynamicByteArray(); dynamicBuffer.add(inBuf.getData(), 0, inBuf.getLength()); ByteBuffer byteBuf = ByteBuffer.allocate(dynamicBuffer.size()); dynamicBuffer.setByteBuffer(byteBuf, 0, dynamicBuffer.size()); byteBuf.flip();/*ww w . ja va2 s . c o m*/ FlexibleEncoding.ORC.InStream instream = FlexibleEncoding.ORC.InStream.create("test", byteBuf, null, dynamicBuffer.size()); RunLengthIntegerReader rlein = new RunLengthIntegerReader(instream, true); DataOutputBuffer decoding = new DataOutputBuffer(); // decompressedSize = bb.getInt(); decoding.writeInt(decompressedSize); decoding.writeInt(numPairs); decoding.writeInt(startPos); for (int i = 0; i < numPairs; i++) { int tmp = (int) rlein.next(); decoding.writeInt(tmp); } byteBuf.clear(); inBuf.close(); return decoding.getData(); }
From source file:cn.ac.ncic.mastiff.io.coding.RunLengthEncodingIntReader.java
License:Apache License
@Override public byte[] ensureDecompressed() throws IOException { FlexibleEncoding.ORC.DynamicByteArray dynamicBuffer = new FlexibleEncoding.ORC.DynamicByteArray(); dynamicBuffer.add(inBuf.getData(), 12, inBuf.getLength() - 12); ByteBuffer byteBuf = ByteBuffer.allocate(dynamicBuffer.size()); dynamicBuffer.setByteBuffer(byteBuf, 0, dynamicBuffer.size()); byteBuf.flip();/*from www.j ava 2 s. c om*/ FlexibleEncoding.ORC.InStream instream = FlexibleEncoding.ORC.InStream.create("test", byteBuf, null, dynamicBuffer.size()); RunLengthIntegerReader rlein = new RunLengthIntegerReader(instream, true); DataOutputBuffer decoding = new DataOutputBuffer(); decoding.writeInt(decompressedSize); decoding.writeInt(numPairs); decoding.writeInt(startPos); for (int i = 0; i < numPairs; i++) { int tmp = (int) rlein.next(); decoding.writeInt(tmp); } byteBuf.clear(); inBuf.close(); return decoding.getData(); }
From source file:cn.edu.buaa.act.petuumOnYarn.ApplicationMaster.java
License:Apache License
/** * Main run function for the application master * * @throws YarnException/*from w ww .j a v a2 s. c o m*/ * @throws IOException */ @SuppressWarnings({ "unchecked" }) public void run() throws YarnException, IOException { LOG.info("Starting ApplicationMaster"); // Note: Credentials, Token, UserGroupInformation, DataOutputBuffer // class // are marked as LimitedPrivate Credentials credentials = UserGroupInformation.getCurrentUser().getCredentials(); DataOutputBuffer dob = new DataOutputBuffer(); credentials.writeTokenStorageToStream(dob); // Now remove the AM->RM token so that containers cannot access it. Iterator<Token<?>> iter = credentials.getAllTokens().iterator(); LOG.info("Executing with tokens:"); while (iter.hasNext()) { Token<?> token = iter.next(); LOG.info(token); if (token.getKind().equals(AMRMTokenIdentifier.KIND_NAME)) { iter.remove(); } } allTokens = ByteBuffer.wrap(dob.getData(), 0, dob.getLength()); // Create appSubmitterUgi and add original tokens to it String appSubmitterUserName = System.getenv(ApplicationConstants.Environment.USER.name()); appSubmitterUgi = UserGroupInformation.createRemoteUser(appSubmitterUserName); appSubmitterUgi.addCredentials(credentials); AMRMClientAsync.CallbackHandler allocListener = new RMCallbackHandler(); amRMClient = AMRMClientAsync.createAMRMClientAsync(1000, allocListener); amRMClient.init(conf); amRMClient.start(); containerListener = createNMCallbackHandler(); nmClientAsync = new NMClientAsyncImpl(containerListener); nmClientAsync.init(conf); nmClientAsync.start(); // Setup local RPC Server to accept status requests directly from // clients // TODO need to setup a protocol for client to be able to communicate to // the RPC server // TODO use the rpc port info to register with the RM for the client to // send requests to this app master // Register self with ResourceManager // This will start heartbeating to the RM appMasterHostname = NetUtils.getHostname(); RegisterApplicationMasterResponse response = amRMClient.registerApplicationMaster(appMasterHostname, appMasterRpcPort, appMasterTrackingUrl); // Dump out information about cluster capability as seen by the // resource manager int maxMem = response.getMaximumResourceCapability().getMemory(); LOG.info("Max mem capabililty of resources in this cluster " + maxMem); int maxVCores = response.getMaximumResourceCapability().getVirtualCores(); LOG.info("Max vcores capabililty of resources in this cluster " + maxVCores); // A resource ask cannot exceed the max. if (containerMemory > maxMem) { LOG.info("Container memory specified above max threshold of cluster." + " Using max value." + ", specified=" + containerMemory + ", max=" + maxMem); containerMemory = maxMem; } if (containerVirtualCores > maxVCores) { LOG.info("Container virtual cores specified above max threshold of cluster." + " Using max value." + ", specified=" + containerVirtualCores + ", max=" + maxVCores); containerVirtualCores = maxVCores; } List<Container> previousAMRunningContainers = response.getContainersFromPreviousAttempts(); LOG.info(appAttemptID + " received " + previousAMRunningContainers.size() + " previous attempts' running containers on AM registration."); numAllocatedContainers.addAndGet(previousAMRunningContainers.size()); int numTotalContainersToRequest = numTotalContainers; // Setup ask for containers from RM // Send request for containers to RM // Until we get our fully allocated quota, we keep on polling RM for // containers // Keep looping until all the containers are launched and script // executed on them ( regardless of success/failure). for (int i = 0; i < numTotalContainersToRequest; ++i) { ContainerRequest containerAsk = setupContainerAskForRM(); amRMClient.addContainerRequest(containerAsk); } numRequestedContainers.set(numTotalContainers); }
From source file:cn.edu.buaa.act.petuumOnYarn.Client.java
License:Apache License
/** * Main run function for the client//from w w w .ja v a2 s . co m * * @return true if application completed successfully * @throws IOException * @throws YarnException */ public boolean run() throws IOException, YarnException { LOG.info("Running Client"); yarnClient.start(); String[] s; s = conf.getStrings(YarnConfiguration.RM_ADDRESS); for (String ss : s) LOG.info("RM address: " + ss); 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() + ", nodeIdHost" + node.getNodeId().getHost()); } 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); // 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); YarnUtil.copyAndAddToLocalResources(fs, appMasterJar, petuumHDFSPathPrefix, appMasterJarPath, localResources, null); scriptHDFSPath = YarnUtil.copyToHDFS(fs, scriptPath, petuumHDFSPathPrefix, launchPath, null); // Set the log4j properties if needed if (!log4jPropFile.isEmpty()) { YarnUtil.copyAndAddToLocalResources(fs, log4jPropFile, petuumHDFSPathPrefix, log4jPath, localResources, null); } // 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>(); // 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_nodes " + String.valueOf(numNodes)); vargs.add("--start_port " + String.valueOf(startPort)); vargs.add("--priority " + String.valueOf(workerPriority)); vargs.add("--script_hdfs_path " + scriptHDFSPath); 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 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); // Monitor the application currentTime = System.currentTimeMillis(); LOG.info("submit AM in " + (currentTime - startTime) + "ms"); return monitorApplication(appId); }
From source file:co.cask.tephra.persist.CommitMarkerCodec.java
License:Apache License
public CommitMarkerCodec() { this.rawKey = new DataOutputBuffer(); this.rawValue = new DataOutputBuffer(); }
From source file:com.asakusafw.dmdl.java.emitter.driver.WritableDriverTest.java
License:Apache License
/** * primitives./*from w ww . java 2 s .c om*/ * @throws Exception if test was failed */ @Test public void primitives() throws Exception { ModelLoader loader = generate(); ModelWrapper object = loader.newModel("Primitives"); assertThat(object.unwrap(), instanceOf(Writable.class)); object.set("type_boolean", true); object.set("type_byte", (byte) 64); object.set("type_short", (short) 256); object.set("type_int", 100); object.set("type_long", 200L); object.set("type_float", 300.f); object.set("type_double", 400.d); object.set("type_decimal", new BigDecimal("1234.567")); object.set("type_text", new Text("Hello, world!")); object.set("type_date", new Date(2011, 3, 31)); object.set("type_datetime", new DateTime(2011, 3, 31, 23, 30, 1)); Writable writable = (Writable) object.unwrap(); DataOutputBuffer output = new DataOutputBuffer(); writable.write(output); Writable copy = (Writable) loader.newModel("Primitives").unwrap(); DataInputBuffer input = new DataInputBuffer(); input.reset(output.getData(), output.getLength()); copy.readFields(input); assertThat(input.read(), is(-1)); assertThat(writable, equalTo(copy)); }
From source file:com.asakusafw.dmdl.thundergate.driver.ModelInputDriverTest.java
License:Apache License
/** * input/output simple records./*from w w w . ja v a2 s . c o m*/ * @throws Exception if test was failed */ @SuppressWarnings("unchecked") @Test public void simple_record() throws Exception { ModelLoader loader = generateJava("simple_record"); Class<?> type = loader.modelType("Simple"); assertThat(type.isAnnotationPresent(ModelInputLocation.class), is(true)); assertThat(type.isAnnotationPresent(ModelOutputLocation.class), is(true)); ModelWrapper object = loader.newModel("Simple"); DataOutputBuffer output = new DataOutputBuffer(); try (ModelOutput<Object> modelOut = (ModelOutput<Object>) type.getAnnotation(ModelOutputLocation.class) .value().getDeclaredConstructor(RecordEmitter.class) .newInstance(new TsvEmitter(new OutputStreamWriter(output, "UTF-8")))) { object.set("sid", 1L); object.set("value", new Text("hello")); modelOut.write(object.unwrap()); object.set("sid", 2L); object.set("value", new Text("world")); modelOut.write(object.unwrap()); object.set("sid", 3L); object.set("value", null); modelOut.write(object.unwrap()); } DataInputBuffer input = new DataInputBuffer(); input.reset(output.getData(), output.getLength()); try (ModelInput<Object> modelIn = (ModelInput<Object>) type.getAnnotation(ModelInputLocation.class).value() .getDeclaredConstructor(RecordParser.class) .newInstance(new TsvParser(new InputStreamReader(input, "UTF-8")))) { ModelWrapper copy = loader.newModel("Simple"); modelIn.readTo(copy.unwrap()); assertThat(copy.get("sid"), is((Object) 1L)); assertThat(copy.get("value"), is((Object) new Text("hello"))); modelIn.readTo(copy.unwrap()); assertThat(copy.get("sid"), is((Object) 2L)); assertThat(copy.get("value"), is((Object) new Text("world"))); modelIn.readTo(copy.unwrap()); assertThat(copy.get("sid"), is((Object) 3L)); assertThat(copy.getOption("value").isNull(), is(true)); assertThat(input.read(), is(-1)); } }