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public static <T> T callConstructor(Class<T> klass) { return callConstructor(klass, new Class<?>[0], new Object[0]); }
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public static <T> T callConstructor(Class<T> klass, Object[] args) { Class<?>[] klasses = new Class[args.length]; for(int i = 0; i < args.length; i++) klasses[i] = args[i].getClass(); return callConstructor(klass, klasses, args); }
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public static <T> Object callMethod(Object obj, Class<T> c, String name, Class<?>[] classes, Object[] args) { try { Method m = getMethod(c, ...
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public static <T> Method getMethod(Class<T> c, String name, Class<?>... argTypes) { try { return c.getMethod(name, argTypes); } catch(NoSuchMethodException e) { throw new IllegalArgumentException(e); } }
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public static List<Versioned<byte[]>> pruneNonReplicaEntries(List<Versioned<byte[]>> vals, List<Integer> keyReplicas, MutableBoolean didPrune) { List<Versioned<byte[]>> prunedVals = ...
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public byte[] toBytes(T object) { try { ByteArrayOutputStream stream = new ByteArrayOutputStream(); ObjectOutputStream out = new ObjectOutputStream(stream); out.writeObject(object); return stream.toByteArray(); } catch(IOException e) { throw ne...
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@SuppressWarnings("unchecked") public T toObject(byte[] bytes) { try { return (T) new ObjectInputStream(new ByteArrayInputStream(bytes)).readObject(); } catch(IOException e) { throw new SerializationException(e); } catch(ClassNotFoundException c) { throw n...
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@Override public boolean isCompleteRequest(final ByteBuffer buffer) throws VoldemortException { DataInputStream inputStream = new DataInputStream(new ByteBufferBackedInputStream(buffer)); try { byte opCode = inputStream.readByte(); // Store Name inputStream.read...
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@Override synchronized public V put(K key, V value) { V oldValue = this.get(key); try { super.put(key, value); writeBack(key, value); return oldValue; } catch(Exception e) { super.put(key, oldValue); writeBack(key, oldValue); ...
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public void update(int number) { byte[] numberInBytes = new byte[ByteUtils.SIZE_OF_INT]; ByteUtils.writeInt(numberInBytes, number, 0); update(numberInBytes); }
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public void update(short number) { byte[] numberInBytes = new byte[ByteUtils.SIZE_OF_SHORT]; ByteUtils.writeShort(numberInBytes, number, 0); update(numberInBytes); }
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public synchronized boolean tryDelegateSlop(Node node) { if(asyncCallbackShouldSendhint) { return false; } else { slopDestinations.put(node, true); return true; } }
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public synchronized boolean tryDelegateResponseHandling(Response<ByteArray, Object> response) { if(responseHandlingCutoff) { return false; } else { responseQueue.offer(response); this.notifyAll(); return true; } }
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public synchronized Response<ByteArray, Object> responseQueuePoll(long timeout, TimeUnit timeUnit) throws InterruptedException { long timeoutMs = timeUnit.toMillis(timeout); long timeoutWallClockMs = System.currentTimeMill...
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private void setProperties(Properties properties) { Props props = new Props(properties); if(props.containsKey(ClientConfig.ENABLE_JMX_PROPERTY)) { this.setEnableJmx(props.getBoolean(ClientConfig.ENABLE_JMX_PROPERTY)); } if(props.containsKey(ClientConfig.BOOTSTRAP_URLS_PROPER...
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private void setProperties(Properties properties) { Props props = new Props(properties); if(props.containsKey(BOOTSTRAP_URLS_PROPERTY)) { setBootstrapURLs(props.getList(BOOTSTRAP_URLS_PROPERTY)); } if(props.containsKey(FAT_CLIENTS_CONFIG_SOURCE)) { setFatClientCo...
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public CoordinatorConfig setBootstrapURLs(List<String> bootstrapUrls) { this.bootstrapURLs = Utils.notNull(bootstrapUrls); if(this.bootstrapURLs.size() <= 0) throw new IllegalArgumentException("Must provide at least one bootstrap URL."); return this; }
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private void sendOneAsyncHint(final ByteArray slopKey, final Versioned<byte[]> slopVersioned, final List<Node> nodesToTry) { Node nodeToHostHint = null; boolean foundNode = false; while(nodesToTry.size() > 0) { nodeT...
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public Iterable<V> sorted(Iterator<V> input) { ExecutorService executor = new ThreadPoolExecutor(this.numThreads, this.numThreads, 1000L, ...
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private void processResponse(Response<ByteArray, Object> response, Pipeline pipeline) { if(response == null) { logger.warn("RoutingTimedout on waiting for async ops; parallelResponseToWait: " + numNodesPendingResponse + "; preferred-1: " + (preferred - 1) ...
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private boolean isZonesSatisfied() { boolean zonesSatisfied = false; if(pipelineData.getZonesRequired() == null) { zonesSatisfied = true; } else { int numZonesSatisfied = pipelineData.getZoneResponses().size(); if(numZonesSatisfied >= (pipelineData.getZonesReq...
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public ClientConfig setIdleConnectionTimeout(long idleConnectionTimeout, TimeUnit unit) { if (idleConnectionTimeout <= 0) { this.idleConnectionTimeoutMs = -1; } else { if(unit.toMinutes(idleConnectionTimeout) < 10) { throw new IllegalArgumentException("idleConnect...
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@Deprecated public ClientConfig setNodeBannagePeriod(int nodeBannagePeriod, TimeUnit unit) { this.failureDetectorBannagePeriod = unit.toMillis(nodeBannagePeriod); return this; }
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@Deprecated public ClientConfig setThreadIdleTime(long threadIdleTime, TimeUnit unit) { this.threadIdleMs = unit.toMillis(threadIdleTime); return this; }
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@Override public void close(SocketDestination destination) { factory.setLastClosedTimestamp(destination); queuedPool.reset(destination); }
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@Override public void close() { // unregister MBeans if(stats != null) { try { if(this.jmxEnabled) JmxUtils.unregisterMbean(getAggregateMetricName()); } catch(Exception e) {} stats.close(); } factory.close(); ...
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public static String readFileContents(FileSystem fs, Path path, int bufferSize) throws IOException { if(bufferSize <= 0) return new String(); FSDataInputStream input = fs.open(path); byte[] buffer = new byte[bufferSize]; ByteArrayOutputStream stream = new ByteAr...
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public static FileStatus[] getDataChunkFiles(FileSystem fs, Path path, final int partitionId, final int replicaType) throws IOException { return fs.listStatus(path, ...
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private boolean isSatisfied() { if(pipelineData.getZonesRequired() != null) { return ((pipelineData.getSuccesses() >= required) && (pipelineData.getZoneResponses() .size() >= (pipelineData.getZonesRequired() + 1))); ...
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public int getCrossZonePartitionStoreMoves() { int xzonePartitionStoreMoves = 0; for (RebalanceTaskInfo info : batchPlan) { Node donorNode = finalCluster.getNodeById(info.getDonorId()); Node stealerNode = finalCluster.getNodeById(info.getStealerId()); if(donorNode.ge...
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protected int getDonorId(StoreRoutingPlan currentSRP, StoreRoutingPlan finalSRP, int stealerZoneId, int stealerNodeId, int stealerPartitionId) { int stealerZoneNAry = finalSRP.getZoneNaryForNodesP...
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protected void handleExceptions(MessageEvent messageEvent, Exception exception) { logger.error("Unknown exception. Internal Server Error.", exception); writeErrorResponse(messageEvent, HttpResponseStatus.INTERNAL_SERVER_ERROR, "Internal Server Error"...
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public static void writeErrorResponse(MessageEvent messageEvent, HttpResponseStatus status, String message) { // Create the Response object HttpResponse response = new DefaultHttpResponse(HTTP_1_1, status); resp...
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@Override public boolean parseAndValidateRequest() { boolean result = false; if(!super.parseAndValidateRequest() || !hasVectorClock(this.isVectorClockOptional) || !hasContentLength() || !hasContentType()) { result = false; } else { result = true; } ...
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protected boolean hasContentLength() { boolean result = false; String contentLength = this.request.getHeader(RestMessageHeaders.CONTENT_LENGTH); if(contentLength != null) { try { Long.parseLong(contentLength); result = true; } catch(NumberF...
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protected boolean hasContentType() { boolean result = false; if(this.request.getHeader(RestMessageHeaders.CONTENT_TYPE) != null) { result = true; } else { logger.error("Error when validating put request. Missing Content-Type header."); RestErrorHandler.writeE...
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private void parseValue() { ChannelBuffer content = this.request.getContent(); this.parsedValue = new byte[content.capacity()]; content.readBytes(parsedValue); }
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private void handleIOException(IOException e, String action, int attempt) throws VoldemortException, InterruptedException { if ( // any of the following happens, we need to bubble up // FileSystem instance got closed, somehow e.getMessage().contains("Filesystem closed...
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private boolean setAvailable(NodeStatus nodeStatus, boolean isAvailable) { synchronized(nodeStatus) { boolean previous = nodeStatus.isAvailable(); nodeStatus.setAvailable(isAvailable); nodeStatus.setLastChecked(getConfig().getTime().getMilliseconds()); return pr...
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public static void acceptsDir(OptionParser parser) { parser.acceptsAll(Arrays.asList(OPT_D, OPT_DIR), "directory path for input/output") .withRequiredArg() .describedAs("dir-path") .ofType(String.class); }
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public static void acceptsFile(OptionParser parser) { parser.acceptsAll(Arrays.asList(OPT_F, OPT_FILE), "file path for input/output") .withRequiredArg() .describedAs("file-path") .ofType(String.class); }
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public static void acceptsFormat(OptionParser parser) { parser.accepts(OPT_FORMAT, "format of key or entry, could be hex, json or binary") .withRequiredArg() .describedAs("hex | json | binary") .ofType(String.class); }
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public static void acceptsNodeSingle(OptionParser parser) { parser.acceptsAll(Arrays.asList(OPT_N, OPT_NODE), "node id") .withRequiredArg() .describedAs("node-id") .ofType(Integer.class); }
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public static void acceptsUrl(OptionParser parser) { parser.acceptsAll(Arrays.asList(OPT_U, OPT_URL), "bootstrap url") .withRequiredArg() .describedAs("url") .ofType(String.class); }
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public static void acceptsZone(OptionParser parser) { parser.acceptsAll(Arrays.asList(OPT_Z, OPT_ZONE), "zone id") .withRequiredArg() .describedAs("zone-id") .ofType(Integer.class); }
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public static void acceptsHex(OptionParser parser) { parser.acceptsAll(Arrays.asList(OPT_X, OPT_HEX), "fetch key/entry by key value of hex type") .withRequiredArg() .describedAs("key-list") .withValuesSeparatedBy(',') .ofType(String.class); }
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public static void acceptsJson(OptionParser parser) { parser.acceptsAll(Arrays.asList(OPT_J, OPT_JSON), "fetch key/entry by key value of json type") .withRequiredArg() .describedAs("key-list") .withValuesSeparatedBy(',') .ofType(S...
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public static void acceptsNodeMultiple(OptionParser parser) { parser.acceptsAll(Arrays.asList(OPT_N, OPT_NODE), "node id list") .withRequiredArg() .describedAs("node-id-list") .withValuesSeparatedBy(',') .ofType(Integer.class); }
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public static void acceptsPartition(OptionParser parser) { parser.acceptsAll(Arrays.asList(OPT_P, OPT_PARTITION), "partition id list") .withRequiredArg() .describedAs("partition-id-list") .withValuesSeparatedBy(',') .ofType(Integer.class); }
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public static void checkRequired(OptionSet options, String opt) throws VoldemortException { List<String> opts = Lists.newArrayList(); opts.add(opt); checkRequired(options, opts); }
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public static void checkRequired(OptionSet options, String opt1, String opt2) throws VoldemortException { List<String> opts = Lists.newArrayList(); opts.add(opt1); opts.add(opt2); checkRequired(options, opts); }
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public static void checkRequired(OptionSet options, List<String> opts) throws VoldemortException { List<String> optCopy = Lists.newArrayList(); for(String opt: opts) { if(options.has(opt)) { optCopy.add(opt); } } if(optCopy.size() < 1) ...
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@Override protected void registerRequest(RestRequestValidator requestValidator, ChannelHandlerContext ctx, MessageEvent messageEvent) { // At this point we know the request is valid and we have a // error handler. So we construct...
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@Override public void handleExceptions(MessageEvent messageEvent, Exception exception) { if(exception instanceof InvalidMetadataException) { logger.error("Exception when deleting. The requested key does not exist in this partition", exception); writeErrorRes...
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public void recordPutTimeAndSize(long timeNS, long valueSize, long keySize) { recordTime(Tracked.PUT, timeNS, 0, valueSize, keySize, 0); }
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public void recordGetAllTime(long timeNS, int requested, int returned, long totalValueBytes, long totalKeyBytes) { recordTime(Tracked.GET_ALL, timeNS, ...
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private void recordTime(Tracked op, long timeNS, long numEmptyResponses, long valueSize, long keySize, long getAllAggregateRequests) { counters.get(op).addRequest(timeNS, ...
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public static List<String> getCommaSeparatedStringValues(String paramValue, String type) { List<String> commaSeparatedProps = Lists.newArrayList(); for(String url: Utils.COMMA_SEP.split(paramValue.trim())) if(url.trim().length() > 0) commaSeparatedProps.add(url); if(...
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private synchronized void initializeFatClient(String storeName, Properties storeClientProps) { // updates the coordinator metadata with recent stores and cluster xml updateCoordinatorMetadataWithLatestState(); logger.info("Creating a Fat client for store: " + storeName); SocketStoreClie...
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synchronized public void completeTask(int taskId, int partitionStoresMigrated) { tasksInFlight.remove(taskId); numTasksCompleted++; numPartitionStoresMigrated += partitionStoresMigrated; updateProgressBar(); }
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synchronized public String getPrettyProgressBar() { StringBuilder sb = new StringBuilder(); double taskRate = numTasksCompleted / (double) totalTaskCount; double partitionStoreRate = numPartitionStoresMigrated / (double) totalPartitionStoreCount; long deltaTimeMs = System.currentTimeMi...
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protected void progressInfoMessage(final String tag) { if(logger.isInfoEnabled()) { long totalTimeS = (System.currentTimeMillis() - startTimeMs) / Time.MS_PER_SECOND; logger.info(tag + " : scanned " + scanned + " and fetched " + fetched + " for store '" + storage...
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protected void sendMessage(DataOutputStream outputStream, Message message) throws IOException { long startNs = System.nanoTime(); ProtoUtils.writeMessage(outputStream, message); if(streamStats != null) { streamStats.reportNetworkTime(operation, ...
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protected void reportStorageOpTime(long startNs) { if(streamStats != null) { streamStats.reportStreamingScan(operation); streamStats.reportStorageTime(operation, Utils.elapsedTimeNs(startNs, System.nanoTime())); } }
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public void awaitStartupCompletion() { try { Object obj = startedStatusQueue.take(); if(obj instanceof Throwable) throw new VoldemortException((Throwable) obj); } catch(InterruptedException e) { // this is okay, if we are interrupted we can stop waitin...
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protected synchronized void streamingSlopPut(ByteArray key, Versioned<byte[]> value, String storeName, int failedNodeId) throws IOException { Slop slop = new Slop(s...
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@SuppressWarnings("rawtypes") private void synchronousInvokeCallback(Callable call) { Future future = streamingSlopResults.submit(call); try { future.get(); } catch(InterruptedException e1) { logger.error("Callback failed", e1); throw new VoldemortExce...
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protected void handleResponse(int responseCode, InputStream inputStream) { BufferedReader rd = null; try { // Buffer the result into a string rd = new BufferedReader(new InputStreamReader(inputStream)); StringBuilder sb = new StringBuilder(); String line; ...
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@SuppressWarnings({ "unchecked", "rawtypes" }) protected void addStoreToSession(String store) { Exception initializationException = null; storeNames.add(store); for(Node node: nodesToStream) { SocketDestination destination = null; SocketAndStreams sands = null; ...
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@SuppressWarnings({}) public synchronized void removeStoreFromSession(List<String> storeNameToRemove) { logger.info("closing the Streaming session for a few stores"); commitToVoldemort(storeNameToRemove); cleanupSessions(storeNameToRemove); }
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@SuppressWarnings({ "rawtypes", "unchecked" }) public void blacklistNode(int nodeId) { Collection<Node> nodesInCluster = adminClient.getAdminClientCluster().getNodes(); if(blackListedNodes == null) { blackListedNodes = new ArrayList(); } blackListedNodes.add(nodeId); ...
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@SuppressWarnings({ "unchecked", "rawtypes", "unused" }) private void commitToVoldemort(List<String> storeNamesToCommit) { if(logger.isDebugEnabled()) { logger.debug("Trying to commit to Voldemort"); } boolean hasError = false; if(nodesToStream == null || nodesToStream....
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@SuppressWarnings({ "rawtypes", "unchecked" }) private void cleanupSessions(List<String> storeNamesToCleanUp) { logger.info("Performing cleanup"); for(String store: storeNamesToCleanUp) { for(Node node: nodesToStream) { try { SocketAndStreams sands =...
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private static List<Integer> stripNodeIds(List<Node> nodeList) { List<Integer> nodeidList = new ArrayList<Integer>(); if(nodeList != null) { for(Node node: nodeList) { nodeidList.add(node.getId()); } } return nodeidList; }
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private static List<Node> difference(List<Node> listA, List<Node> listB) { if(listA != null && listB != null) listA.removeAll(listB); return listA; }
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public static void main(String[] args) { if(args.length != 2) { System.out.println("Usage: SchemaEvolutionValidator pathToOldSchema pathToNewSchema"); return; } Schema oldSchema; Schema newSchema; try { oldSchema = Schema.parse(new File(args[...
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public static void validateAllAvroSchemas(SerializerDefinition avroSerDef) { Map<Integer, String> schemaVersions = avroSerDef.getAllSchemaInfoVersions(); if(schemaVersions.size() < 1) { throw new VoldemortException("No schema specified"); } for(Map.Entry<Integer, String> entr...
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public int getPartition(byte[] key, byte[] value, int numReduceTasks) { try { /** * {@link partitionId} is the Voldemort primary partition that this * record belongs to. */ int partitionId = By...
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@NotThreadsafe private void initFileStreams(int chunkId) { /** * {@link Set#add(Object)} returns false if the element already existed in the set. * This ensures we initialize the resources for each chunk only once. */ if (chunksHandled.add(chunkId)) { try { ...
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@Override public boolean parseAndValidateRequest() { if(!super.parseAndValidateRequest()) { return false; } isGetVersionRequest = hasGetVersionRequestHeader(); if(isGetVersionRequest && this.parsedKeys.size() > 1) { RestErrorHandler.writeErrorResponse(messageE...
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public static Map<String, String> getMetadataFromSequenceFile(FileSystem fs, Path path) { try { Configuration conf = new Configuration(); conf.setInt("io.file.buffer.size", 4096); SequenceFile.Reader reader = new SequenceFile.Reader(fs, path, new Configuration()); ...
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private void recordBackupSet(File backupDir) throws IOException { String[] filesInEnv = env.getHome().list(); SimpleDateFormat format = new SimpleDateFormat("yyyy_MM_dd_kk_mm_ss"); String recordFileName = "backupset-" + format.format(new Date()); File recordFile = new File(backupDir, rec...
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private void cleanStaleFiles(File backupDir, AsyncOperationStatus status) { String[] filesInEnv = env.getHome().list(); String[] filesInBackupDir = backupDir.list(); if(filesInEnv != null && filesInBackupDir != null) { HashSet<String> envFileSet = new HashSet<String>(); f...
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private void verifiedCopyFile(File sourceFile, File destFile) throws IOException { if(!destFile.exists()) { destFile.createNewFile(); } FileInputStream source = null; FileOutputStream destination = null; LogVerificationInputStream verifyStream = null; try { ...
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@Override public List<Integer> getReplicatingPartitionList(int index) { List<Node> preferenceNodesList = new ArrayList<Node>(getNumReplicas()); List<Integer> replicationPartitionsList = new ArrayList<Integer>(getNumReplicas()); // Copy Zone based Replication Factor HashMap<Integer, ...
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private boolean checkZoneRequirement(HashMap<Integer, Integer> requiredRepFactor, int zoneId) { if(requiredRepFactor.containsKey(zoneId)) { if(requiredRepFactor.get(zoneId) == 0) { return false; } else { requiredRepFactor.put(zoneId, requiredRepFactor.get(...
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public static void acceptsUrlMultiple(OptionParser parser) { parser.acceptsAll(Arrays.asList(OPT_U, OPT_URL), "coordinator bootstrap urls") .withRequiredArg() .describedAs("url-list") .withValuesSeparatedBy(',') .ofType(String.class); }
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public static String[] copyArrayCutFirst(String[] arr) { if(arr.length > 1) { String[] arrCopy = new String[arr.length - 1]; System.arraycopy(arr, 1, arrCopy, 0, arrCopy.length); return arrCopy; } else { return new String[0]; } }
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public static String[] copyArrayAddFirst(String[] arr, String add) { String[] arrCopy = new String[arr.length + 1]; arrCopy[0] = add; System.arraycopy(arr, 0, arrCopy, 1, arr.length); return arrCopy; }
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@SuppressWarnings("unchecked") public void put(String key, Versioned<Object> value) { // acquire write lock writeLock.lock(); try { if(this.storeNames.contains(key) || key.equals(STORES_KEY)) { // Check for backwards compatibility List<StoreDefin...
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@SuppressWarnings("unchecked") public void updateStoreDefinitions(Versioned<byte[]> valueBytes) { // acquire write lock writeLock.lock(); try { Versioned<String> value = new Versioned<String>(ByteUtils.getString(valueBytes.getValue(), ...
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@Override public void put(ByteArray keyBytes, Versioned<byte[]> valueBytes, byte[] transforms) throws VoldemortException { // acquire write lock writeLock.lock(); try { String key = ByteUtils.getString(keyBytes.get(), "UTF-8"); Versioned<String> value = ne...
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private HashMap<String, StoreDefinition> makeStoreDefinitionMap(List<StoreDefinition> storeDefs) { HashMap<String, StoreDefinition> storeDefMap = new HashMap<String, StoreDefinition>(); for(StoreDefinition storeDef: storeDefs) storeDefMap.put(storeDef.getName(), storeDef); return sto...
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private void updateRoutingStrategies(Cluster cluster, List<StoreDefinition> storeDefs) { // acquire write lock writeLock.lock(); try { VectorClock clock = new VectorClock(); if(metadataCache.containsKey(ROUTING_STRATEGY_KEY)) clock = (VectorClock) metadata...
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public void addRebalancingState(final RebalanceTaskInfo stealInfo) { // acquire write lock writeLock.lock(); try { // Move into rebalancing state if(ByteUtils.getString(get(SERVER_STATE_KEY, null).get(0).getValue(), "UTF-8") .compareTo(VoldemortSta...
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public void deleteRebalancingState(RebalanceTaskInfo stealInfo) { // acquire write lock writeLock.lock(); try { RebalancerState rebalancerState = getRebalancerState(); if(!rebalancerState.remove(stealInfo)) throw new IllegalArgumentException("Couldn't fin...
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public void setOfflineState(boolean setToOffline) { // acquire write lock writeLock.lock(); try { String currentState = ByteUtils.getString(get(SERVER_STATE_KEY, null).get(0).getValue(), "UTF-8"); if(setToOffline) { ...
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public void addStoreDefinition(StoreDefinition storeDef) { // acquire write lock writeLock.lock(); try { // Check if store already exists if(this.storeNames.contains(storeDef.getName())) { throw new VoldemortException("Store already exists !"); ...
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public void deleteStoreDefinition(String storeName) { // acquire write lock writeLock.lock(); try { // Check if store exists if(!this.storeNames.contains(storeName)) { throw new VoldemortException("Requested store to be deleted does not exist !"); ...
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public boolean isValidStore(String name) { readLock.lock(); try { if(this.storeNames.contains(name)) { return true; } return false; } finally { readLock.unlock(); } }
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