List of usage examples for org.apache.hadoop.fs FileSystem getDefaultReplication
@Deprecated public short getDefaultReplication()
From source file:hdfs.HdfsFileWriter.java
License:Apache License
public HdfsFileWriter(FileSystem fileSystem, Path path) throws IOException { LOG.debug("Creating writer on {}", path); this.path = path; Configuration conf = fileSystem.getConf(); // FsServerDefaults fsDefaults = fileSystem.getServerDefaults(path); // //from w ww . ja v a 2s . com // EnumSet<CreateFlag> flags = EnumSet.of(CreateFlag.CREATE, // CreateFlag.OVERWRITE); // if (Boolean.getBoolean(HDFS_SYNC_BLOCK)) { // flags.add(CreateFlag.SYNC_BLOCK); // } // fileSystem.getoutputStream = fileSystem.create( // path, // FsPermission.getDefault().applyUMask(FsPermission.getUMask(conf)), // flags, // fsDefaults.getFileBufferSize(), // fsDefaults.getReplication(), // fsDefaults.getBlockSize(), null); // fileSystem. this.outputStream = fileSystem.create(path, FsPermission.getDefault(), true, 50000, fileSystem.getDefaultReplication(), fileSystem.getDefaultBlockSize(), null); }
From source file:org.apache.bookkeeper.benchmark.TestClient.java
License:Apache License
/** * First says if entries should be written to BookKeeper (0) or to the local * disk (1). Second parameter is an integer defining the length of a ledger entry. * Third parameter is the number of writes. * * @param args/*from ww w . j ava 2 s .c o m*/ */ public static void main(String[] args) throws ParseException { Options options = new Options(); options.addOption("length", true, "Length of packets being written. Default 1024"); options.addOption("target", true, "Target medium to write to. Options are bk, fs & hdfs. Default fs"); options.addOption("runfor", true, "Number of seconds to run for. Default 60"); options.addOption("path", true, "Path to write to. fs & hdfs only. Default /foobar"); options.addOption("zkservers", true, "ZooKeeper servers, comma separated. bk only. Default localhost:2181."); options.addOption("bkensemble", true, "BookKeeper ledger ensemble size. bk only. Default 3"); options.addOption("bkquorum", true, "BookKeeper ledger quorum size. bk only. Default 2"); options.addOption("bkthrottle", true, "BookKeeper throttle size. bk only. Default 10000"); options.addOption("sync", false, "Use synchronous writes with BookKeeper. bk only."); options.addOption("numconcurrent", true, "Number of concurrently clients. Default 1"); options.addOption("timeout", true, "Number of seconds after which to give up"); options.addOption("help", false, "This message"); CommandLineParser parser = new PosixParser(); CommandLine cmd = parser.parse(options, args); if (cmd.hasOption("help")) { HelpFormatter formatter = new HelpFormatter(); formatter.printHelp("TestClient <options>", options); System.exit(-1); } int length = Integer.parseInt(cmd.getOptionValue("length", "1024")); String target = cmd.getOptionValue("target", "fs"); long runfor = Long.parseLong(cmd.getOptionValue("runfor", "60")) * 1000; StringBuilder sb = new StringBuilder(); while (length-- > 0) { sb.append('a'); } Timer timeouter = new Timer(); if (cmd.hasOption("timeout")) { final long timeout = Long.parseLong(cmd.getOptionValue("timeout", "360")) * 1000; timeouter.schedule(new TimerTask() { public void run() { System.err.println("Timing out benchmark after " + timeout + "ms"); System.exit(-1); } }, timeout); } BookKeeper bkc = null; try { int numFiles = Integer.parseInt(cmd.getOptionValue("numconcurrent", "1")); int numThreads = Math.min(numFiles, 1000); byte[] data = sb.toString().getBytes(UTF_8); long runid = System.currentTimeMillis(); List<Callable<Long>> clients = new ArrayList<Callable<Long>>(); if (target.equals("bk")) { String zkservers = cmd.getOptionValue("zkservers", "localhost:2181"); int bkensemble = Integer.parseInt(cmd.getOptionValue("bkensemble", "3")); int bkquorum = Integer.parseInt(cmd.getOptionValue("bkquorum", "2")); int bkthrottle = Integer.parseInt(cmd.getOptionValue("bkthrottle", "10000")); ClientConfiguration conf = new ClientConfiguration(); conf.setThrottleValue(bkthrottle); conf.setZkServers(zkservers); bkc = new BookKeeper(conf); List<LedgerHandle> handles = new ArrayList<LedgerHandle>(); for (int i = 0; i < numFiles; i++) { handles.add(bkc.createLedger(bkensemble, bkquorum, DigestType.CRC32, new byte[] { 'a', 'b' })); } for (int i = 0; i < numFiles; i++) { clients.add(new BKClient(handles, data, runfor, cmd.hasOption("sync"))); } } else if (target.equals("hdfs")) { FileSystem fs = FileSystem.get(new Configuration()); LOG.info("Default replication for HDFS: {}", fs.getDefaultReplication()); List<FSDataOutputStream> streams = new ArrayList<FSDataOutputStream>(); for (int i = 0; i < numFiles; i++) { String path = cmd.getOptionValue("path", "/foobar"); streams.add(fs.create(new Path(path + runid + "_" + i))); } for (int i = 0; i < numThreads; i++) { clients.add(new HDFSClient(streams, data, runfor)); } } else if (target.equals("fs")) { List<FileOutputStream> streams = new ArrayList<FileOutputStream>(); for (int i = 0; i < numFiles; i++) { String path = cmd.getOptionValue("path", "/foobar " + i); streams.add(new FileOutputStream(path + runid + "_" + i)); } for (int i = 0; i < numThreads; i++) { clients.add(new FileClient(streams, data, runfor)); } } else { LOG.error("Unknown option: " + target); throw new IllegalArgumentException("Unknown target " + target); } ExecutorService executor = Executors.newFixedThreadPool(numThreads); long start = System.currentTimeMillis(); List<Future<Long>> results = executor.invokeAll(clients, 10, TimeUnit.MINUTES); long end = System.currentTimeMillis(); long count = 0; for (Future<Long> r : results) { if (!r.isDone()) { LOG.warn("Job didn't complete"); System.exit(2); } long c = r.get(); if (c == 0) { LOG.warn("Task didn't complete"); } count += c; } long time = end - start; LOG.info("Finished processing writes (ms): {} TPT: {} op/s", time, count / ((double) time / 1000)); executor.shutdown(); } catch (ExecutionException ee) { LOG.error("Exception in worker", ee); } catch (KeeperException ke) { LOG.error("Error accessing zookeeper", ke); } catch (BKException e) { LOG.error("Error accessing bookkeeper", e); } catch (IOException ioe) { LOG.error("I/O exception during benchmark", ioe); } catch (InterruptedException ie) { LOG.error("Benchmark interrupted", ie); } finally { if (bkc != null) { try { bkc.close(); } catch (BKException bke) { LOG.error("Error closing bookkeeper client", bke); } catch (InterruptedException ie) { LOG.warn("Interrupted closing bookkeeper client", ie); } } } timeouter.cancel(); }