コード例 #1
0
ファイル: MDCCClient.java プロジェクト: vaibhavarora/mdcc
 public void run() {
   int baseKey = (index * keyCount) % keys.size();
   for (int i = 0; i < requests; i++) {
     int keyIndex = (baseKey + (i % keyCount)) % keys.size();
     String key = keys.get(keyIndex);
     Transaction txn = fac.create();
     long start = System.currentTimeMillis();
     try {
       txn.begin();
       byte[] value = txn.read(key);
       txn.commit();
       timeElapsed += System.currentTimeMillis() - start;
       if (!silent.get()) {
         System.out.println("[Thread-" + index + "] " + key + ": " + new String(value));
       }
       success++;
     } catch (Exception e) {
       timeElapsed += System.currentTimeMillis() - start;
       if (!silent.get()) {
         System.out.println("[Thread-" + index + "] Error: " + e.getMessage());
       }
       failure++;
     }
   }
 }
コード例 #2
0
  public static void main(String args[]) throws IOException {
    LoaderOptions options = LoaderOptions.parseArgs(args);
    try {
      SSTableLoader loader =
          new SSTableLoader(options.directory, new ExternalClient(options), options);
      SSTableLoader.LoaderFuture future = loader.stream(options.ignores);

      if (options.noProgress) {
        future.get();
      } else {
        ProgressIndicator indicator = new ProgressIndicator(future.getPendingFiles());
        indicator.start();
        System.out.println("");
        while (!future.isDone()) {
          if (indicator.printProgress()) {
            // We're done with streaming
            System.out.println("\nWaiting for targets to rebuild indexes ...");
            future.get();
            assert future.isDone();
          } else {
            try {
              Thread.sleep(1000L);
            } catch (Exception e) {
            }
          }
        }
      }

      System.exit(0); // We need that to stop non daemonized threads
    } catch (Exception e) {
      System.err.println(e.getMessage());
      if (options.debug) e.printStackTrace(System.err);
      System.exit(1);
    }
  }
コード例 #3
0
ファイル: LibSVMExporter.java プロジェクト: mkoniari/CERMINE
  public static void toLibSVM(List<TrainingSample<BxZoneLabel>> trainingElements, String filePath)
      throws IOException {
    BufferedWriter svmDataFile = null;
    try {
      FileWriter fstream = new FileWriter(filePath);
      svmDataFile = new BufferedWriter(fstream);
      for (TrainingSample<BxZoneLabel> elem : trainingElements) {
        if (elem.getLabel() == null) {
          continue;
        }
        svmDataFile.write(String.valueOf(elem.getLabel().ordinal()));
        svmDataFile.write(" ");

        Integer featureCounter = 1;
        for (Double value : elem.getFeatureVector().getValues()) {
          StringBuilder sb = new StringBuilder();
          Formatter formatter = new Formatter(sb, Locale.US);
          formatter.format("%d:%.5f", featureCounter++, value);
          svmDataFile.write(sb.toString());
          svmDataFile.write(" ");
        }
        svmDataFile.write("\n");
      }
      svmDataFile.close();
    } catch (Exception e) {
      System.err.println("Error: " + e.getMessage());
      return;
    } finally {
      if (svmDataFile != null) {
        svmDataFile.close();
      }
    }

    System.out.println("Done.");
  }
コード例 #4
0
ファイル: Installer.java プロジェクト: suever/CTP
 // Take a tree of files starting in a directory in a zip file
 // and copy them to a disk directory, recreating the tree.
 private int unpackZipFile(
     File inZipFile, String directory, String parent, boolean suppressFirstPathElement) {
   int count = 0;
   if (!inZipFile.exists()) return count;
   parent = parent.trim();
   if (!parent.endsWith(File.separator)) parent += File.separator;
   if (!directory.endsWith(File.separator)) directory += File.separator;
   File outFile = null;
   try {
     ZipFile zipFile = new ZipFile(inZipFile);
     Enumeration zipEntries = zipFile.entries();
     while (zipEntries.hasMoreElements()) {
       ZipEntry entry = (ZipEntry) zipEntries.nextElement();
       String name = entry.getName().replace('/', File.separatorChar);
       if (name.startsWith(directory)) {
         if (suppressFirstPathElement) name = name.substring(directory.length());
         outFile = new File(parent + name);
         // Create the directory, just in case
         if (name.indexOf(File.separatorChar) >= 0) {
           String p = name.substring(0, name.lastIndexOf(File.separatorChar) + 1);
           File dirFile = new File(parent + p);
           dirFile.mkdirs();
         }
         if (!entry.isDirectory()) {
           System.out.println("Installing " + outFile);
           // Copy the file
           BufferedOutputStream out = new BufferedOutputStream(new FileOutputStream(outFile));
           BufferedInputStream in = new BufferedInputStream(zipFile.getInputStream(entry));
           int size = 1024;
           int n = 0;
           byte[] b = new byte[size];
           while ((n = in.read(b, 0, size)) != -1) out.write(b, 0, n);
           in.close();
           out.flush();
           out.close();
           // Count the file
           count++;
         }
       }
     }
     zipFile.close();
   } catch (Exception e) {
     System.err.println("...an error occured while installing " + outFile);
     e.printStackTrace();
     System.err.println("Error copying " + outFile.getName() + "\n" + e.getMessage());
     return -count;
   }
   System.out.println(count + " files were installed.");
   return count;
 }
コード例 #5
0
ファイル: Installer.java プロジェクト: suever/CTP
 private boolean startLauncher(File dir) {
   try {
     Runtime rt = Runtime.getRuntime();
     ArrayList<String> command = new ArrayList<String>();
     command.add("java");
     command.add("-jar");
     command.add("Launcher.jar");
     String[] cmdarray = command.toArray(new String[command.size()]);
     Process proc = rt.exec(cmdarray, null, dir);
     return true;
   } catch (Exception ex) {
     System.err.println("Unable to start the Launcher program.\n" + ex.getMessage());
     return false;
   }
 }
コード例 #6
0
  public static void main(String args[]) {
    Config.setClientMode(true);
    LoaderOptions options = LoaderOptions.parseArgs(args);
    OutputHandler handler = new OutputHandler.SystemOutput(options.verbose, options.debug);
    SSTableLoader loader =
        new SSTableLoader(
            options.directory,
            new ExternalClient(
                options.hosts,
                options.rpcPort,
                options.user,
                options.passwd,
                options.transportFactory,
                options.storagePort,
                options.sslStoragePort,
                options.serverEncOptions),
            handler);
    DatabaseDescriptor.setStreamThroughputOutboundMegabitsPerSec(options.throttle);
    StreamResultFuture future = null;
    try {
      if (options.noProgress) future = loader.stream(options.ignores);
      else future = loader.stream(options.ignores, new ProgressIndicator());
    } catch (Exception e) {
      System.err.println(e.getMessage());
      if (e.getCause() != null) System.err.println(e.getCause());
      if (options.debug) e.printStackTrace(System.err);
      else System.err.println("Run with --debug to get full stack trace or --help to get help.");
      System.exit(1);
    }

    handler.output(String.format("Streaming session ID: %s", future.planId));

    try {
      future.get();
      System.exit(0); // We need that to stop non daemonized threads
    } catch (Exception e) {
      System.err.println("Streaming to the following hosts failed:");
      System.err.println(loader.getFailedHosts());
      System.err.println(e);
      if (options.debug) e.printStackTrace(System.err);
      System.exit(1);
    }
  }
コード例 #7
0
  public static void main(String args[]) throws IOException {
    Options options = Options.parseArgs(args);
    try {
      // load keyspace descriptions.
      DatabaseDescriptor.loadSchemas();

      String ksName = null;
      String cfName = null;
      Map<Descriptor, Set<Component>> parsedFilenames = new HashMap<Descriptor, Set<Component>>();
      for (String filename : options.filenames) {
        File file = new File(filename);
        if (!file.exists()) {
          System.out.println("Skipping inexisting file " + file);
          continue;
        }

        Pair<Descriptor, Component> pair =
            SSTable.tryComponentFromFilename(file.getParentFile(), file.getName());
        if (pair == null) {
          System.out.println("Skipping non sstable file " + file);
          continue;
        }
        Descriptor desc = pair.left;

        if (ksName == null) ksName = desc.ksname;
        else if (!ksName.equals(desc.ksname))
          throw new IllegalArgumentException("All sstables must be part of the same keyspace");

        if (cfName == null) cfName = desc.cfname;
        else if (!cfName.equals(desc.cfname))
          throw new IllegalArgumentException("All sstables must be part of the same column family");

        Set<Component> components =
            new HashSet<Component>(
                Arrays.asList(
                    new Component[] {
                      Component.DATA,
                      Component.PRIMARY_INDEX,
                      Component.FILTER,
                      Component.COMPRESSION_INFO,
                      Component.STATS
                    }));

        Iterator<Component> iter = components.iterator();
        while (iter.hasNext()) {
          Component component = iter.next();
          if (!(new File(desc.filenameFor(component)).exists())) iter.remove();
        }
        parsedFilenames.put(desc, components);
      }

      if (ksName == null || cfName == null) {
        System.err.println("No valid sstables to split");
        System.exit(1);
      }

      // Do not load sstables since they might be broken
      Table table = Table.openWithoutSSTables(ksName);
      ColumnFamilyStore cfs = table.getColumnFamilyStore(cfName);

      String snapshotName = "pre-split-" + System.currentTimeMillis();

      List<SSTableReader> sstables = new ArrayList<SSTableReader>();
      for (Map.Entry<Descriptor, Set<Component>> fn : parsedFilenames.entrySet()) {
        try {
          SSTableReader sstable =
              SSTableReader.openNoValidation(fn.getKey(), fn.getValue(), cfs.metadata);
          sstables.add(sstable);

          if (options.snapshot) {
            File snapshotDirectory =
                Directories.getSnapshotDirectory(sstable.descriptor, snapshotName);
            sstable.createLinks(snapshotDirectory.getPath());
          }

        } catch (Exception e) {
          System.err.println(String.format("Error Loading %s: %s", fn.getKey(), e.getMessage()));
          if (options.debug) e.printStackTrace(System.err);
        }
      }
      if (options.snapshot)
        System.out.println(
            String.format("Pre-split sstables snapshotted into snapshot %s", snapshotName));

      cfs.getDataTracker().markCompacting(sstables);
      for (SSTableReader sstable : sstables) {
        try {
          new SSTableSplitter(cfs, sstable, options.sizeInMB).split();

          // Remove the sstable
          sstable.markCompacted();
          sstable.releaseReference();
        } catch (Exception e) {
          System.err.println(String.format("Error splitting %s: %s", sstable, e.getMessage()));
          if (options.debug) e.printStackTrace(System.err);
        }
      }
      SSTableDeletingTask.waitForDeletions();
      System.exit(0); // We need that to stop non daemonized threads
    } catch (Exception e) {
      System.err.println(e.getMessage());
      if (options.debug) e.printStackTrace(System.err);
      System.exit(1);
    }
  }
コード例 #8
0
  public static void main(String args[]) throws IOException {
    Options options = Options.parseArgs(args);
    try {
      // load keyspace descriptions.
      DatabaseDescriptor.loadSchemas(false);

      if (Schema.instance.getCFMetaData(options.keyspace, options.cf) == null)
        throw new IllegalArgumentException(
            String.format("Unknown keyspace/columnFamily %s.%s", options.keyspace, options.cf));

      Keyspace keyspace = Keyspace.openWithoutSSTables(options.keyspace);
      ColumnFamilyStore cfs = keyspace.getColumnFamilyStore(options.cf);

      OutputHandler handler = new OutputHandler.SystemOutput(false, options.debug);
      Directories.SSTableLister lister = cfs.directories.sstableLister();
      if (options.snapshot != null) lister.onlyBackups(true).snapshots(options.snapshot);
      else lister.includeBackups(false);

      Collection<SSTableReader> readers = new ArrayList<SSTableReader>();

      // Upgrade sstables
      for (Map.Entry<Descriptor, Set<Component>> entry : lister.list().entrySet()) {
        Set<Component> components = entry.getValue();
        if (!components.contains(Component.DATA) || !components.contains(Component.PRIMARY_INDEX))
          continue;

        try {
          SSTableReader sstable =
              SSTableReader.openNoValidation(entry.getKey(), components, cfs.metadata);
          if (sstable.descriptor.version.equals(Descriptor.Version.CURRENT)) continue;
          readers.add(sstable);
        } catch (Exception e) {
          JVMStabilityInspector.inspectThrowable(e);
          System.err.println(String.format("Error Loading %s: %s", entry.getKey(), e.getMessage()));
          if (options.debug) e.printStackTrace(System.err);

          continue;
        }
      }

      int numSSTables = readers.size();
      handler.output("Found " + numSSTables + " sstables that need upgrading.");

      for (SSTableReader sstable : readers) {
        try {
          Upgrader upgrader = new Upgrader(cfs, sstable, handler);
          upgrader.upgrade();

          if (!options.keepSource) {
            // Remove the sstable (it's been copied by upgrade)
            System.out.format("Deleting table %s.%n", sstable.descriptor.baseFilename());
            sstable.markObsolete();
            sstable.selfRef().release();
          }
        } catch (Exception e) {
          System.err.println(String.format("Error upgrading %s: %s", sstable, e.getMessage()));
          if (options.debug) e.printStackTrace(System.err);
        }
      }
      CompactionManager.instance.finishCompactionsAndShutdown(5, TimeUnit.MINUTES);
      SSTableDeletingTask.waitForDeletions();
      System.exit(0);
    } catch (Exception e) {
      System.err.println(e.getMessage());
      if (options.debug) e.printStackTrace(System.err);
      System.exit(1);
    }
  }