コード例 #1
0
ファイル: Client.java プロジェクト: xinjiacs/ycsb-0.1.4
  @SuppressWarnings("unchecked")
  public static void main(String[] args) {
    String dbname;
    Properties props = new Properties();
    Properties fileprops = new Properties();
    boolean dotransactions = true;
    int threadcount = 1;
    int target = 0;
    boolean status = false;
    String label = "";

    // parse arguments
    int argindex = 0;

    if (args.length == 0) {
      usageMessage();
      System.exit(0);
    }

    while (args[argindex].startsWith("-")) {
      if (args[argindex].compareTo("-threads") == 0) {
        argindex++;
        if (argindex >= args.length) {
          usageMessage();
          System.exit(0);
        }
        int tcount = Integer.parseInt(args[argindex]);
        props.setProperty("threadcount", tcount + "");
        argindex++;
      } else if (args[argindex].compareTo("-target") == 0) {
        argindex++;
        if (argindex >= args.length) {
          usageMessage();
          System.exit(0);
        }
        int ttarget = Integer.parseInt(args[argindex]);
        props.setProperty("target", ttarget + "");
        argindex++;
      } else if (args[argindex].compareTo("-load") == 0) {
        dotransactions = false;
        argindex++;
      } else if (args[argindex].compareTo("-t") == 0) {
        dotransactions = true;
        argindex++;
      } else if (args[argindex].compareTo("-s") == 0) {
        status = true;
        argindex++;
      } else if (args[argindex].compareTo("-db") == 0) {
        argindex++;
        if (argindex >= args.length) {
          usageMessage();
          System.exit(0);
        }
        props.setProperty("db", args[argindex]);
        argindex++;
      } else if (args[argindex].compareTo("-l") == 0) {
        argindex++;
        if (argindex >= args.length) {
          usageMessage();
          System.exit(0);
        }
        label = args[argindex];
        argindex++;
      } else if (args[argindex].compareTo("-P") == 0) {
        argindex++;
        if (argindex >= args.length) {
          usageMessage();
          System.exit(0);
        }
        String propfile = args[argindex];
        argindex++;

        Properties myfileprops = new Properties();
        try {
          myfileprops.load(new FileInputStream(propfile));
        } catch (IOException e) {
          System.out.println(e.getMessage());
          System.exit(0);
        }

        // Issue #5 - remove call to stringPropertyNames to make compilable under Java 1.5
        for (Enumeration e = myfileprops.propertyNames(); e.hasMoreElements(); ) {
          String prop = (String) e.nextElement();

          fileprops.setProperty(prop, myfileprops.getProperty(prop));
        }

      } else if (args[argindex].compareTo("-p") == 0) {
        argindex++;
        if (argindex >= args.length) {
          usageMessage();
          System.exit(0);
        }
        int eq = args[argindex].indexOf('=');
        if (eq < 0) {
          usageMessage();
          System.exit(0);
        }

        String name = args[argindex].substring(0, eq);
        String value = args[argindex].substring(eq + 1);
        props.put(name, value);
        // System.out.println("["+name+"]=["+value+"]");
        argindex++;
      } else {
        System.out.println("Unknown option " + args[argindex]);
        usageMessage();
        System.exit(0);
      }

      if (argindex >= args.length) {
        break;
      }
    }

    if (argindex != args.length) {
      usageMessage();
      System.exit(0);
    }

    // set up logging
    // BasicConfigurator.configure();

    // overwrite file properties with properties from the command line

    // Issue #5 - remove call to stringPropertyNames to make compilable under Java 1.5
    for (Enumeration e = props.propertyNames(); e.hasMoreElements(); ) {
      String prop = (String) e.nextElement();

      fileprops.setProperty(prop, props.getProperty(prop));
    }

    props = fileprops;

    if (!checkRequiredProperties(props)) {
      System.exit(0);
    }

    long maxExecutionTime = Integer.parseInt(props.getProperty(MAX_EXECUTION_TIME, "0"));

    // get number of threads, target and db
    threadcount = Integer.parseInt(props.getProperty("threadcount", "1"));
    dbname = props.getProperty("db", "com.yahoo.ycsb.BasicDB");
    target = Integer.parseInt(props.getProperty("target", "0"));

    // compute the target throughput
    double targetperthreadperms = -1;
    if (target > 0) {
      double targetperthread = ((double) target) / ((double) threadcount);
      targetperthreadperms = targetperthread / 1000.0;
    }

    System.out.println("YCSB Client 0.1");
    System.out.print("Command line:");
    for (int i = 0; i < args.length; i++) {
      System.out.print(" " + args[i]);
    }
    System.out.println();
    System.err.println("Loading workload...");

    // show a warning message that creating the workload is taking a while
    // but only do so if it is taking longer than 2 seconds
    // (showing the message right away if the setup wasn't taking very long was confusing people)
    Thread warningthread =
        new Thread() {
          public void run() {
            try {
              sleep(2000);
            } catch (InterruptedException e) {
              return;
            }
            System.err.println(" (might take a few minutes for large data sets)");
          }
        };

    warningthread.start();

    // set up measurements
    Measurements.setProperties(props);

    // load the workload
    ClassLoader classLoader = Client.class.getClassLoader();

    Workload workload = null;

    try {
      Class workloadclass = classLoader.loadClass(props.getProperty(WORKLOAD_PROPERTY));

      workload = (Workload) workloadclass.newInstance();
    } catch (Exception e) {
      e.printStackTrace();
      e.printStackTrace(System.out);
      System.exit(0);
    }

    try {
      workload.init(props);
    } catch (WorkloadException e) {
      e.printStackTrace();
      e.printStackTrace(System.out);
      System.exit(0);
    }

    warningthread.interrupt();

    // run the workload

    System.err.println("Starting test.");

    int opcount;
    if (dotransactions) {
      opcount = Integer.parseInt(props.getProperty(OPERATION_COUNT_PROPERTY, "0"));
    } else {
      if (props.containsKey(INSERT_COUNT_PROPERTY)) {
        opcount = Integer.parseInt(props.getProperty(INSERT_COUNT_PROPERTY, "0"));
      } else {
        opcount = Integer.parseInt(props.getProperty(RECORD_COUNT_PROPERTY, "0"));
      }
    }

    Vector<Thread> threads = new Vector<Thread>();

    for (int threadid = 0; threadid < threadcount; threadid++) {
      DB db = null;
      try {
        db = DBFactory.newDB(dbname, props);
      } catch (UnknownDBException e) {
        System.out.println("Unknown DB " + dbname);
        System.exit(0);
      }

      Thread t =
          new ClientThread(
              db,
              dotransactions,
              workload,
              threadid,
              threadcount,
              props,
              opcount / threadcount,
              targetperthreadperms);

      threads.add(t);
      // t.start();
    }

    StatusThread statusthread = null;

    if (status) {
      boolean standardstatus = false;
      if (props.getProperty("measurementtype", "").compareTo("timeseries") == 0) {
        standardstatus = true;
      }
      statusthread = new StatusThread(threads, label, standardstatus);
      statusthread.start();
    }

    long st = System.currentTimeMillis();

    for (Thread t : threads) {
      t.start();
    }

    Thread terminator = null;

    if (maxExecutionTime > 0) {
      terminator = new TerminatorThread(maxExecutionTime, threads, workload);
      terminator.start();
    }

    int opsDone = 0;

    for (Thread t : threads) {
      try {
        t.join();
        opsDone += ((ClientThread) t).getOpsDone();
      } catch (InterruptedException e) {
      }
    }

    long en = System.currentTimeMillis();

    if (terminator != null && !terminator.isInterrupted()) {
      terminator.interrupt();
    }

    if (status) {
      statusthread.interrupt();
    }

    try {
      workload.cleanup();
    } catch (WorkloadException e) {
      e.printStackTrace();
      e.printStackTrace(System.out);
      System.exit(0);
    }

    try {
      exportMeasurements(props, opsDone, en - st);
    } catch (IOException e) {
      System.err.println("Could not export measurements, error: " + e.getMessage());
      e.printStackTrace();
      System.exit(-1);
    }

    System.exit(0);
  }
コード例 #2
0
ファイル: Client.java プロジェクト: xinjiacs/ycsb-0.1.4
  public void run() {
    try {
      _db.init();
    } catch (DBException e) {
      e.printStackTrace();
      e.printStackTrace(System.out);
      return;
    }

    try {
      _workloadstate = _workload.initThread(_props, _threadid, _threadcount);
    } catch (WorkloadException e) {
      e.printStackTrace();
      e.printStackTrace(System.out);
      return;
    }

    // spread the thread operations out so they don't all hit the DB at the same time
    try {
      // GH issue 4 - throws exception if _target>1 because random.nextInt argument must be >0
      // and the sleep() doesn't make sense for granularities < 1 ms anyway
      if ((_target > 0) && (_target <= 1.0)) {
        sleep(Utils.random().nextInt((int) (1.0 / _target)));
      }
    } catch (InterruptedException e) {
      // do nothing.
    }

    try {
      if (_dotransactions) {
        long st = System.currentTimeMillis();

        while (((_opcount == 0) || (_opsdone < _opcount)) && !_workload.isStopRequested()) {

          if (!_workload.doTransaction(_db, _workloadstate)) {
            break;
          }

          _opsdone++;

          // throttle the operations
          if (_target > 0) {
            // this is more accurate than other throttling approaches we have tried,
            // like sleeping for (1/target throughput)-operation latency,
            // because it smooths timing inaccuracies (from sleep() taking an int,
            // current time in millis) over many operations
            while (System.currentTimeMillis() - st < ((double) _opsdone) / _target) {
              try {
                sleep(1);
              } catch (InterruptedException e) {
                // do nothing.
              }
            }
          }
        }
      } else {
        long st = System.currentTimeMillis();

        while (((_opcount == 0) || (_opsdone < _opcount)) && !_workload.isStopRequested()) {

          if (!_workload.doInsert(_db, _workloadstate)) {
            break;
          }

          _opsdone++;

          // throttle the operations
          if (_target > 0) {
            // this is more accurate than other throttling approaches we have tried,
            // like sleeping for (1/target throughput)-operation latency,
            // because it smooths timing inaccuracies (from sleep() taking an int,
            // current time in millis) over many operations
            while (System.currentTimeMillis() - st < ((double) _opsdone) / _target) {
              try {
                sleep(1);
              } catch (InterruptedException e) {
                // do nothing.
              }
            }
          }
        }
      }
    } catch (Exception e) {
      e.printStackTrace();
      e.printStackTrace(System.out);
      System.exit(0);
    }

    try {
      _db.cleanup();
    } catch (DBException e) {
      e.printStackTrace();
      e.printStackTrace(System.out);
      return;
    }
  }