Esempio n. 1
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  /** Kicks off the benchmark on all cluster nodes */
  void startBenchmark() throws Throwable {
    RequestOptions options = new RequestOptions(ResponseMode.GET_ALL, 0);
    options.setFlags(Message.OOB, Message.DONT_BUNDLE, Message.NO_FC);
    RspList<Object> responses = disp.callRemoteMethods(null, new MethodCall(START), options);

    long total_reqs = 0;
    long total_time = 0;

    System.out.println("\n======================= Results: ===========================");
    for (Map.Entry<Address, Rsp<Object>> entry : responses.entrySet()) {
      Address mbr = entry.getKey();
      Rsp rsp = entry.getValue();
      Results result = (Results) rsp.getValue();
      total_reqs += result.num_gets + result.num_puts;
      total_time += result.time;
      System.out.println(mbr + ": " + result);
    }
    double total_reqs_sec = total_reqs / (total_time / 1000.0);
    double throughput = total_reqs_sec * msg_size;
    double ms_per_req = total_time / (double) total_reqs;
    Protocol prot = channel.getProtocolStack().findProtocol(unicast_protocols);
    System.out.println("\n");
    System.out.println(
        Util.bold(
            "Average of "
                + f.format(total_reqs_sec)
                + " requests / sec ("
                + Util.printBytes(throughput)
                + " / sec), "
                + f.format(ms_per_req)
                + " ms /request (prot="
                + prot.getName()
                + ")"));
    System.out.println("\n\n");
  }
Esempio n. 2
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  public Results startTest() throws Throwable {
    System.out.println(
        "invoking "
            + num_msgs
            + " RPCs of "
            + Util.printBytes(msg_size)
            + ", sync="
            + sync
            + ", oob="
            + oob);
    int total_gets = 0, total_puts = 0;
    final AtomicInteger num_msgs_sent = new AtomicInteger(0);

    Invoker[] invokers = new Invoker[num_threads];
    for (int i = 0; i < invokers.length; i++)
      invokers[i] = new Invoker(members, num_msgs, num_msgs_sent);

    long start = System.currentTimeMillis();
    for (Invoker invoker : invokers) invoker.start();

    for (Invoker invoker : invokers) {
      invoker.join();
      total_gets += invoker.numGets();
      total_puts += invoker.numPuts();
    }

    long total_time = System.currentTimeMillis() - start;
    System.out.println("done (in " + total_time + " ms)");
    return new Results(total_gets, total_puts, total_time);
  }
Esempio n. 3
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 void setReadPercentage() throws Exception {
   double tmp = Util.readDoubleFromStdin("Read percentage: ");
   if (tmp < 0 || tmp > 1.0) {
     System.err.println("read percentage must be >= 0 or <= 1.0");
     return;
   }
   disp.callRemoteMethods(null, new MethodCall(SET_READ_PERCENTAGE, tmp), RequestOptions.SYNC());
 }
Esempio n. 4
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 void setAnycastCount() throws Exception {
   int tmp = Util.readIntFromStdin("Anycast count: ");
   View view = channel.getView();
   if (tmp > view.size()) {
     System.err.println(
         "anycast count must be smaller or equal to the view size (" + view + ")\n");
     return;
   }
   disp.callRemoteMethods(null, new MethodCall(SET_ANYCAST_COUNT, tmp), RequestOptions.SYNC());
 }
Esempio n. 5
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    public void run() {
      final byte[] buf = new byte[msg_size];
      Object[] put_args = {0, buf};
      Object[] get_args = {0};
      MethodCall get_call = new MethodCall(GET, get_args);
      MethodCall put_call = new MethodCall(PUT, put_args);
      RequestOptions get_options = new RequestOptions(ResponseMode.GET_ALL, 40000, false, null);
      RequestOptions put_options =
          new RequestOptions(
              sync ? ResponseMode.GET_ALL : ResponseMode.GET_NONE, 40000, true, null);

      if (oob) {
        get_options.setFlags(Message.OOB);
        put_options.setFlags(Message.OOB);
      }
      if (sync) {
        get_options.setFlags(Message.DONT_BUNDLE, Message.NO_FC);
        put_options.setFlags(Message.DONT_BUNDLE, Message.NO_FC);
      }

      while (true) {
        long i = num_msgs_sent.getAndIncrement();
        if (i >= num_msgs_to_send) break;

        boolean get = Util.tossWeightedCoin(read_percentage);

        try {
          if (get) { // sync GET
            Address target = pickTarget();
            get_args[0] = i;
            disp.callRemoteMethod(target, get_call, get_options);
            num_gets++;
          } else { // sync or async (based on value of 'sync') PUT
            Collection<Address> targets = pickAnycastTargets();
            put_args[0] = i;
            disp.callRemoteMethods(targets, put_call, put_options);
            num_puts++;
          }
        } catch (Throwable throwable) {
          throwable.printStackTrace();
        }
      }
    }
Esempio n. 6
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  public void init(String props, String name) throws Throwable {
    channel = new JChannel(props);
    if (name != null) channel.setName(name);
    disp = new RpcDispatcher(channel, null, this, this);
    disp.setMethodLookup(
        new MethodLookup() {
          public Method findMethod(short id) {
            return METHODS[id];
          }
        });
    disp.setRequestMarshaller(new CustomMarshaller());
    channel.connect(groupname);
    local_addr = channel.getAddress();

    try {
      MBeanServer server = Util.getMBeanServer();
      JmxConfigurator.registerChannel(channel, server, "jgroups", channel.getClusterName(), true);
    } catch (Throwable ex) {
      System.err.println("registering the channel in JMX failed: " + ex);
    }

    if (members.size() < 2) return;
    Address coord = members.get(0);
    ConfigOptions config =
        (ConfigOptions)
            disp.callRemoteMethod(
                coord, new MethodCall(GET_CONFIG), new RequestOptions(ResponseMode.GET_ALL, 5000));
    if (config != null) {
      this.oob = config.oob;
      this.sync = config.sync;
      this.num_threads = config.num_threads;
      this.num_msgs = config.num_msgs;
      this.msg_size = config.msg_size;
      this.anycast_count = config.anycast_count;
      this.read_percentage = config.read_percentage;
      System.out.println("Fetched config from " + coord + ": " + config);
    } else System.err.println("failed to fetch config from " + coord);
  }
Esempio n. 7
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 void setMessageSize() throws Exception {
   int tmp = Util.readIntFromStdin("Message size: ");
   disp.callRemoteMethods(null, new MethodCall(SET_MSG_SIZE, tmp), RequestOptions.SYNC());
 }
Esempio n. 8
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 void setNumMessages() throws Exception {
   int tmp = Util.readIntFromStdin("Number of RPCs: ");
   disp.callRemoteMethods(null, new MethodCall(SET_NUM_MSGS, tmp), RequestOptions.SYNC());
 }
Esempio n. 9
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 void setSenderThreads() throws Exception {
   int threads = Util.readIntFromStdin("Number of sender threads: ");
   disp.callRemoteMethods(null, new MethodCall(SET_NUM_THREADS, threads), RequestOptions.SYNC());
 }
Esempio n. 10
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  public void eventLoop() throws Throwable {
    int c;

    while (true) {
      c =
          Util.keyPress(
              "[1] Send msgs [2] Print view [3] Print conns "
                  + "[4] Trash conn [5] Trash all conns"
                  + "\n[6] Set sender threads ("
                  + num_threads
                  + ") [7] Set num msgs ("
                  + num_msgs
                  + ") "
                  + "[8] Set msg size ("
                  + Util.printBytes(msg_size)
                  + ")"
                  + " [9] Set anycast count ("
                  + anycast_count
                  + ")"
                  + "\n[o] Toggle OOB ("
                  + oob
                  + ") [s] Toggle sync ("
                  + sync
                  + ") [r] Set read percentage ("
                  + f.format(read_percentage)
                  + ")"
                  + "\n[q] Quit\n");
      switch (c) {
        case -1:
          break;
        case '1':
          try {
            startBenchmark();
          } catch (Throwable t) {
            System.err.println(t);
          }
          break;
        case '2':
          printView();
          break;
        case '3':
          printConnections();
          break;
        case '4':
          removeConnection();
          break;
        case '5':
          removeAllConnections();
          break;
        case '6':
          setSenderThreads();
          break;
        case '7':
          setNumMessages();
          break;
        case '8':
          setMessageSize();
          break;
        case '9':
          setAnycastCount();
          break;
        case 'o':
          boolean new_value = !oob;
          disp.callRemoteMethods(null, new MethodCall(SET_OOB, new_value), RequestOptions.SYNC());
          break;
        case 's':
          boolean new_val = !sync;
          disp.callRemoteMethods(null, new MethodCall(SET_SYNC, new_val), RequestOptions.SYNC());
          break;
        case 'r':
          setReadPercentage();
          break;
        case 'q':
          channel.close();
          return;
        case '\n':
        case '\r':
          break;
        default:
          break;
      }
    }
  }
Esempio n. 11
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 void stop() {
   if (disp != null) disp.stop();
   Util.close(channel);
 }