コード例 #1
0
    @Override
    public void run() {
      try {
        while (total < finishTotal) {
          try {
            Thread.sleep(sleepDuration);
          } catch (InterruptedException ie) {
            break;
          }

          final CacheableValue myValue = datastore.get(myKey).elementAs(CacheableValue.class);
          datastore.put(
              myKey,
              ObjectSerializer.instance().writeObject(myValue.next()),
              300,
              TimeUnit.SECONDS);

          total++;
        }
      } catch (Exception ex) {
        ex.printStackTrace();
      }
    }
コード例 #2
0
  public static void main(String[] args) throws Exception {
    final ReposeInstanceInfo instanceInfo =
        new ReposeInstanceInfo("SingleKeyContentionInserter", "node");
    final MutableClusterView view = new ThreadSafeClusterView(getHttpPortList(20000));

    final EHCacheDatastoreManager localManager = new EHCacheDatastoreManager(new CacheManager());
    final HashRingDatastoreManager remoteManager =
        new HashRingDatastoreManager(
            new RequestProxyServiceImpl(),
            "",
            UUIDEncodingProvider.getInstance(),
            MD5MessageDigestFactory.getInstance(),
            view,
            localManager.getDatastore());
    final Datastore datastore = remoteManager.getDatastore();

    view.updateMembers(
        new InetSocketAddress[] {
          new InetSocketAddress(InetAddress.getLocalHost(), 2101),
          new InetSocketAddress(InetAddress.getLocalHost(), 2102),
          new InetSocketAddress(InetAddress.getLocalHost(), 2103),
          new InetSocketAddress(InetAddress.getLocalHost(), 2104)
        });

    final String myKey = "mykey";
    final int finishTotal = 9700, sleep1 = 100, sleep2 = 200, sleep3 = 1200, sleep4 = 300;

    total = 0;

    final Thread
        inserter1 = new Thread(new CacheInserterRunnable(sleep1, finishTotal, datastore, myKey)),
        inserter2 = new Thread(new CacheInserterRunnable(sleep2, finishTotal, datastore, myKey)),
        inserter3 = new Thread(new CacheInserterRunnable(sleep3, finishTotal, datastore, myKey)),
        inserter4 = new Thread(new CacheInserterRunnable(sleep4, finishTotal, datastore, myKey));

    final Thread reader =
        new Thread(
            new Runnable() {

              @Override
              public void run() {
                try {
                  while (true) {
                    try {
                      Thread.sleep(400);
                    } catch (InterruptedException ie) {
                      break;
                    }

                    final CacheableValue myValue =
                        datastore.get(myKey).elementAs(CacheableValue.class);
                    System.out.println(
                        "Acquired: "
                            + myValue.getValue()
                            + " out of "
                            + total
                            + "\t\t\t\t- Potential Drift Ratio: "
                            + ((double) myValue.getValue() / (double) total)
                            + "\t\t- Elapsed time: "
                            + (System.currentTimeMillis() - beginTimestamp)
                            + "ms");
                  }
                } catch (Exception ex) {
                  ex.printStackTrace();
                }
              }
            },
            "Reader 1");

    Thread.sleep(4000);

    final ByteArrayOutputStream baos = new ByteArrayOutputStream();
    final ObjectOutputStream oos = new ObjectOutputStream(baos);

    oos.writeObject(new CacheableValue(0, true));
    oos.close();

    beginTimestamp = System.currentTimeMillis();

    datastore.put(myKey, baos.toByteArray(), 200, TimeUnit.SECONDS);

    reader.start();
    inserter1.start();
    inserter2.start();
    inserter3.start();
    inserter4.start();

    Thread.sleep(200000);

    System.exit(0);
  }