Exemplo n.º 1
0
 /**
  * Stops the block worker. This method should only be called to terminate the worker.
  *
  * @throws IOException if the data server fails to close
  */
 public void stop() throws IOException {
   mDataServer.close();
   mThriftServer.stop();
   mThriftServerSocket.close();
   mSessionCleanerThread.stop();
   mBlockMasterClient.close();
   if (mSpaceReserver != null) {
     mSpaceReserver.stop();
   }
   mFileSystemMasterClient.close();
   // Use shutdownNow because HeartbeatThreads never finish until they are interrupted
   getExecutorService().shutdownNow();
   mWorkerMetricsSystem.stop();
   try {
     mWebServer.shutdownWebServer();
   } catch (Exception e) {
     LOG.error("Failed to stop web server", e);
   }
   mBlockDataManager.stop();
   while (!mDataServer.isClosed() || mThriftServer.isServing()) {
     // The reason to stop and close again is due to some issues in Thrift.
     mDataServer.close();
     mThriftServer.stop();
     mThriftServerSocket.close();
     CommonUtils.sleepMs(100);
   }
 }
Exemplo n.º 2
0
 /**
  * Stop this TachyonWorker. Stop all the threads belong to this TachyonWorker.
  *
  * @throws IOException
  * @throws InterruptedException
  */
 public void stop() throws IOException, InterruptedException {
   mStop = true;
   mWorkerStorage.stop();
   mDataServer.close();
   mServer.stop();
   mServerTNonblockingServerSocket.close();
   mExecutorService.shutdown();
   while (!mDataServer.isClosed() || mServer.isServing() || mHeartbeatThread.isAlive()) {
     // TODO The reason to stop and close again is due to some issues in Thrift.
     mServer.stop();
     mServerTNonblockingServerSocket.close();
     CommonUtils.sleepMs(null, 100);
   }
   mHeartbeatThread.join();
 }
Exemplo n.º 3
0
  /**
   * @param masterAddress The TachyonMaster's address.
   * @param workerAddress This TachyonWorker's address.
   * @param dataPort This TachyonWorker's data server's port
   * @param selectorThreads The number of selector threads of the worker's thrift server
   * @param acceptQueueSizePerThreads The accept queue size per thread of the worker's thrift server
   * @param workerThreads The number of threads of the worker's thrift server
   * @param dataFolder This TachyonWorker's local folder's path
   * @param memoryCapacityBytes The maximum memory space this TachyonWorker can use, in bytes
   */
  private TachyonWorker(
      InetSocketAddress masterAddress,
      InetSocketAddress workerAddress,
      int dataPort,
      int selectorThreads,
      int acceptQueueSizePerThreads,
      int workerThreads,
      String dataFolder,
      long memoryCapacityBytes) {
    CommonConf.assertValidPort(masterAddress);
    CommonConf.assertValidPort(workerAddress);
    CommonConf.assertValidPort(dataPort);

    mMasterAddress = masterAddress;

    mWorkerStorage =
        new WorkerStorage(mMasterAddress, dataFolder, memoryCapacityBytes, mExecutorService);

    mWorkerServiceHandler = new WorkerServiceHandler(mWorkerStorage);

    // Extract the port from the generated socket.
    // When running tests, its great to use port '0' so the system will figure out what port to use
    // (any random free port).
    // In a production or any real deployment setup, port '0' should not be used as it will make
    // deployment more complicated.
    InetSocketAddress dataAddress = new InetSocketAddress(workerAddress.getHostName(), dataPort);
    BlocksLocker blockLocker = new BlocksLocker(mWorkerStorage, Users.DATASERVER_USER_ID);
    mDataServer = createDataServer(dataAddress, blockLocker);
    mDataPort = mDataServer.getPort();

    mHeartbeatThread = new Thread(this);
    try {
      LOG.info("Tachyon Worker version " + Version.VERSION + " tries to start @ " + workerAddress);
      WorkerService.Processor<WorkerServiceHandler> processor =
          new WorkerService.Processor<WorkerServiceHandler>(mWorkerServiceHandler);

      mServerTNonblockingServerSocket = new TNonblockingServerSocket(workerAddress);
      mPort = NetworkUtils.getPort(mServerTNonblockingServerSocket);
      mServer =
          new TThreadedSelectorServer(
              new TThreadedSelectorServer.Args(mServerTNonblockingServerSocket)
                  .processor(processor)
                  .selectorThreads(selectorThreads)
                  .acceptQueueSizePerThread(acceptQueueSizePerThreads)
                  .workerThreads(workerThreads));
    } catch (TTransportException e) {
      LOG.error(e.getMessage(), e);
      throw Throwables.propagate(e);
    }
    mWorkerAddress =
        new NetAddress(workerAddress.getAddress().getCanonicalHostName(), mPort, mDataPort);
    mWorkerStorage.initialize(mWorkerAddress);
  }
Exemplo n.º 4
0
  /**
   * Creates a new instance of {@link BlockWorker}.
   *
   * @throws ConnectionFailedException if network connection failed
   * @throws IOException for other exceptions
   */
  public BlockWorker() throws IOException, ConnectionFailedException {
    super(
        Executors.newFixedThreadPool(
            4, ThreadFactoryUtils.build("block-worker-heartbeat-%d", true)));
    mTachyonConf = WorkerContext.getConf();
    mStartTimeMs = System.currentTimeMillis();

    // Setup MasterClientBase
    mBlockMasterClient =
        new BlockMasterClient(
            NetworkAddressUtils.getConnectAddress(ServiceType.MASTER_RPC, mTachyonConf),
            mTachyonConf);

    mFileSystemMasterClient =
        new FileSystemMasterClient(
            NetworkAddressUtils.getConnectAddress(ServiceType.MASTER_RPC, mTachyonConf),
            mTachyonConf);

    // Set up BlockDataManager
    WorkerSource workerSource = new WorkerSource();
    mBlockDataManager =
        new BlockDataManager(
            workerSource, mBlockMasterClient, mFileSystemMasterClient, new TieredBlockStore());

    // Setup metrics collection
    mWorkerMetricsSystem = new MetricsSystem("worker", mTachyonConf);
    workerSource.registerGauges(mBlockDataManager);
    mWorkerMetricsSystem.registerSource(workerSource);

    // Setup DataServer
    mDataServer =
        DataServer.Factory.create(
            NetworkAddressUtils.getBindAddress(ServiceType.WORKER_DATA, mTachyonConf),
            mBlockDataManager,
            mTachyonConf);
    // Reset data server port
    mTachyonConf.set(Constants.WORKER_DATA_PORT, Integer.toString(mDataServer.getPort()));

    // Setup RPC Server
    mServiceHandler = new BlockWorkerClientServiceHandler(mBlockDataManager);
    mThriftServerSocket = createThriftServerSocket();
    mPort = NetworkAddressUtils.getThriftPort(mThriftServerSocket);
    // Reset worker RPC port
    mTachyonConf.set(Constants.WORKER_RPC_PORT, Integer.toString(mPort));
    mThriftServer = createThriftServer();

    // Setup web server
    mWebServer =
        new WorkerUIWebServer(
            ServiceType.WORKER_WEB,
            NetworkAddressUtils.getBindAddress(ServiceType.WORKER_WEB, mTachyonConf),
            mBlockDataManager,
            NetworkAddressUtils.getConnectAddress(ServiceType.WORKER_RPC, mTachyonConf),
            mStartTimeMs,
            mTachyonConf);
    mWorkerMetricsSystem.start();
    // Add the metrics servlet to the web server, this must be done after the metrics system starts
    mWebServer.addHandler(mWorkerMetricsSystem.getServletHandler());
    mWebServer.startWebServer();
    int webPort = mWebServer.getLocalPort();

    // Get the worker id
    mWorkerNetAddress =
        new NetAddress(
            NetworkAddressUtils.getConnectHost(ServiceType.WORKER_RPC, mTachyonConf),
            mPort,
            mDataServer.getPort(),
            webPort);
    WorkerIdRegistry.registerWithBlockMaster(mBlockMasterClient, mWorkerNetAddress);

    mBlockMasterSync =
        new BlockMasterSync(mBlockDataManager, mWorkerNetAddress, mBlockMasterClient);

    // Setup PinListSyncer
    mPinListSync = new PinListSync(mBlockDataManager, mFileSystemMasterClient);

    // Setup session cleaner
    mSessionCleanerThread = new SessionCleaner(mBlockDataManager);

    // Setup space reserver
    if (mTachyonConf.getBoolean(Constants.WORKER_TIERED_STORE_RESERVER_ENABLED)) {
      mSpaceReserver = new SpaceReserver(mBlockDataManager);
    }
  }
Exemplo n.º 5
0
 /** @return the worker data service port */
 public int getDataLocalPort() {
   return mDataServer.getPort();
 }
Exemplo n.º 6
0
 /** @return the worker data service bind host */
 public String getDataBindHost() {
   return mDataServer.getBindHost();
 }