/** Constructor of {@link TachyonWorker}. */
public TachyonWorker() {
try {
mStartTimeMs = System.currentTimeMillis();
mTachyonConf = WorkerContext.getConf();
mBlockWorker = new BlockWorker();
mFileSystemWorker = new FileSystemWorker(mBlockWorker);
mAdditionalWorkers = Lists.newArrayList();
List<? extends Worker> workers = Lists.newArrayList(mBlockWorker, mFileSystemWorker);
// Discover and register the available factories
// NOTE: ClassLoader is explicitly specified so we don't need to set ContextClassLoader
ServiceLoader<WorkerFactory> discoveredMasterFactories =
ServiceLoader.load(WorkerFactory.class, WorkerFactory.class.getClassLoader());
for (WorkerFactory factory : discoveredMasterFactories) {
Worker worker = factory.create(workers);
if (worker != null) {
mAdditionalWorkers.add(worker);
}
}
// Setup metrics collection system
mWorkerMetricsSystem = new MetricsSystem("worker", mTachyonConf);
WorkerSource workerSource = WorkerContext.getWorkerSource();
workerSource.registerGauges(mBlockWorker);
mWorkerMetricsSystem.registerSource(workerSource);
// Setup web server
mWebServer =
new WorkerUIWebServer(
ServiceType.WORKER_WEB,
NetworkAddressUtils.getBindAddress(ServiceType.WORKER_WEB, mTachyonConf),
mBlockWorker,
NetworkAddressUtils.getConnectAddress(ServiceType.WORKER_RPC, mTachyonConf),
mStartTimeMs,
mTachyonConf);
// Setup Thrift server
mThriftServerSocket = createThriftServerSocket();
mRPCPort = NetworkAddressUtils.getThriftPort(mThriftServerSocket);
// Reset worker RPC port based on assigned port number
mTachyonConf.set(Constants.WORKER_RPC_PORT, Integer.toString(mRPCPort));
mThriftServer = createThriftServer();
mWorkerAddress =
NetworkAddressUtils.getConnectAddress(
NetworkAddressUtils.ServiceType.WORKER_RPC, mTachyonConf);
} catch (Exception e) {
LOG.error("Failed to initialize {}", this.getClass().getName(), e);
System.exit(-1);
}
}
/**
* 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);
}
}