Examples with LocalConnectionManager org.apache.flink.runtime.io.network.LocalConnectionManager used on opensource projects

Example 1 with LocalConnectionManager

use of org.apache.flink.runtime.io.network.LocalConnectionManager in project flink by apache.

the class TaskManagerServices method createNetworkEnvironment.

/**
	 * Creates the {@link NetworkEnvironment} from the given {@link TaskManagerServicesConfiguration}.
	 *
	 * @param taskManagerServicesConfiguration to construct the network environment from
	 * @return Network environment
	 * @throws IOException
	 */
private static NetworkEnvironment createNetworkEnvironment(TaskManagerServicesConfiguration taskManagerServicesConfiguration) throws IOException {
    NetworkEnvironmentConfiguration networkEnvironmentConfiguration = taskManagerServicesConfiguration.getNetworkConfig();
    NetworkBufferPool networkBufferPool = new NetworkBufferPool(networkEnvironmentConfiguration.numNetworkBuffers(), networkEnvironmentConfiguration.networkBufferSize(), networkEnvironmentConfiguration.memoryType());
    ConnectionManager connectionManager;
    if (networkEnvironmentConfiguration.nettyConfig() != null) {
        connectionManager = new NettyConnectionManager(networkEnvironmentConfiguration.nettyConfig());
    } else {
        connectionManager = new LocalConnectionManager();
    }
    ResultPartitionManager resultPartitionManager = new ResultPartitionManager();
    TaskEventDispatcher taskEventDispatcher = new TaskEventDispatcher();
    KvStateRegistry kvStateRegistry = new KvStateRegistry();
    KvStateServer kvStateServer;
    if (taskManagerServicesConfiguration.getQueryableStateConfig().enabled()) {
        QueryableStateConfiguration qsConfig = taskManagerServicesConfiguration.getQueryableStateConfig();
        int numNetworkThreads = qsConfig.numServerThreads() == 0 ? taskManagerServicesConfiguration.getNumberOfSlots() : qsConfig.numServerThreads();
        int numQueryThreads = qsConfig.numQueryThreads() == 0 ? taskManagerServicesConfiguration.getNumberOfSlots() : qsConfig.numQueryThreads();
        kvStateServer = new KvStateServer(taskManagerServicesConfiguration.getTaskManagerAddress(), qsConfig.port(), numNetworkThreads, numQueryThreads, kvStateRegistry, new DisabledKvStateRequestStats());
    } else {
        kvStateServer = null;
    }
    // we start the network first, to make sure it can allocate its buffers first
    return new NetworkEnvironment(networkBufferPool, connectionManager, resultPartitionManager, taskEventDispatcher, kvStateRegistry, kvStateServer, networkEnvironmentConfiguration.ioMode(), networkEnvironmentConfiguration.partitionRequestInitialBackoff(), networkEnvironmentConfiguration.partitionRequestMaxBackoff(), networkEnvironmentConfiguration.networkBuffersPerChannel(), networkEnvironmentConfiguration.extraNetworkBuffersPerGate());
}

Example 2 with LocalConnectionManager

use of org.apache.flink.runtime.io.network.LocalConnectionManager in project flink by apache.

the class TaskManagerComponentsStartupShutdownTest method testComponentsStartupShutdown.

/**
	 * Makes sure that all components are shut down when the TaskManager
	 * actor is shut down.
	 */
@Test
public void testComponentsStartupShutdown() {
    final String[] TMP_DIR = new String[] { ConfigConstants.DEFAULT_TASK_MANAGER_TMP_PATH };
    final Time timeout = Time.seconds(100);
    final int BUFFER_SIZE = 32 * 1024;
    Configuration config = new Configuration();
    config.setString(ConfigConstants.AKKA_WATCH_HEARTBEAT_INTERVAL, "200 ms");
    config.setString(ConfigConstants.AKKA_WATCH_HEARTBEAT_PAUSE, "1 s");
    config.setInteger(ConfigConstants.AKKA_WATCH_THRESHOLD, 1);
    ActorSystem actorSystem = null;
    try {
        actorSystem = AkkaUtils.createLocalActorSystem(config);
        final ActorRef jobManager = JobManager.startJobManagerActors(config, actorSystem, TestingUtils.defaultExecutor(), TestingUtils.defaultExecutor(), JobManager.class, MemoryArchivist.class)._1();
        FlinkResourceManager.startResourceManagerActors(config, actorSystem, LeaderRetrievalUtils.createLeaderRetrievalService(config, jobManager), StandaloneResourceManager.class);
        final int numberOfSlots = 1;
        // create the components for the TaskManager manually
        final TaskManagerConfiguration tmConfig = new TaskManagerConfiguration(numberOfSlots, TMP_DIR, timeout, null, Time.milliseconds(500), Time.seconds(30), Time.seconds(10), // cleanup interval
        1000000, config, // exit-jvm-on-fatal-error
        false);
        final NetworkEnvironmentConfiguration netConf = new NetworkEnvironmentConfiguration(32, BUFFER_SIZE, MemoryType.HEAP, IOManager.IOMode.SYNC, 0, 0, 2, 8, null);
        ResourceID taskManagerId = ResourceID.generate();
        final TaskManagerLocation connectionInfo = new TaskManagerLocation(taskManagerId, InetAddress.getLocalHost(), 10000);
        final MemoryManager memManager = new MemoryManager(32 * BUFFER_SIZE, 1, BUFFER_SIZE, MemoryType.HEAP, false);
        final IOManager ioManager = new IOManagerAsync(TMP_DIR);
        final NetworkEnvironment network = new NetworkEnvironment(new NetworkBufferPool(netConf.numNetworkBuffers(), netConf.networkBufferSize(), netConf.memoryType()), new LocalConnectionManager(), new ResultPartitionManager(), new TaskEventDispatcher(), new KvStateRegistry(), null, netConf.ioMode(), netConf.partitionRequestInitialBackoff(), netConf.partitionRequestMaxBackoff(), netConf.networkBuffersPerChannel(), netConf.extraNetworkBuffersPerGate());
        network.start();
        LeaderRetrievalService leaderRetrievalService = new StandaloneLeaderRetrievalService(jobManager.path().toString());
        MetricRegistryConfiguration metricRegistryConfiguration = MetricRegistryConfiguration.fromConfiguration(config);
        // create the task manager
        final Props tmProps = Props.create(TaskManager.class, tmConfig, taskManagerId, connectionInfo, memManager, ioManager, network, numberOfSlots, leaderRetrievalService, new MetricRegistry(metricRegistryConfiguration));
        final ActorRef taskManager = actorSystem.actorOf(tmProps);
        new JavaTestKit(actorSystem) {

            {
                // wait for the TaskManager to be registered
                new Within(new FiniteDuration(5000, TimeUnit.SECONDS)) {

                    @Override
                    protected void run() {
                        taskManager.tell(TaskManagerMessages.getNotifyWhenRegisteredAtJobManagerMessage(), getTestActor());
                        expectMsgEquals(TaskManagerMessages.getRegisteredAtJobManagerMessage());
                    }
                };
            }
        };
        // shut down all actors and the actor system
        // Kill the Task down the JobManager
        taskManager.tell(Kill.getInstance(), ActorRef.noSender());
        jobManager.tell(Kill.getInstance(), ActorRef.noSender());
        // shut down the actors and the actor system
        actorSystem.shutdown();
        actorSystem.awaitTermination();
        actorSystem = null;
        // now that the TaskManager is shut down, the components should be shut down as well
        assertTrue(network.isShutdown());
        assertTrue(ioManager.isProperlyShutDown());
        assertTrue(memManager.isShutdown());
    } catch (Exception e) {
        e.printStackTrace();
        fail(e.getMessage());
    } finally {
        if (actorSystem != null) {
            actorSystem.shutdown();
        }
    }
}