Examples with IOManagerAsync org.apache.flink.runtime.io.disk.iomanager.IOManagerAsync used on opensource projects

Example 1 with IOManagerAsync

use of org.apache.flink.runtime.io.disk.iomanager.IOManagerAsync in project flink by apache.

the class TaskManagerServices method fromConfiguration.

// --------------------------------------------------------------------------------------------
//  Static factory methods for task manager services
// --------------------------------------------------------------------------------------------
/**
	 * Creates and returns the task manager services.
	 *
	 * @param resourceID resource ID of the task manager
	 * @param taskManagerServicesConfiguration task manager configuration
	 * @return task manager components
	 * @throws Exception
	 */
public static TaskManagerServices fromConfiguration(TaskManagerServicesConfiguration taskManagerServicesConfiguration, ResourceID resourceID) throws Exception {
    // pre-start checks
    checkTempDirs(taskManagerServicesConfiguration.getTmpDirPaths());
    final NetworkEnvironment network = createNetworkEnvironment(taskManagerServicesConfiguration);
    network.start();
    final TaskManagerLocation taskManagerLocation = new TaskManagerLocation(resourceID, taskManagerServicesConfiguration.getTaskManagerAddress(), network.getConnectionManager().getDataPort());
    // this call has to happen strictly after the network stack has been initialized
    final MemoryManager memoryManager = createMemoryManager(taskManagerServicesConfiguration);
    // start the I/O manager, it will create some temp directories.
    final IOManager ioManager = new IOManagerAsync(taskManagerServicesConfiguration.getTmpDirPaths());
    final MetricRegistry metricRegistry = new MetricRegistry(taskManagerServicesConfiguration.getMetricRegistryConfiguration());
    final TaskManagerMetricGroup taskManagerMetricGroup = new TaskManagerMetricGroup(metricRegistry, taskManagerLocation.getHostname(), taskManagerLocation.getResourceID().toString());
    // Initialize the TM metrics
    TaskExecutorMetricsInitializer.instantiateStatusMetrics(taskManagerMetricGroup, network);
    final BroadcastVariableManager broadcastVariableManager = new BroadcastVariableManager();
    final FileCache fileCache = new FileCache(taskManagerServicesConfiguration.getTmpDirPaths());
    final List<ResourceProfile> resourceProfiles = new ArrayList<>(taskManagerServicesConfiguration.getNumberOfSlots());
    for (int i = 0; i < taskManagerServicesConfiguration.getNumberOfSlots(); i++) {
        resourceProfiles.add(new ResourceProfile(1.0, 42));
    }
    final TimerService<AllocationID> timerService = new TimerService<>(new ScheduledThreadPoolExecutor(1), taskManagerServicesConfiguration.getTimerServiceShutdownTimeout());
    final TaskSlotTable taskSlotTable = new TaskSlotTable(resourceProfiles, timerService);
    final JobManagerTable jobManagerTable = new JobManagerTable();
    final JobLeaderService jobLeaderService = new JobLeaderService(taskManagerLocation);
    return new TaskManagerServices(taskManagerLocation, memoryManager, ioManager, network, metricRegistry, taskManagerMetricGroup, broadcastVariableManager, fileCache, taskSlotTable, jobManagerTable, jobLeaderService);
}

Example 2 with IOManagerAsync

use of org.apache.flink.runtime.io.disk.iomanager.IOManagerAsync in project flink by apache.

the class BarrierBufferMassiveRandomTest method testWithTwoChannelsAndRandomBarriers.

@Test
public void testWithTwoChannelsAndRandomBarriers() {
    IOManager ioMan = null;
    try {
        ioMan = new IOManagerAsync();
        BufferPool pool1 = new NetworkBufferPool(100, PAGE_SIZE, MemoryType.HEAP).createBufferPool(100, 100);
        BufferPool pool2 = new NetworkBufferPool(100, PAGE_SIZE, MemoryType.HEAP).createBufferPool(100, 100);
        RandomGeneratingInputGate myIG = new RandomGeneratingInputGate(new BufferPool[] { pool1, pool2 }, new BarrierGenerator[] { new CountBarrier(100000), new RandomBarrier(100000) });
        BarrierBuffer barrierBuffer = new BarrierBuffer(myIG, ioMan);
        for (int i = 0; i < 2000000; i++) {
            BufferOrEvent boe = barrierBuffer.getNextNonBlocked();
            if (boe.isBuffer()) {
                boe.getBuffer().recycle();
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
        fail(e.getMessage());
    } finally {
        if (ioMan != null) {
            ioMan.shutdown();
        }
    }
}

Example 3 with IOManagerAsync

use of org.apache.flink.runtime.io.disk.iomanager.IOManagerAsync in project flink by apache.

the class FileChannelStreamsTest method testCloseAndDeleteInputView.

@Test
public void testCloseAndDeleteInputView() {
    try (IOManager ioManager = new IOManagerAsync()) {
        MemoryManager memMan = MemoryManagerBuilder.newBuilder().build();
        List<MemorySegment> memory = new ArrayList<MemorySegment>();
        memMan.allocatePages(new DummyInvokable(), memory, 4);
        FileIOChannel.ID channel = ioManager.createChannel();
        // add some test data
        try (FileWriter wrt = new FileWriter(channel.getPath())) {
            wrt.write("test data");
        }
        BlockChannelReader<MemorySegment> reader = ioManager.createBlockChannelReader(channel);
        FileChannelInputView in = new FileChannelInputView(reader, memMan, memory, 9);
        // read just something
        in.readInt();
        // close for the first time, make sure all memory returns
        in.close();
        assertTrue(memMan.verifyEmpty());
        // close again, should not cause an exception
        in.close();
        // delete, make sure file is removed
        in.closeAndDelete();
        assertFalse(new File(channel.getPath()).exists());
    } catch (Exception e) {
        e.printStackTrace();
        fail(e.getMessage());
    }
}

Example 4 with IOManagerAsync

use of org.apache.flink.runtime.io.disk.iomanager.IOManagerAsync in project flink by apache.

the class SeekableFileChannelInputViewTest method testSeek.

@Test
public void testSeek() {
    final int PAGE_SIZE = 16 * 1024;
    final int NUM_RECORDS = 120000;
    try (IOManager ioManager = new IOManagerAsync()) {
        MemoryManager memMan = MemoryManagerBuilder.newBuilder().setMemorySize(4 * PAGE_SIZE).setPageSize(PAGE_SIZE).build();
        List<MemorySegment> memory = new ArrayList<MemorySegment>();
        memMan.allocatePages(new DummyInvokable(), memory, 4);
        FileIOChannel.ID channel = ioManager.createChannel();
        BlockChannelWriter<MemorySegment> writer = ioManager.createBlockChannelWriter(channel);
        FileChannelOutputView out = new FileChannelOutputView(writer, memMan, memory, memMan.getPageSize());
        // bytes)
        for (int i = 0; i < NUM_RECORDS; i += 4) {
            out.writeInt(i);
        }
        // close for the first time, make sure all memory returns
        out.close();
        assertTrue(memMan.verifyEmpty());
        memMan.allocatePages(new DummyInvokable(), memory, 4);
        SeekableFileChannelInputView in = new SeekableFileChannelInputView(ioManager, channel, memMan, memory, out.getBytesInLatestSegment());
        // read first, complete
        for (int i = 0; i < NUM_RECORDS; i += 4) {
            assertEquals(i, in.readInt());
        }
        try {
            in.readInt();
            fail("should throw EOF exception");
        } catch (EOFException ignored) {
        }
        // seek to the middle of the 3rd page
        int i = 2 * PAGE_SIZE + PAGE_SIZE / 4;
        in.seek(i);
        for (; i < NUM_RECORDS; i += 4) {
            assertEquals(i, in.readInt());
        }
        try {
            in.readInt();
            fail("should throw EOF exception");
        } catch (EOFException ignored) {
        }
        // seek to the end
        i = 120000 - 4;
        in.seek(i);
        for (; i < NUM_RECORDS; i += 4) {
            assertEquals(i, in.readInt());
        }
        try {
            in.readInt();
            fail("should throw EOF exception");
        } catch (EOFException ignored) {
        }
        // seek to the beginning
        i = 0;
        in.seek(i);
        for (; i < NUM_RECORDS; i += 4) {
            assertEquals(i, in.readInt());
        }
        try {
            in.readInt();
            fail("should throw EOF exception");
        } catch (EOFException ignored) {
        }
        // seek to after a page
        i = PAGE_SIZE;
        in.seek(i);
        for (; i < NUM_RECORDS; i += 4) {
            assertEquals(i, in.readInt());
        }
        try {
            in.readInt();
            fail("should throw EOF exception");
        } catch (EOFException ignored) {
        }
        // seek to after a page
        i = 3 * PAGE_SIZE;
        in.seek(i);
        for (; i < NUM_RECORDS; i += 4) {
            assertEquals(i, in.readInt());
        }
        try {
            in.readInt();
            fail("should throw EOF exception");
        } catch (EOFException ignored) {
        }
        // seek to the end
        i = NUM_RECORDS;
        in.seek(i);
        try {
            in.readInt();
            fail("should throw EOF exception");
        } catch (EOFException ignored) {
        }
        // seek out of bounds
        try {
            in.seek(-10);
            fail("should throw an exception");
        } catch (IllegalArgumentException ignored) {
        }
        try {
            in.seek(NUM_RECORDS + 1);
            fail("should throw an exception");
        } catch (IllegalArgumentException ignored) {
        }
    } catch (Exception e) {
        e.printStackTrace();
        fail(e.getMessage());
    }
}

Example 5 with IOManagerAsync

use of org.apache.flink.runtime.io.disk.iomanager.IOManagerAsync in project flink by apache.

the class NonReusingHashJoinIteratorITCase method beforeTest.

@SuppressWarnings("unchecked")
@Before
public void beforeTest() {
    this.recordSerializer = TestData.getIntStringTupleSerializer();
    this.record1Comparator = TestData.getIntStringTupleComparator();
    this.record2Comparator = TestData.getIntStringTupleComparator();
    this.recordPairComparator = new GenericPairComparator(record1Comparator, record2Comparator);
    this.pairSerializer = new IntPairSerializer();
    this.pairComparator = new TestData.IntPairComparator();
    this.pairRecordPairComparator = new IntPairTuplePairComparator();
    this.recordPairPairComparator = new TupleIntPairPairComparator();
    this.memoryManager = MemoryManagerBuilder.newBuilder().setMemorySize(MEMORY_SIZE).build();
    this.ioManager = new IOManagerAsync();
}