Examples with ThreadSafeTaskSlotTable org.apache.flink.runtime.taskexecutor.slot.ThreadSafeTaskSlotTable used on opensource projects

Example 1 with ThreadSafeTaskSlotTable

use of org.apache.flink.runtime.taskexecutor.slot.ThreadSafeTaskSlotTable in project flink by apache.

the class TaskExecutorTest method testFreeingInactiveSlotDoesNotFail.

/**
 * Tests that freeing an inactive slot is a legal operation that does not throw an exception.
 */
@Test
public void testFreeingInactiveSlotDoesNotFail() throws Exception {
    final OneShotLatch taskExecutorIsRegistered = new OneShotLatch();
    final CompletableFuture<Tuple3<InstanceID, SlotID, AllocationID>> availableSlotFuture = new CompletableFuture<>();
    final TestingResourceManagerGateway resourceManagerGateway = createRmWithTmRegisterAndNotifySlotHooks(new InstanceID(), taskExecutorIsRegistered, availableSlotFuture);
    rpc.registerGateway(resourceManagerGateway.getAddress(), resourceManagerGateway);
    final MultiShotLatch offerSlotsLatch = new MultiShotLatch();
    final TestingJobMasterGateway jobMasterGateway = new TestingJobMasterGatewayBuilder().setOfferSlotsFunction((resourceID, slotOffers) -> {
        offerSlotsLatch.trigger();
        return new CompletableFuture<>();
    }).build();
    rpc.registerGateway(jobMasterGateway.getAddress(), jobMasterGateway);
    final TaskSlotTable<Task> taskSlotTable = TaskSlotUtils.createTaskSlotTable(1);
    final TaskExecutorLocalStateStoresManager localStateStoresManager = createTaskExecutorLocalStateStoresManager();
    final TaskManagerServices taskManagerServices = new TaskManagerServicesBuilder().setUnresolvedTaskManagerLocation(unresolvedTaskManagerLocation).setTaskSlotTable(taskSlotTable).setTaskStateManager(localStateStoresManager).build();
    final TestingTaskExecutor taskExecutor = createTestingTaskExecutor(taskManagerServices);
    final ThreadSafeTaskSlotTable<Task> threadSafeTaskSlotTable = new ThreadSafeTaskSlotTable<>(taskSlotTable, taskExecutor.getMainThreadExecutableForTesting());
    try {
        taskExecutor.start();
        taskExecutor.waitUntilStarted();
        final TaskExecutorGateway tmGateway = taskExecutor.getSelfGateway(TaskExecutorGateway.class);
        taskExecutorIsRegistered.await();
        jobManagerLeaderRetriever.notifyListener(jobMasterGateway.getAddress(), jobMasterGateway.getFencingToken().toUUID());
        final AllocationID allocationId = new AllocationID();
        requestSlot(tmGateway, jobId, allocationId, buildSlotID(0), ResourceProfile.UNKNOWN, jobMasterGateway.getAddress(), resourceManagerGateway.getFencingToken());
        offerSlotsLatch.await();
        tmGateway.freeSlot(allocationId, new RuntimeException("test exception"), timeout).get();
        assertThat(availableSlotFuture.get().f2, is(allocationId));
        assertThat(threadSafeTaskSlotTable.getAllocationIdsPerJob(jobId), empty());
    } finally {
        RpcUtils.terminateRpcEndpoint(taskExecutor, timeout);
    }
}

Example 2 with ThreadSafeTaskSlotTable

use of org.apache.flink.runtime.taskexecutor.slot.ThreadSafeTaskSlotTable in project flink by apache.

the class TaskExecutorTest method testSlotOfferResponseWithPendingSlotOffer.

/**
 * Tests the behavior of the task executor when a slot offer response is received while a newer
 * slot offer is in progress.
 */
private void testSlotOfferResponseWithPendingSlotOffer(final ResponseOrder responseOrder) throws Exception {
    final OneShotLatch taskExecutorIsRegistered = new OneShotLatch();
    final TestingResourceManagerGateway resourceManagerGateway = createRmWithTmRegisterAndNotifySlotHooks(new InstanceID(), taskExecutorIsRegistered, new CompletableFuture<>());
    final CompletableFuture<Collection<SlotOffer>> firstOfferResponseFuture = new CompletableFuture<>();
    final CompletableFuture<Collection<SlotOffer>> secondOfferResponseFuture = new CompletableFuture<>();
    final Queue<CompletableFuture<Collection<SlotOffer>>> slotOfferResponses = new ArrayDeque<>(Arrays.asList(firstOfferResponseFuture, secondOfferResponseFuture));
    final MultiShotLatch offerSlotsLatch = new MultiShotLatch();
    final TestingJobMasterGateway jobMasterGateway = new TestingJobMasterGatewayBuilder().setOfferSlotsFunction((resourceID, slotOffers) -> {
        offerSlotsLatch.trigger();
        return slotOfferResponses.remove();
    }).build();
    rpc.registerGateway(resourceManagerGateway.getAddress(), resourceManagerGateway);
    rpc.registerGateway(jobMasterGateway.getAddress(), jobMasterGateway);
    final TaskSlotTable<Task> taskSlotTable = TaskSlotUtils.createTaskSlotTable(2);
    final TaskManagerServices taskManagerServices = createTaskManagerServicesWithTaskSlotTable(taskSlotTable);
    final TestingTaskExecutor taskExecutor = createTestingTaskExecutor(taskManagerServices);
    final ThreadSafeTaskSlotTable<Task> threadSafeTaskSlotTable = new ThreadSafeTaskSlotTable<>(taskSlotTable, taskExecutor.getMainThreadExecutableForTesting());
    final SlotOffer slotOffer1 = new SlotOffer(new AllocationID(), 0, ResourceProfile.ANY);
    final SlotOffer slotOffer2 = new SlotOffer(new AllocationID(), 1, ResourceProfile.ANY);
    try {
        taskExecutor.start();
        taskExecutor.waitUntilStarted();
        final TaskExecutorGateway tmGateway = taskExecutor.getSelfGateway(TaskExecutorGateway.class);
        // wait until task executor registered at the RM
        taskExecutorIsRegistered.await();
        // notify job leader to start slot offering
        jobManagerLeaderRetriever.notifyListener(jobMasterGateway.getAddress(), jobMasterGateway.getFencingToken().toUUID());
        // request the first slot
        requestSlot(tmGateway, jobId, slotOffer1.getAllocationId(), buildSlotID(slotOffer1.getSlotIndex()), ResourceProfile.UNKNOWN, jobMasterGateway.getAddress(), resourceManagerGateway.getFencingToken());
        // wait until first slot offer as arrived
        offerSlotsLatch.await();
        // request second slot, triggering another offer containing both slots
        int slotIndex = slotOffer2.getSlotIndex();
        requestSlot(tmGateway, jobId, slotOffer2.getAllocationId(), buildSlotID(slotIndex), ResourceProfile.UNKNOWN, jobMasterGateway.getAddress(), resourceManagerGateway.getFencingToken());
        // wait until second slot offer as arrived
        offerSlotsLatch.await();
        switch(responseOrder) {
            case ACCEPT_THEN_REJECT:
                // accept the first offer, but reject both slots for the second offer
                firstOfferResponseFuture.complete(Collections.singletonList(slotOffer1));
                assertThat(threadSafeTaskSlotTable.getActiveTaskSlotAllocationIdsPerJob(jobId), empty());
                secondOfferResponseFuture.complete(Collections.emptyList());
                assertThat(threadSafeTaskSlotTable.getAllocationIdsPerJob(jobId), empty());
                return;
            case REJECT_THEN_ACCEPT:
                // fail the first offer, but accept both slots for the second offer
                // in the past the rejection of the first offer freed the slot; when the slot is
                // accepted from the second offer the activation of said slot then failed
                firstOfferResponseFuture.complete(Collections.emptyList());
                secondOfferResponseFuture.complete(Arrays.asList(slotOffer1, slotOffer2));
                assertThat(threadSafeTaskSlotTable.getAllocationIdsPerJob(jobId), containsInAnyOrder(slotOffer1.getAllocationId(), slotOffer2.getAllocationId()));
                return;
        }
    } finally {
        RpcUtils.terminateRpcEndpoint(taskExecutor, timeout);
    }
}

Example 3 with ThreadSafeTaskSlotTable

use of org.apache.flink.runtime.taskexecutor.slot.ThreadSafeTaskSlotTable in project flink by apache.

the class TaskExecutorTest method testSlotOfferCounterIsSeparatedByJob.

@Test
public void testSlotOfferCounterIsSeparatedByJob() throws Exception {
    final OneShotLatch taskExecutorIsRegistered = new OneShotLatch();
    final TestingResourceManagerGateway resourceManagerGateway = createRmWithTmRegisterAndNotifySlotHooks(new InstanceID(), taskExecutorIsRegistered, new CompletableFuture<>());
    final CompletableFuture<Collection<SlotOffer>> firstOfferResponseFuture = new CompletableFuture<>();
    final CompletableFuture<Collection<SlotOffer>> secondOfferResponseFuture = new CompletableFuture<>();
    final Queue<CompletableFuture<Collection<SlotOffer>>> slotOfferResponses = new ArrayDeque<>(Arrays.asList(firstOfferResponseFuture, secondOfferResponseFuture));
    final MultiShotLatch offerSlotsLatch = new MultiShotLatch();
    final TestingJobMasterGateway jobMasterGateway1 = new TestingJobMasterGatewayBuilder().setAddress("jm1").setOfferSlotsFunction((resourceID, slotOffers) -> {
        offerSlotsLatch.trigger();
        return slotOfferResponses.remove();
    }).build();
    final TestingJobMasterGateway jobMasterGateway2 = new TestingJobMasterGatewayBuilder().setAddress("jm2").setOfferSlotsFunction((resourceID, slotOffers) -> {
        offerSlotsLatch.trigger();
        return slotOfferResponses.remove();
    }).build();
    rpc.registerGateway(resourceManagerGateway.getAddress(), resourceManagerGateway);
    rpc.registerGateway(jobMasterGateway1.getAddress(), jobMasterGateway1);
    rpc.registerGateway(jobMasterGateway2.getAddress(), jobMasterGateway2);
    final TaskSlotTable<Task> taskSlotTable = TaskSlotUtils.createTaskSlotTable(2);
    final TaskManagerServices taskManagerServices = createTaskManagerServicesWithTaskSlotTable(taskSlotTable);
    final TestingTaskExecutor taskExecutor = createTestingTaskExecutor(taskManagerServices);
    final ThreadSafeTaskSlotTable<Task> threadSafeTaskSlotTable = new ThreadSafeTaskSlotTable<>(taskSlotTable, taskExecutor.getMainThreadExecutableForTesting());
    final SlotOffer slotOffer1 = new SlotOffer(new AllocationID(), 0, ResourceProfile.ANY);
    final SlotOffer slotOffer2 = new SlotOffer(new AllocationID(), 1, ResourceProfile.ANY);
    try {
        taskExecutor.start();
        taskExecutor.waitUntilStarted();
        final TaskExecutorGateway tmGateway = taskExecutor.getSelfGateway(TaskExecutorGateway.class);
        // wait until task executor registered at the RM
        taskExecutorIsRegistered.await();
        // notify job leader to start slot offering
        jobManagerLeaderRetriever.notifyListener(jobMasterGateway1.getAddress(), jobMasterGateway1.getFencingToken().toUUID());
        jobManagerLeaderRetriever2.notifyListener(jobMasterGateway2.getAddress(), jobMasterGateway2.getFencingToken().toUUID());
        // request the first slot
        requestSlot(tmGateway, jobId, slotOffer1.getAllocationId(), buildSlotID(slotOffer1.getSlotIndex()), ResourceProfile.UNKNOWN, jobMasterGateway1.getAddress(), resourceManagerGateway.getFencingToken());
        // wait until first slot offer as arrived
        offerSlotsLatch.await();
        // request second slot, triggering another offer containing both slots
        requestSlot(tmGateway, jobId2, slotOffer2.getAllocationId(), buildSlotID(slotOffer2.getSlotIndex()), ResourceProfile.UNKNOWN, jobMasterGateway2.getAddress(), resourceManagerGateway.getFencingToken());
        // wait until second slot offer as arrived
        offerSlotsLatch.await();
        firstOfferResponseFuture.complete(Collections.singletonList(slotOffer1));
        secondOfferResponseFuture.complete(Collections.singletonList(slotOffer2));
        assertThat(threadSafeTaskSlotTable.getActiveTaskSlotAllocationIdsPerJob(jobId), contains(slotOffer1.getAllocationId()));
        assertThat(threadSafeTaskSlotTable.getActiveTaskSlotAllocationIdsPerJob(jobId2), contains(slotOffer2.getAllocationId()));
    } finally {
        RpcUtils.terminateRpcEndpoint(taskExecutor, timeout);
    }
}