Examples with Instance org.apache.flink.runtime.instance.Instance used on opensource projects

Example 11 with Instance

use of org.apache.flink.runtime.instance.Instance in project flink by apache.

the class ExecutionGraphRestartTest method createExecutionGraph.

private static Tuple2<ExecutionGraph, Instance> createExecutionGraph(RestartStrategy restartStrategy, boolean isSpy) throws Exception {
    Instance instance = ExecutionGraphTestUtils.getInstance(new ActorTaskManagerGateway(new SimpleActorGateway(TestingUtils.directExecutionContext())), NUM_TASKS);
    Scheduler scheduler = new Scheduler(TestingUtils.defaultExecutionContext());
    scheduler.newInstanceAvailable(instance);
    JobVertex sender = newJobVertex("Task", NUM_TASKS, NoOpInvokable.class);
    JobGraph jobGraph = new JobGraph("Pointwise job", sender);
    ExecutionGraph eg = newExecutionGraph(restartStrategy, scheduler);
    if (isSpy) {
        eg = spy(eg);
    }
    eg.attachJobGraph(jobGraph.getVerticesSortedTopologicallyFromSources());
    assertEquals(JobStatus.CREATED, eg.getState());
    eg.scheduleForExecution();
    assertEquals(JobStatus.RUNNING, eg.getState());
    return new Tuple2<>(eg, instance);
}

Example 12 with Instance

use of org.apache.flink.runtime.instance.Instance in project flink by apache.

the class ExecutionGraphRestartTest method testConstraintsAfterRestart.

@Test
public void testConstraintsAfterRestart() throws Exception {
    //setting up
    Instance instance = ExecutionGraphTestUtils.getInstance(new ActorTaskManagerGateway(new SimpleActorGateway(TestingUtils.directExecutionContext())), NUM_TASKS);
    Scheduler scheduler = new Scheduler(TestingUtils.defaultExecutionContext());
    scheduler.newInstanceAvailable(instance);
    JobVertex groupVertex = newJobVertex("Task1", NUM_TASKS, NoOpInvokable.class);
    JobVertex groupVertex2 = newJobVertex("Task2", NUM_TASKS, NoOpInvokable.class);
    SlotSharingGroup sharingGroup = new SlotSharingGroup();
    groupVertex.setSlotSharingGroup(sharingGroup);
    groupVertex2.setSlotSharingGroup(sharingGroup);
    groupVertex.setStrictlyCoLocatedWith(groupVertex2);
    //initiate and schedule job
    JobGraph jobGraph = new JobGraph("Pointwise job", groupVertex, groupVertex2);
    ExecutionGraph eg = newExecutionGraph(new FixedDelayRestartStrategy(1, 0L), scheduler);
    eg.attachJobGraph(jobGraph.getVerticesSortedTopologicallyFromSources());
    assertEquals(JobStatus.CREATED, eg.getState());
    eg.scheduleForExecution();
    assertEquals(JobStatus.RUNNING, eg.getState());
    //sanity checks
    validateConstraints(eg);
    //restart automatically
    restartAfterFailure(eg, new FiniteDuration(2, TimeUnit.MINUTES), false);
    //checking execution vertex properties
    validateConstraints(eg);
    haltExecution(eg);
}

Example 13 with Instance

use of org.apache.flink.runtime.instance.Instance in project flink by apache.

the class ExecutionGraphRestartTest method testFailExecutionGraphAfterCancel.

/**
	 * Tests that it is possible to fail a graph via a call to
	 * {@link ExecutionGraph#fail(Throwable)} after cancellation.
	 */
@Test
public void testFailExecutionGraphAfterCancel() throws Exception {
    Instance instance = ExecutionGraphTestUtils.getInstance(new ActorTaskManagerGateway(new SimpleActorGateway(TestingUtils.directExecutionContext())), 2);
    Scheduler scheduler = new Scheduler(TestingUtils.defaultExecutionContext());
    scheduler.newInstanceAvailable(instance);
    JobVertex vertex = newJobVertex("Test Vertex", 1, NoOpInvokable.class);
    ExecutionConfig executionConfig = new ExecutionConfig();
    executionConfig.setRestartStrategy(RestartStrategies.fixedDelayRestart(Integer.MAX_VALUE, Integer.MAX_VALUE));
    JobGraph jobGraph = new JobGraph("Test Job", vertex);
    jobGraph.setExecutionConfig(executionConfig);
    ExecutionGraph eg = newExecutionGraph(new InfiniteDelayRestartStrategy(), scheduler);
    eg.attachJobGraph(jobGraph.getVerticesSortedTopologicallyFromSources());
    assertEquals(JobStatus.CREATED, eg.getState());
    eg.scheduleForExecution();
    assertEquals(JobStatus.RUNNING, eg.getState());
    // Fail right after cancel (for example with concurrent slot release)
    eg.cancel();
    assertEquals(JobStatus.CANCELLING, eg.getState());
    eg.fail(new Exception("Test Exception"));
    assertEquals(JobStatus.FAILING, eg.getState());
    Execution execution = eg.getAllExecutionVertices().iterator().next().getCurrentExecutionAttempt();
    execution.cancelingComplete();
    assertEquals(JobStatus.RESTARTING, eg.getState());
}

Example 14 with Instance

use of org.apache.flink.runtime.instance.Instance in project flink by apache.

the class ExecutionGraphRestartTest method testFailingExecutionAfterRestart.

/**
	 * Tests that a failing execution does not affect a restarted job. This is important if a
	 * callback handler fails an execution after it has already reached a final state and the job
	 * has been restarted.
	 */
@Test
public void testFailingExecutionAfterRestart() throws Exception {
    Instance instance = ExecutionGraphTestUtils.getInstance(new ActorTaskManagerGateway(new SimpleActorGateway(TestingUtils.directExecutionContext())), 2);
    Scheduler scheduler = new Scheduler(TestingUtils.defaultExecutionContext());
    scheduler.newInstanceAvailable(instance);
    JobVertex sender = newJobVertex("Task1", 1, NoOpInvokable.class);
    JobVertex receiver = newJobVertex("Task2", 1, NoOpInvokable.class);
    JobGraph jobGraph = new JobGraph("Pointwise job", sender, receiver);
    ExecutionGraph eg = newExecutionGraph(new FixedDelayRestartStrategy(1, 1000), scheduler);
    eg.attachJobGraph(jobGraph.getVerticesSortedTopologicallyFromSources());
    assertEquals(JobStatus.CREATED, eg.getState());
    eg.scheduleForExecution();
    assertEquals(JobStatus.RUNNING, eg.getState());
    Iterator<ExecutionVertex> executionVertices = eg.getAllExecutionVertices().iterator();
    Execution finishedExecution = executionVertices.next().getCurrentExecutionAttempt();
    Execution failedExecution = executionVertices.next().getCurrentExecutionAttempt();
    finishedExecution.markFinished();
    failedExecution.fail(new Exception("Test Exception"));
    failedExecution.cancelingComplete();
    FiniteDuration timeout = new FiniteDuration(2, TimeUnit.MINUTES);
    waitForAsyncRestart(eg, timeout);
    assertEquals(JobStatus.RUNNING, eg.getState());
    // Wait for all resources to be assigned after async restart
    waitForAllResourcesToBeAssignedAfterAsyncRestart(eg, timeout.fromNow());
    // At this point all resources have been assigned
    for (ExecutionVertex vertex : eg.getAllExecutionVertices()) {
        assertNotNull("No assigned resource (test instability).", vertex.getCurrentAssignedResource());
        vertex.getCurrentExecutionAttempt().switchToRunning();
    }
    // fail old finished execution, this should not affect the execution
    finishedExecution.fail(new Exception("This should have no effect"));
    for (ExecutionVertex vertex : eg.getAllExecutionVertices()) {
        vertex.getCurrentExecutionAttempt().markFinished();
    }
    // the state of the finished execution should have not changed since it is terminal
    assertEquals(ExecutionState.FINISHED, finishedExecution.getState());
    assertEquals(JobStatus.FINISHED, eg.getState());
}

Example 15 with Instance

use of org.apache.flink.runtime.instance.Instance in project flink by apache.

the class ExecutionGraphRestartTest method testCancelWhileRestarting.

@Test
public void testCancelWhileRestarting() throws Exception {
    // We want to manually control the restart and delay
    RestartStrategy restartStrategy = new InfiniteDelayRestartStrategy();
    Tuple2<ExecutionGraph, Instance> executionGraphInstanceTuple = createExecutionGraph(restartStrategy);
    ExecutionGraph executionGraph = executionGraphInstanceTuple.f0;
    Instance instance = executionGraphInstanceTuple.f1;
    // Kill the instance and wait for the job to restart
    instance.markDead();
    Deadline deadline = TestingUtils.TESTING_DURATION().fromNow();
    while (deadline.hasTimeLeft() && executionGraph.getState() != JobStatus.RESTARTING) {
        Thread.sleep(100);
    }
    assertEquals(JobStatus.RESTARTING, executionGraph.getState());
    // Canceling needs to abort the restart
    executionGraph.cancel();
    assertEquals(JobStatus.CANCELED, executionGraph.getState());
    // The restart has been aborted
    executionGraph.restart();
    assertEquals(JobStatus.CANCELED, executionGraph.getState());
}