use of org.apache.flink.runtime.jobgraph.JobGraph in project flink by apache.
the class ExecutionGraphMetricsTest method testExecutionGraphRestartTimeMetric.
/**
* This test tests that the restarting time metric correctly displays restarting times.
*/
@Test
public void testExecutionGraphRestartTimeMetric() throws JobException, IOException, InterruptedException {
final ScheduledExecutorService executor = Executors.newSingleThreadScheduledExecutor();
try {
// setup execution graph with mocked scheduling logic
int parallelism = 1;
JobVertex jobVertex = new JobVertex("TestVertex");
jobVertex.setParallelism(parallelism);
jobVertex.setInvokableClass(NoOpInvokable.class);
JobGraph jobGraph = new JobGraph("Test Job", jobVertex);
Configuration config = new Configuration();
config.setString(ConfigConstants.METRICS_REPORTERS_LIST, "test");
config.setString(ConfigConstants.METRICS_REPORTER_PREFIX + "test." + ConfigConstants.METRICS_REPORTER_CLASS_SUFFIX, TestingReporter.class.getName());
Configuration jobConfig = new Configuration();
Time timeout = Time.seconds(10L);
MetricRegistry metricRegistry = new MetricRegistry(MetricRegistryConfiguration.fromConfiguration(config));
assertTrue(metricRegistry.getReporters().size() == 1);
MetricReporter reporter = metricRegistry.getReporters().get(0);
assertTrue(reporter instanceof TestingReporter);
TestingReporter testingReporter = (TestingReporter) reporter;
MetricGroup metricGroup = new JobManagerMetricGroup(metricRegistry, "localhost");
Scheduler scheduler = mock(Scheduler.class);
ResourceID taskManagerId = ResourceID.generate();
TaskManagerLocation taskManagerLocation = mock(TaskManagerLocation.class);
when(taskManagerLocation.getResourceID()).thenReturn(taskManagerId);
when(taskManagerLocation.getHostname()).thenReturn("localhost");
TaskManagerGateway taskManagerGateway = mock(TaskManagerGateway.class);
Instance instance = mock(Instance.class);
when(instance.getTaskManagerLocation()).thenReturn(taskManagerLocation);
when(instance.getTaskManagerID()).thenReturn(taskManagerId);
when(instance.getTaskManagerGateway()).thenReturn(taskManagerGateway);
Slot rootSlot = mock(Slot.class);
AllocatedSlot mockAllocatedSlot = mock(AllocatedSlot.class);
when(mockAllocatedSlot.getSlotAllocationId()).thenReturn(new AllocationID());
SimpleSlot simpleSlot = mock(SimpleSlot.class);
when(simpleSlot.isAlive()).thenReturn(true);
when(simpleSlot.getTaskManagerLocation()).thenReturn(taskManagerLocation);
when(simpleSlot.getTaskManagerID()).thenReturn(taskManagerId);
when(simpleSlot.getTaskManagerGateway()).thenReturn(taskManagerGateway);
when(simpleSlot.setExecutedVertex(Matchers.any(Execution.class))).thenReturn(true);
when(simpleSlot.getRoot()).thenReturn(rootSlot);
when(simpleSlot.getAllocatedSlot()).thenReturn(mockAllocatedSlot);
FlinkCompletableFuture<SimpleSlot> future = new FlinkCompletableFuture<>();
future.complete(simpleSlot);
when(scheduler.allocateSlot(any(ScheduledUnit.class), anyBoolean())).thenReturn(future);
when(rootSlot.getSlotNumber()).thenReturn(0);
when(taskManagerGateway.submitTask(any(TaskDeploymentDescriptor.class), any(Time.class))).thenReturn(FlinkCompletableFuture.completed(Acknowledge.get()));
TestingRestartStrategy testingRestartStrategy = new TestingRestartStrategy();
ExecutionGraph executionGraph = new ExecutionGraph(executor, executor, jobGraph.getJobID(), jobGraph.getName(), jobConfig, new SerializedValue<ExecutionConfig>(null), timeout, testingRestartStrategy, Collections.<BlobKey>emptyList(), Collections.<URL>emptyList(), scheduler, getClass().getClassLoader(), metricGroup);
// get restarting time metric
Metric metric = testingReporter.getMetric(ExecutionGraph.RESTARTING_TIME_METRIC_NAME);
assertNotNull(metric);
assertTrue(metric instanceof Gauge);
@SuppressWarnings("unchecked") Gauge<Long> restartingTime = (Gauge<Long>) metric;
// check that the restarting time is 0 since it's the initial start
assertTrue(0L == restartingTime.getValue());
executionGraph.attachJobGraph(jobGraph.getVerticesSortedTopologicallyFromSources());
// start execution
executionGraph.scheduleForExecution();
assertTrue(0L == restartingTime.getValue());
List<ExecutionAttemptID> executionIDs = new ArrayList<>();
for (ExecutionVertex executionVertex : executionGraph.getAllExecutionVertices()) {
executionIDs.add(executionVertex.getCurrentExecutionAttempt().getAttemptId());
}
// tell execution graph that the tasks are in state running --> job status switches to state running
for (ExecutionAttemptID executionID : executionIDs) {
executionGraph.updateState(new TaskExecutionState(jobGraph.getJobID(), executionID, ExecutionState.RUNNING));
}
assertEquals(JobStatus.RUNNING, executionGraph.getState());
assertTrue(0L == restartingTime.getValue());
// fail the job so that it goes into state restarting
for (ExecutionAttemptID executionID : executionIDs) {
executionGraph.updateState(new TaskExecutionState(jobGraph.getJobID(), executionID, ExecutionState.FAILED, new Exception()));
}
assertEquals(JobStatus.RESTARTING, executionGraph.getState());
long firstRestartingTimestamp = executionGraph.getStatusTimestamp(JobStatus.RESTARTING);
// wait some time so that the restarting time gauge shows a value different from 0
Thread.sleep(50);
long previousRestartingTime = restartingTime.getValue();
// check that the restarting time is monotonically increasing
for (int i = 0; i < 10; i++) {
long currentRestartingTime = restartingTime.getValue();
assertTrue(currentRestartingTime >= previousRestartingTime);
previousRestartingTime = currentRestartingTime;
}
// check that we have measured some restarting time
assertTrue(previousRestartingTime > 0);
// restart job
testingRestartStrategy.restartExecutionGraph();
executionIDs.clear();
for (ExecutionVertex executionVertex : executionGraph.getAllExecutionVertices()) {
executionIDs.add(executionVertex.getCurrentExecutionAttempt().getAttemptId());
}
for (ExecutionAttemptID executionID : executionIDs) {
executionGraph.updateState(new TaskExecutionState(jobGraph.getJobID(), executionID, ExecutionState.RUNNING));
}
assertEquals(JobStatus.RUNNING, executionGraph.getState());
assertTrue(firstRestartingTimestamp != 0);
previousRestartingTime = restartingTime.getValue();
// check that the restarting time does not increase after we've reached the running state
for (int i = 0; i < 10; i++) {
long currentRestartingTime = restartingTime.getValue();
assertTrue(currentRestartingTime == previousRestartingTime);
previousRestartingTime = currentRestartingTime;
}
// fail job again
for (ExecutionAttemptID executionID : executionIDs) {
executionGraph.updateState(new TaskExecutionState(jobGraph.getJobID(), executionID, ExecutionState.FAILED, new Exception()));
}
assertEquals(JobStatus.RESTARTING, executionGraph.getState());
long secondRestartingTimestamp = executionGraph.getStatusTimestamp(JobStatus.RESTARTING);
assertTrue(firstRestartingTimestamp != secondRestartingTimestamp);
Thread.sleep(50);
previousRestartingTime = restartingTime.getValue();
// check that the restarting time is increasing again
for (int i = 0; i < 10; i++) {
long currentRestartingTime = restartingTime.getValue();
assertTrue(currentRestartingTime >= previousRestartingTime);
previousRestartingTime = currentRestartingTime;
}
assertTrue(previousRestartingTime > 0);
// now lets fail the job while it is in restarting and see whether the restarting time then stops to increase
// for this to work, we have to use a SuppressRestartException
executionGraph.fail(new SuppressRestartsException(new Exception()));
assertEquals(JobStatus.FAILED, executionGraph.getState());
previousRestartingTime = restartingTime.getValue();
for (int i = 0; i < 10; i++) {
long currentRestartingTime = restartingTime.getValue();
assertTrue(currentRestartingTime == previousRestartingTime);
previousRestartingTime = currentRestartingTime;
}
} finally {
executor.shutdownNow();
}
}
use of org.apache.flink.runtime.jobgraph.JobGraph 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);
}
use of org.apache.flink.runtime.jobgraph.JobGraph 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);
}
use of org.apache.flink.runtime.jobgraph.JobGraph 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());
}
use of org.apache.flink.runtime.jobgraph.JobGraph in project flink by apache.
the class ExecutionVertexLocalityTest method createTestGraph.
// ------------------------------------------------------------------------
// Utilities
// ------------------------------------------------------------------------
/**
* Creates a simple 2 vertex graph with a parallel source and a parallel target.
*/
private ExecutionGraph createTestGraph(int parallelism, boolean allToAll) throws Exception {
JobVertex source = new JobVertex("source", sourceVertexId);
source.setParallelism(parallelism);
source.setInvokableClass(NoOpInvokable.class);
JobVertex target = new JobVertex("source", targetVertexId);
target.setParallelism(parallelism);
target.setInvokableClass(NoOpInvokable.class);
DistributionPattern connectionPattern = allToAll ? DistributionPattern.ALL_TO_ALL : DistributionPattern.POINTWISE;
target.connectNewDataSetAsInput(source, connectionPattern, ResultPartitionType.PIPELINED);
JobGraph testJob = new JobGraph(jobId, "test job", source, target);
return ExecutionGraphBuilder.buildGraph(null, testJob, new Configuration(), TestingUtils.defaultExecutor(), TestingUtils.defaultExecutor(), mock(SlotProvider.class), getClass().getClassLoader(), new StandaloneCheckpointRecoveryFactory(), Time.of(10, TimeUnit.SECONDS), new FixedDelayRestartStrategy(10, 0L), new UnregisteredMetricsGroup(), 1, log);
}
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