Examples with JetService com.hazelcast.jet.impl.JetService used on opensource projects

Example 11 with JetService

use of com.hazelcast.jet.impl.JetService in project hazelcast-jet by hazelcast.

the class ExecutionLifecycleTest method getJobResult.

private JobResult getJobResult(Job job) {
    JetService jetService = getJetService(instance);
    assertNull(jetService.getJobRepository().getJobRecord(job.getId()));
    JobResult jobResult = jetService.getJobRepository().getJobResult(job.getId());
    assertNotNull(jobResult);
    return jobResult;
}

Example 12 with JetService

use of com.hazelcast.jet.impl.JetService in project hazelcast-jet by hazelcast.

the class SplitBrainTest method when_quorumIsLostOnMinority_then_jobRestartsUntilMerge.

@Test
public void when_quorumIsLostOnMinority_then_jobRestartsUntilMerge() {
    int firstSubClusterSize = 3;
    int secondSubClusterSize = 2;
    int clusterSize = firstSubClusterSize + secondSubClusterSize;
    StuckProcessor.executionStarted = new CountDownLatch(clusterSize * PARALLELISM);
    Job[] jobRef = new Job[1];
    Consumer<JetInstance[]> beforeSplit = instances -> {
        MockPS processorSupplier = new MockPS(StuckProcessor::new, clusterSize);
        DAG dag = new DAG().vertex(new Vertex("test", processorSupplier));
        jobRef[0] = instances[0].newJob(dag, new JobConfig().setSplitBrainProtection(true));
        assertOpenEventually(StuckProcessor.executionStarted);
    };
    Future[] minorityJobFutureRef = new Future[1];
    BiConsumer<JetInstance[], JetInstance[]> onSplit = (firstSubCluster, secondSubCluster) -> {
        StuckProcessor.proceedLatch.countDown();
        assertTrueEventually(() -> assertEquals(clusterSize + firstSubClusterSize, MockPS.initCount.get()));
        long jobId = jobRef[0].getId();
        assertTrueEventually(() -> {
            JetService service = getJetService(firstSubCluster[0]);
            assertEquals(COMPLETED, service.getJobCoordinationService().getJobStatus(jobId));
        });
        JetService service2 = getJetService(secondSubCluster[0]);
        assertTrueEventually(() -> {
            assertEquals(STARTING, service2.getJobCoordinationService().getJobStatus(jobId));
        });
        MasterContext masterContext = service2.getJobCoordinationService().getMasterContext(jobId);
        assertNotNull(masterContext);
        minorityJobFutureRef[0] = masterContext.completionFuture();
        assertTrueAllTheTime(() -> {
            assertEquals(STARTING, service2.getJobCoordinationService().getJobStatus(jobId));
        }, 20);
    };
    Consumer<JetInstance[]> afterMerge = instances -> {
        assertTrueEventually(() -> {
            assertEquals(clusterSize + firstSubClusterSize, MockPS.initCount.get());
            assertEquals(clusterSize + firstSubClusterSize, MockPS.closeCount.get());
        });
        assertEquals(clusterSize, MockPS.receivedCloseErrors.size());
        MockPS.receivedCloseErrors.forEach(t -> assertTrue(t instanceof TopologyChangedException));
        try {
            minorityJobFutureRef[0].get();
            fail();
        } catch (CancellationException ignored) {
        } catch (Exception e) {
            throw new AssertionError(e);
        }
    };
    testSplitBrain(firstSubClusterSize, secondSubClusterSize, beforeSplit, onSplit, afterMerge);
}

Example 13 with JetService

use of com.hazelcast.jet.impl.JetService in project hazelcast-jet by hazelcast.

the class SplitBrainTest method when_quorumIsLostOnBothSides_then_jobRestartsUntilMerge.

@Test
public void when_quorumIsLostOnBothSides_then_jobRestartsUntilMerge() {
    int firstSubClusterSize = 2;
    int secondSubClusterSize = 2;
    int clusterSize = firstSubClusterSize + secondSubClusterSize;
    StuckProcessor.executionStarted = new CountDownLatch(clusterSize * PARALLELISM);
    Job[] jobRef = new Job[1];
    Consumer<JetInstance[]> beforeSplit = instances -> {
        MockPS processorSupplier = new MockPS(StuckProcessor::new, clusterSize);
        DAG dag = new DAG().vertex(new Vertex("test", processorSupplier));
        jobRef[0] = instances[0].newJob(dag, new JobConfig().setSplitBrainProtection(true));
        assertOpenEventually(StuckProcessor.executionStarted);
    };
    BiConsumer<JetInstance[], JetInstance[]> onSplit = (firstSubCluster, secondSubCluster) -> {
        StuckProcessor.proceedLatch.countDown();
        long jobId = jobRef[0].getId();
        assertTrueEventually(() -> {
            JetService service1 = getJetService(firstSubCluster[0]);
            JetService service2 = getJetService(secondSubCluster[0]);
            assertEquals(RESTARTING, service1.getJobCoordinationService().getJobStatus(jobId));
            assertEquals(STARTING, service2.getJobCoordinationService().getJobStatus(jobId));
        });
        assertTrueAllTheTime(() -> {
            JetService service1 = getJetService(firstSubCluster[0]);
            JetService service2 = getJetService(secondSubCluster[0]);
            assertEquals(RESTARTING, service1.getJobCoordinationService().getJobStatus(jobId));
            assertEquals(STARTING, service2.getJobCoordinationService().getJobStatus(jobId));
        }, 20);
    };
    Consumer<JetInstance[]> afterMerge = instances -> {
        assertTrueEventually(() -> {
            assertEquals(clusterSize * 2, MockPS.initCount.get());
            assertEquals(clusterSize * 2, MockPS.closeCount.get());
        });
        assertEquals(clusterSize, MockPS.receivedCloseErrors.size());
        MockPS.receivedCloseErrors.forEach(t -> assertTrue(t instanceof TopologyChangedException));
    };
    testSplitBrain(firstSubClusterSize, secondSubClusterSize, beforeSplit, onSplit, afterMerge);
}

Example 14 with JetService

use of com.hazelcast.jet.impl.JetService in project hazelcast-jet by hazelcast.

the class TopologyChangeTest method when_nodeIsShuttingDownDuringInit_then_jobRestarts.

@Test
public void when_nodeIsShuttingDownDuringInit_then_jobRestarts() {
    // Given that newInstance will have a long shutdown process
    for (JetInstance instance : instances) {
        warmUpPartitions(instance.getHazelcastInstance());
    }
    dropOperationsBetween(instances[2].getHazelcastInstance(), instances[0].getHazelcastInstance(), PartitionDataSerializerHook.F_ID, singletonList(SHUTDOWN_REQUEST));
    rejectOperationsBetween(instances[0].getHazelcastInstance(), instances[2].getHazelcastInstance(), JetInitDataSerializerHook.FACTORY_ID, singletonList(INIT_EXECUTION_OP));
    // When a job participant starts its shutdown after the job is submitted
    DAG dag = new DAG().vertex(new Vertex("test", new MockPS(TestProcessors.Identity::new, nodeCount - 1)));
    Job job = instances[0].newJob(dag);
    JetService jetService = getJetService(instances[0]);
    assertTrueEventually(() -> assertFalse(jetService.getJobCoordinationService().getMasterContexts().isEmpty()));
    spawn(instances[2]::shutdown);
    // Then, it restarts until the shutting down node is gone
    assertTrueEventually(() -> assertEquals(STARTING, job.getStatus()));
    assertTrueAllTheTime(() -> assertEquals(STARTING, job.getStatus()), 5);
    resetPacketFiltersFrom(instances[2].getHazelcastInstance());
    job.join();
}

Example 15 with JetService

use of com.hazelcast.jet.impl.JetService in project hazelcast-jet by hazelcast.

the class AsyncOperation method beforeRun.

@Override
public void beforeRun() throws Exception {
    JetService service = getService();
    service.getLiveOperationRegistry().register(this);
}