Examples with JetInstance com.hazelcast.jet.JetInstance used on opensource projects

Example 11 with JetInstance

use of com.hazelcast.jet.JetInstance in project hazelcast-jet by hazelcast.

the class ManualRestartTest method testJobRestartWhenJobIsRunning.

private void testJobRestartWhenJobIsRunning(boolean autoRestartOnMemberFailureEnabled) {
    // Given that the job is running
    JetInstance client = createJetClient();
    Job job = client.newJob(dag, new JobConfig().setAutoRestartOnMemberFailure(autoRestartOnMemberFailureEnabled));
    assertTrueEventually(() -> {
        assertEquals(NODE_COUNT, MockPS.initCount.get());
    });
    // When the job is restarted after new members join to the cluster
    int newMemberCount = 2;
    for (int i = 0; i < newMemberCount; i++) {
        createJetMember();
    }
    job.restart();
    // Then, the job restarts
    int initCount = NODE_COUNT * 2 + newMemberCount;
    assertTrueEventually(() -> {
        assertEquals(initCount, MockPS.initCount.get());
    });
}

Example 12 with JetInstance

use of com.hazelcast.jet.JetInstance in project hazelcast-jet by hazelcast.

the class OperationTimeoutTest method when_slowRunningOperationOnSingleNode_then_doesNotTimeout.

@Test
public void when_slowRunningOperationOnSingleNode_then_doesNotTimeout() throws Throwable {
    // Given
    JetInstance instance = createJetMember(config);
    DAG dag = new DAG();
    dag.newVertex("slow", SlowProcessor::new);
    // When
    executeAndPeel(instance.newJob(dag));
}

Example 13 with JetInstance

use of com.hazelcast.jet.JetInstance in project hazelcast-jet by hazelcast.

the class HazelcastConnectorTest method setup.

@Before
public void setup() {
    JetConfig jetConfig = new JetConfig();
    Config hazelcastConfig = jetConfig.getHazelcastConfig();
    hazelcastConfig.addCacheConfig(new CacheSimpleConfig().setName("*"));
    hazelcastConfig.addEventJournalConfig(new EventJournalConfig().setCacheName("stream*").setMapName("stream*"));
    jetInstance = createJetMember(jetConfig);
    JetInstance jetInstance2 = createJetMember(jetConfig);
    sourceName = randomString();
    sinkName = randomString();
    streamSourceName = "stream" + sourceName;
    streamSinkName = "stream" + sinkName;
    // workaround for `cache is not created` exception, create cache locally on all nodes
    JetCacheManager cacheManager = jetInstance2.getCacheManager();
    cacheManager.getCache(sourceName);
    cacheManager.getCache(sinkName);
    cacheManager.getCache(streamSourceName);
    cacheManager.getCache(streamSinkName);
}

Example 14 with JetInstance

use of com.hazelcast.jet.JetInstance 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 15 with JetInstance

use of com.hazelcast.jet.JetInstance 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);
}