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

Example 6 with JetServiceBackend

use of com.hazelcast.jet.impl.JetServiceBackend in project hazelcast by hazelcast.

the class SnapshotPhase2Operation method doRun.

@Override
protected CompletableFuture<Void> doRun() {
    JetServiceBackend service = getJetServiceBackend();
    ExecutionContext ctx = service.getJobExecutionService().assertExecutionContext(getCallerAddress(), jobId(), executionId, getClass().getSimpleName());
    assert !ctx.isLightJob() : "snapshot phase 2 started on a light job: " + idToString(executionId);
    return ctx.beginSnapshotPhase2(snapshotId, success).whenComplete((r, t) -> {
        if (t != null) {
            getLogger().warning(String.format("Snapshot %d phase 2 for %s finished with an error on member: %s", snapshotId, ctx.jobNameAndExecutionId(), t), t);
        } else {
            logFine(getLogger(), "Snapshot %s phase 2 for %s finished successfully on member", snapshotId, ctx.jobNameAndExecutionId());
        }
    });
}

Example 7 with JetServiceBackend

use of com.hazelcast.jet.impl.JetServiceBackend in project hazelcast by hazelcast.

the class GetLocalJobMetricsOperation method run.

@Override
public void run() {
    JetServiceBackend service = getJetServiceBackend();
    ExecutionContext executionContext = service.getJobExecutionService().getExecutionContext(executionId);
    if (executionContext == null) {
        throw new ExecutionNotFoundException(executionId);
    }
    response = executionContext.getJobMetrics();
}

Example 8 with JetServiceBackend

use of com.hazelcast.jet.impl.JetServiceBackend in project hazelcast by hazelcast.

the class TerminateExecutionOperation method run.

@Override
public void run() {
    JetServiceBackend service = getJetServiceBackend();
    JobExecutionService executionService = service.getJobExecutionService();
    Address callerAddress = getCallerAddress();
    executionService.terminateExecution(jobId(), executionId, callerAddress, mode);
}

Example 9 with JetServiceBackend

use of com.hazelcast.jet.impl.JetServiceBackend in project hazelcast by hazelcast.

the class SplitBrainTest method when_newMemberJoinsToCluster_then_jobQuorumSizeIsUpdated.

@Test
public void when_newMemberJoinsToCluster_then_jobQuorumSizeIsUpdated() {
    int clusterSize = 3;
    HazelcastInstance[] instances = new HazelcastInstance[clusterSize];
    for (int i = 0; i < clusterSize; i++) {
        instances[i] = createHazelcastInstance(createConfig());
    }
    NoOutputSourceP.executionStarted = new CountDownLatch(clusterSize * PARALLELISM);
    MockPS processorSupplier = new MockPS(NoOutputSourceP::new, clusterSize);
    DAG dag = new DAG().vertex(new Vertex("test", processorSupplier).localParallelism(PARALLELISM));
    Job job = instances[0].getJet().newJob(dag, new JobConfig().setSplitBrainProtection(true));
    assertOpenEventually(NoOutputSourceP.executionStarted);
    createHazelcastInstance(createConfig());
    assertTrueEventually(() -> {
        JetServiceBackend service = getJetServiceBackend(instances[0]);
        JobRepository jobRepository = service.getJobRepository();
        JobExecutionRecord record = jobRepository.getJobExecutionRecord(job.getId());
        assertEquals(3, record.getQuorumSize());
        MasterContext masterContext = service.getJobCoordinationService().getMasterContext(job.getId());
        assertEquals(3, masterContext.jobExecutionRecord().getQuorumSize());
    });
    NoOutputSourceP.proceedLatch.countDown();
}

Example 10 with JetServiceBackend

use of com.hazelcast.jet.impl.JetServiceBackend in project hazelcast by hazelcast.

the class SplitBrainTest method when_quorumIsLostOnMinority_then_jobDoesNotRestartOnMinorityAndCancelledAfterMerge.

@Test
public void when_quorumIsLostOnMinority_then_jobDoesNotRestartOnMinorityAndCancelledAfterMerge() {
    int firstSubClusterSize = 3;
    int secondSubClusterSize = 2;
    int clusterSize = firstSubClusterSize + secondSubClusterSize;
    NoOutputSourceP.executionStarted = new CountDownLatch(clusterSize * PARALLELISM);
    Job[] jobRef = new Job[1];
    Consumer<HazelcastInstance[]> beforeSplit = instances -> {
        MockPS processorSupplier = new MockPS(NoOutputSourceP::new, clusterSize);
        DAG dag = new DAG().vertex(new Vertex("test", processorSupplier));
        jobRef[0] = instances[0].getJet().newJob(dag, new JobConfig().setSplitBrainProtection(true));
        assertOpenEventually(NoOutputSourceP.executionStarted);
    };
    Future[] minorityJobFutureRef = new Future[1];
    BiConsumer<HazelcastInstance[], HazelcastInstance[]> onSplit = (firstSubCluster, secondSubCluster) -> {
        NoOutputSourceP.proceedLatch.countDown();
        assertTrueEventually(() -> assertEquals(clusterSize + firstSubClusterSize, MockPS.initCount.get()));
        long jobId = jobRef[0].getId();
        assertTrueEventually(() -> {
            JetServiceBackend service = getJetServiceBackend(firstSubCluster[0]);
            assertEquals(COMPLETED, service.getJobCoordinationService().getJobStatus(jobId).get());
        });
        JetServiceBackend service2 = getJetServiceBackend(secondSubCluster[0]);
        assertTrueEventually(() -> {
            MasterContext masterContext = service2.getJobCoordinationService().getMasterContext(jobId);
            assertNotNull(masterContext);
            minorityJobFutureRef[0] = masterContext.jobContext().jobCompletionFuture();
        });
        assertTrueAllTheTime(() -> {
            assertStatusNotRunningOrStarting(service2.getJobCoordinationService().getJobStatus(jobId).get());
        }, 20);
    };
    Consumer<HazelcastInstance[]> 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("received " + t, t instanceof CancellationException));
        try {
            minorityJobFutureRef[0].get();
            fail();
        } catch (CancellationException expected) {
        } catch (Exception e) {
            throw new AssertionError(e);
        }
    };
    testSplitBrain(firstSubClusterSize, secondSubClusterSize, beforeSplit, onSplit, afterMerge);
}