Examples with SharedStateRegistry org.apache.flink.runtime.state.SharedStateRegistry used on opensource projects

Example 1 with SharedStateRegistry

use of org.apache.flink.runtime.state.SharedStateRegistry in project flink by apache.

the class CheckpointCoordinatorRestoringTest method testStateRecoveryWithTopologyChange.

/**
 * old topology. [operator1,operator2] * parallelism1 -> [operator3,operator4] * parallelism2
 *
 * <p>new topology
 *
 * <p>[operator5,operator1,operator3] * newParallelism1 -> [operator3, operator6] *
 * newParallelism2
 */
public void testStateRecoveryWithTopologyChange(TestScaleType scaleType) throws Exception {
    /*
         * Old topology
         * CHAIN(op1 -> op2) * parallelism1 -> CHAIN(op3 -> op4) * parallelism2
         */
    Tuple2<JobVertexID, OperatorID> id1 = generateIDPair();
    Tuple2<JobVertexID, OperatorID> id2 = generateIDPair();
    int parallelism1 = 10;
    int maxParallelism1 = 64;
    Tuple2<JobVertexID, OperatorID> id3 = generateIDPair();
    Tuple2<JobVertexID, OperatorID> id4 = generateIDPair();
    int parallelism2 = 10;
    int maxParallelism2 = 64;
    List<KeyGroupRange> keyGroupPartitions2 = StateAssignmentOperation.createKeyGroupPartitions(maxParallelism2, parallelism2);
    Map<OperatorID, OperatorState> operatorStates = new HashMap<>();
    // prepare vertex1 state
    for (Tuple2<JobVertexID, OperatorID> id : Arrays.asList(id1, id2)) {
        OperatorState taskState = new OperatorState(id.f1, parallelism1, maxParallelism1);
        operatorStates.put(id.f1, taskState);
        for (int index = 0; index < taskState.getParallelism(); index++) {
            OperatorSubtaskState subtaskState = OperatorSubtaskState.builder().setManagedOperatorState(generatePartitionableStateHandle(id.f0, index, 2, 8, false)).setRawOperatorState(generatePartitionableStateHandle(id.f0, index, 2, 8, true)).build();
            taskState.putState(index, subtaskState);
        }
    }
    List<List<ChainedStateHandle<OperatorStateHandle>>> expectedManagedOperatorStates = new ArrayList<>();
    List<List<ChainedStateHandle<OperatorStateHandle>>> expectedRawOperatorStates = new ArrayList<>();
    // prepare vertex2 state
    for (Tuple2<JobVertexID, OperatorID> id : Arrays.asList(id3, id4)) {
        OperatorState operatorState = new OperatorState(id.f1, parallelism2, maxParallelism2);
        operatorStates.put(id.f1, operatorState);
        List<ChainedStateHandle<OperatorStateHandle>> expectedManagedOperatorState = new ArrayList<>();
        List<ChainedStateHandle<OperatorStateHandle>> expectedRawOperatorState = new ArrayList<>();
        expectedManagedOperatorStates.add(expectedManagedOperatorState);
        expectedRawOperatorStates.add(expectedRawOperatorState);
        for (int index = 0; index < operatorState.getParallelism(); index++) {
            final OperatorSubtaskState.Builder stateBuilder = OperatorSubtaskState.builder();
            OperatorStateHandle subManagedOperatorState = generateChainedPartitionableStateHandle(id.f0, index, 2, 8, false).get(0);
            OperatorStateHandle subRawOperatorState = generateChainedPartitionableStateHandle(id.f0, index, 2, 8, true).get(0);
            if (id.f0.equals(id3.f0)) {
                stateBuilder.setManagedKeyedState(generateKeyGroupState(id.f0, keyGroupPartitions2.get(index), false));
            }
            if (id.f0.equals(id3.f0)) {
                stateBuilder.setRawKeyedState(generateKeyGroupState(id.f0, keyGroupPartitions2.get(index), true));
            }
            expectedManagedOperatorState.add(ChainedStateHandle.wrapSingleHandle(subManagedOperatorState));
            expectedRawOperatorState.add(ChainedStateHandle.wrapSingleHandle(subRawOperatorState));
            OperatorSubtaskState subtaskState = stateBuilder.setManagedOperatorState(subManagedOperatorState).setRawOperatorState(subRawOperatorState).build();
            operatorState.putState(index, subtaskState);
        }
    }
    /*
         * New topology
         * CHAIN(op5 -> op1 -> op2) * newParallelism1 -> CHAIN(op3 -> op6) * newParallelism2
         */
    Tuple2<JobVertexID, OperatorID> id5 = generateIDPair();
    int newParallelism1 = 10;
    Tuple2<JobVertexID, OperatorID> id6 = generateIDPair();
    int newParallelism2 = parallelism2;
    if (scaleType == TestScaleType.INCREASE_PARALLELISM) {
        newParallelism2 = 20;
    } else if (scaleType == TestScaleType.DECREASE_PARALLELISM) {
        newParallelism2 = 8;
    }
    List<KeyGroupRange> newKeyGroupPartitions2 = StateAssignmentOperation.createKeyGroupPartitions(maxParallelism2, newParallelism2);
    ExecutionGraph newGraph = new CheckpointCoordinatorTestingUtils.CheckpointExecutionGraphBuilder().addJobVertex(id5.f0, newParallelism1, maxParallelism1, Stream.of(id2.f1, id1.f1, id5.f1).map(OperatorIDPair::generatedIDOnly).collect(Collectors.toList()), true).addJobVertex(id3.f0, newParallelism2, maxParallelism2, Stream.of(id6.f1, id3.f1).map(OperatorIDPair::generatedIDOnly).collect(Collectors.toList()), true).build();
    ExecutionJobVertex newJobVertex1 = newGraph.getJobVertex(id5.f0);
    ExecutionJobVertex newJobVertex2 = newGraph.getJobVertex(id3.f0);
    Set<ExecutionJobVertex> tasks = new HashSet<>();
    tasks.add(newJobVertex1);
    tasks.add(newJobVertex2);
    CompletedCheckpoint completedCheckpoint = new CompletedCheckpoint(newGraph.getJobID(), 2, System.currentTimeMillis(), System.currentTimeMillis() + 3000, operatorStates, Collections.<MasterState>emptyList(), CheckpointProperties.forCheckpoint(CheckpointRetentionPolicy.NEVER_RETAIN_AFTER_TERMINATION), new TestCompletedCheckpointStorageLocation());
    // set up the coordinator and validate the initial state
    SharedStateRegistry sharedStateRegistry = SharedStateRegistry.DEFAULT_FACTORY.create(Executors.directExecutor(), emptyList());
    CheckpointCoordinator coord = new CheckpointCoordinatorBuilder().setExecutionGraph(newGraph).setCompletedCheckpointStore(storeFor(sharedStateRegistry, () -> {
    }, completedCheckpoint)).setTimer(manuallyTriggeredScheduledExecutor).build();
    coord.restoreLatestCheckpointedStateToAll(tasks, true);
    for (int i = 0; i < newJobVertex1.getParallelism(); i++) {
        final List<OperatorIDPair> operatorIDs = newJobVertex1.getOperatorIDs();
        JobManagerTaskRestore taskRestore = newJobVertex1.getTaskVertices()[i].getCurrentExecutionAttempt().getTaskRestore();
        Assert.assertEquals(2L, taskRestore.getRestoreCheckpointId());
        TaskStateSnapshot stateSnapshot = taskRestore.getTaskStateSnapshot();
        OperatorSubtaskState headOpState = stateSnapshot.getSubtaskStateByOperatorID(operatorIDs.get(operatorIDs.size() - 1).getGeneratedOperatorID());
        assertTrue(headOpState.getManagedKeyedState().isEmpty());
        assertTrue(headOpState.getRawKeyedState().isEmpty());
        // operator5
        {
            int operatorIndexInChain = 2;
            OperatorSubtaskState opState = stateSnapshot.getSubtaskStateByOperatorID(operatorIDs.get(operatorIndexInChain).getGeneratedOperatorID());
            assertTrue(opState.getManagedOperatorState().isEmpty());
            assertTrue(opState.getRawOperatorState().isEmpty());
        }
        // operator1
        {
            int operatorIndexInChain = 1;
            OperatorSubtaskState opState = stateSnapshot.getSubtaskStateByOperatorID(operatorIDs.get(operatorIndexInChain).getGeneratedOperatorID());
            OperatorStateHandle expectedManagedOpState = generatePartitionableStateHandle(id1.f0, i, 2, 8, false);
            OperatorStateHandle expectedRawOpState = generatePartitionableStateHandle(id1.f0, i, 2, 8, true);
            Collection<OperatorStateHandle> managedOperatorState = opState.getManagedOperatorState();
            assertEquals(1, managedOperatorState.size());
            assertTrue(CommonTestUtils.isStreamContentEqual(expectedManagedOpState.openInputStream(), managedOperatorState.iterator().next().openInputStream()));
            Collection<OperatorStateHandle> rawOperatorState = opState.getRawOperatorState();
            assertEquals(1, rawOperatorState.size());
            assertTrue(CommonTestUtils.isStreamContentEqual(expectedRawOpState.openInputStream(), rawOperatorState.iterator().next().openInputStream()));
        }
        // operator2
        {
            int operatorIndexInChain = 0;
            OperatorSubtaskState opState = stateSnapshot.getSubtaskStateByOperatorID(operatorIDs.get(operatorIndexInChain).getGeneratedOperatorID());
            OperatorStateHandle expectedManagedOpState = generatePartitionableStateHandle(id2.f0, i, 2, 8, false);
            OperatorStateHandle expectedRawOpState = generatePartitionableStateHandle(id2.f0, i, 2, 8, true);
            Collection<OperatorStateHandle> managedOperatorState = opState.getManagedOperatorState();
            assertEquals(1, managedOperatorState.size());
            assertTrue(CommonTestUtils.isStreamContentEqual(expectedManagedOpState.openInputStream(), managedOperatorState.iterator().next().openInputStream()));
            Collection<OperatorStateHandle> rawOperatorState = opState.getRawOperatorState();
            assertEquals(1, rawOperatorState.size());
            assertTrue(CommonTestUtils.isStreamContentEqual(expectedRawOpState.openInputStream(), rawOperatorState.iterator().next().openInputStream()));
        }
    }
    List<List<Collection<OperatorStateHandle>>> actualManagedOperatorStates = new ArrayList<>(newJobVertex2.getParallelism());
    List<List<Collection<OperatorStateHandle>>> actualRawOperatorStates = new ArrayList<>(newJobVertex2.getParallelism());
    for (int i = 0; i < newJobVertex2.getParallelism(); i++) {
        final List<OperatorIDPair> operatorIDs = newJobVertex2.getOperatorIDs();
        JobManagerTaskRestore taskRestore = newJobVertex2.getTaskVertices()[i].getCurrentExecutionAttempt().getTaskRestore();
        Assert.assertEquals(2L, taskRestore.getRestoreCheckpointId());
        TaskStateSnapshot stateSnapshot = taskRestore.getTaskStateSnapshot();
        // operator 3
        {
            int operatorIndexInChain = 1;
            OperatorSubtaskState opState = stateSnapshot.getSubtaskStateByOperatorID(operatorIDs.get(operatorIndexInChain).getGeneratedOperatorID());
            List<Collection<OperatorStateHandle>> actualSubManagedOperatorState = new ArrayList<>(1);
            actualSubManagedOperatorState.add(opState.getManagedOperatorState());
            List<Collection<OperatorStateHandle>> actualSubRawOperatorState = new ArrayList<>(1);
            actualSubRawOperatorState.add(opState.getRawOperatorState());
            actualManagedOperatorStates.add(actualSubManagedOperatorState);
            actualRawOperatorStates.add(actualSubRawOperatorState);
        }
        // operator 6
        {
            int operatorIndexInChain = 0;
            OperatorSubtaskState opState = stateSnapshot.getSubtaskStateByOperatorID(operatorIDs.get(operatorIndexInChain).getGeneratedOperatorID());
            assertTrue(opState.getManagedOperatorState().isEmpty());
            assertTrue(opState.getRawOperatorState().isEmpty());
        }
        KeyGroupsStateHandle originalKeyedStateBackend = generateKeyGroupState(id3.f0, newKeyGroupPartitions2.get(i), false);
        KeyGroupsStateHandle originalKeyedStateRaw = generateKeyGroupState(id3.f0, newKeyGroupPartitions2.get(i), true);
        OperatorSubtaskState headOpState = stateSnapshot.getSubtaskStateByOperatorID(operatorIDs.get(operatorIDs.size() - 1).getGeneratedOperatorID());
        Collection<KeyedStateHandle> keyedStateBackend = headOpState.getManagedKeyedState();
        Collection<KeyedStateHandle> keyGroupStateRaw = headOpState.getRawKeyedState();
        compareKeyedState(singletonList(originalKeyedStateBackend), keyedStateBackend);
        compareKeyedState(singletonList(originalKeyedStateRaw), keyGroupStateRaw);
    }
    comparePartitionableState(expectedManagedOperatorStates.get(0), actualManagedOperatorStates);
    comparePartitionableState(expectedRawOperatorStates.get(0), actualRawOperatorStates);
}

Example 2 with SharedStateRegistry

use of org.apache.flink.runtime.state.SharedStateRegistry in project flink by apache.

the class CompletedCheckpointStoreTest method testGetAllCheckpoints.

/**
 * Tests that all added checkpoints are returned.
 */
@Test
public void testGetAllCheckpoints() throws Exception {
    SharedStateRegistry sharedStateRegistry = new SharedStateRegistryImpl();
    CompletedCheckpointStore checkpoints = createRecoveredCompletedCheckpointStore(4);
    TestCompletedCheckpoint[] expected = new TestCompletedCheckpoint[] { createCheckpoint(0, sharedStateRegistry), createCheckpoint(1, sharedStateRegistry), createCheckpoint(2, sharedStateRegistry), createCheckpoint(3, sharedStateRegistry) };
    for (TestCompletedCheckpoint checkpoint : expected) {
        checkpoints.addCheckpointAndSubsumeOldestOne(checkpoint, new CheckpointsCleaner(), () -> {
        });
    }
    List<CompletedCheckpoint> actual = checkpoints.getAllCheckpoints();
    assertEquals(expected.length, actual.size());
    for (int i = 0; i < expected.length; i++) {
        assertEquals(expected[i], actual.get(i));
    }
}

Example 3 with SharedStateRegistry

use of org.apache.flink.runtime.state.SharedStateRegistry in project flink by apache.

the class CompletedCheckpointStoreTest method testDiscardAllCheckpoints.

/**
 * Tests that all checkpoints are discarded (using the correct class loader).
 */
@Test
public void testDiscardAllCheckpoints() throws Exception {
    SharedStateRegistry sharedStateRegistry = new SharedStateRegistryImpl();
    CompletedCheckpointStore checkpoints = createRecoveredCompletedCheckpointStore(4);
    TestCompletedCheckpoint[] expected = new TestCompletedCheckpoint[] { createCheckpoint(0, sharedStateRegistry), createCheckpoint(1, sharedStateRegistry), createCheckpoint(2, sharedStateRegistry), createCheckpoint(3, sharedStateRegistry) };
    for (TestCompletedCheckpoint checkpoint : expected) {
        checkpoints.addCheckpointAndSubsumeOldestOne(checkpoint, new CheckpointsCleaner(), () -> {
        });
    }
    checkpoints.shutdown(JobStatus.FINISHED, new CheckpointsCleaner());
    // Empty state
    assertNull(checkpoints.getLatestCheckpoint());
    assertEquals(0, checkpoints.getAllCheckpoints().size());
    assertEquals(0, checkpoints.getNumberOfRetainedCheckpoints());
    // All have been discarded
    for (TestCompletedCheckpoint checkpoint : expected) {
        // The ZooKeeper implementation discards asynchronously
        checkpoint.awaitDiscard();
        assertTrue(checkpoint.isDiscarded());
    }
}

Example 4 with SharedStateRegistry

use of org.apache.flink.runtime.state.SharedStateRegistry in project flink by apache.

the class ZooKeeperCompletedCheckpointStoreTest method testDiscardingCheckpointsAtShutDown.

/**
 * Tests that checkpoints are discarded when the completed checkpoint store is shut down with a
 * globally terminal state.
 */
@Test
public void testDiscardingCheckpointsAtShutDown() throws Exception {
    final SharedStateRegistry sharedStateRegistry = new SharedStateRegistryImpl();
    final Configuration configuration = new Configuration();
    configuration.setString(HighAvailabilityOptions.HA_ZOOKEEPER_QUORUM, zooKeeperResource.getConnectString());
    final CuratorFrameworkWithUnhandledErrorListener curatorFrameworkWrapper = ZooKeeperUtils.startCuratorFramework(configuration, NoOpFatalErrorHandler.INSTANCE);
    final CompletedCheckpointStore checkpointStore = createZooKeeperCheckpointStore(curatorFrameworkWrapper.asCuratorFramework());
    try {
        final CompletedCheckpointStoreTest.TestCompletedCheckpoint checkpoint1 = CompletedCheckpointStoreTest.createCheckpoint(0, sharedStateRegistry);
        checkpointStore.addCheckpointAndSubsumeOldestOne(checkpoint1, new CheckpointsCleaner(), () -> {
        });
        assertThat(checkpointStore.getAllCheckpoints(), Matchers.contains(checkpoint1));
        checkpointStore.shutdown(JobStatus.FINISHED, new CheckpointsCleaner());
        // verify that the checkpoint is discarded
        CompletedCheckpointStoreTest.verifyCheckpointDiscarded(checkpoint1);
    } finally {
        curatorFrameworkWrapper.close();
    }
}

Example 5 with SharedStateRegistry

use of org.apache.flink.runtime.state.SharedStateRegistry in project flink by apache.

the class ZooKeeperCompletedCheckpointStoreITCase method testRecover.

// ---------------------------------------------------------------------------------------------
/**
 * Tests that older checkpoints are not cleaned up right away when recovering. Only after
 * another checkpoint has been completed the old checkpoints exceeding the number of checkpoints
 * to retain will be removed.
 */
@Test
public void testRecover() throws Exception {
    SharedStateRegistry sharedStateRegistry = new SharedStateRegistryImpl();
    CompletedCheckpointStore checkpoints = createRecoveredCompletedCheckpointStore(3);
    TestCompletedCheckpoint[] expected = new TestCompletedCheckpoint[] { createCheckpoint(0, sharedStateRegistry), createCheckpoint(1, sharedStateRegistry), createCheckpoint(2, sharedStateRegistry) };
    // Add multiple checkpoints
    checkpoints.addCheckpointAndSubsumeOldestOne(expected[0], new CheckpointsCleaner(), () -> {
    });
    checkpoints.addCheckpointAndSubsumeOldestOne(expected[1], new CheckpointsCleaner(), () -> {
    });
    checkpoints.addCheckpointAndSubsumeOldestOne(expected[2], new CheckpointsCleaner(), () -> {
    });
    verifyCheckpointRegistered(expected[0].getOperatorStates().values(), sharedStateRegistry);
    verifyCheckpointRegistered(expected[1].getOperatorStates().values(), sharedStateRegistry);
    verifyCheckpointRegistered(expected[2].getOperatorStates().values(), sharedStateRegistry);
    // All three should be in ZK
    assertEquals(3, ZOOKEEPER.getClient().getChildren().forPath(CHECKPOINT_PATH).size());
    assertEquals(3, checkpoints.getNumberOfRetainedCheckpoints());
    // Recover
    sharedStateRegistry.close();
    sharedStateRegistry = new SharedStateRegistryImpl();
    assertEquals(3, ZOOKEEPER.getClient().getChildren().forPath(CHECKPOINT_PATH).size());
    assertEquals(3, checkpoints.getNumberOfRetainedCheckpoints());
    assertEquals(expected[2], checkpoints.getLatestCheckpoint());
    List<CompletedCheckpoint> expectedCheckpoints = new ArrayList<>(3);
    expectedCheckpoints.add(expected[1]);
    expectedCheckpoints.add(expected[2]);
    expectedCheckpoints.add(createCheckpoint(3, sharedStateRegistry));
    checkpoints.addCheckpointAndSubsumeOldestOne(expectedCheckpoints.get(2), new CheckpointsCleaner(), () -> {
    });
    List<CompletedCheckpoint> actualCheckpoints = checkpoints.getAllCheckpoints();
    assertEquals(expectedCheckpoints, actualCheckpoints);
    for (CompletedCheckpoint actualCheckpoint : actualCheckpoints) {
        verifyCheckpointRegistered(actualCheckpoint.getOperatorStates().values(), sharedStateRegistry);
    }
}