Examples with Checkpoint org.apache.samza.checkpoint.Checkpoint used on opensource projects

Example 6 with Checkpoint

use of org.apache.samza.checkpoint.Checkpoint in project samza by apache.

the class TestKafkaCheckpointManager method testReadCheckpointV2.

@Test
public void testReadCheckpointV2() throws InterruptedException {
    Config config = config(ImmutableMap.of(TaskConfig.CHECKPOINT_READ_VERSIONS, "1,2"));
    setupSystemFactory(config);
    CheckpointV2 checkpointV2 = buildCheckpointV2(INPUT_SSP0, "0");
    List<IncomingMessageEnvelope> checkpointEnvelopes = ImmutableList.of(newCheckpointV2Envelope(TASK0, checkpointV2, "0"));
    setupConsumer(checkpointEnvelopes);
    KafkaCheckpointManager kafkaCheckpointManager = buildKafkaCheckpointManager(true, config);
    kafkaCheckpointManager.register(TASK0);
    Checkpoint actualCheckpoint = kafkaCheckpointManager.readLastCheckpoint(TASK0);
    assertEquals(checkpointV2, actualCheckpoint);
}

Example 7 with Checkpoint

use of org.apache.samza.checkpoint.Checkpoint in project samza by apache.

the class TestKafkaCheckpointManager method testReadMultipleCheckpointsMultipleSSP.

@Test
public void testReadMultipleCheckpointsMultipleSSP() throws InterruptedException {
    setupSystemFactory(config());
    KafkaCheckpointManager checkpointManager = buildKafkaCheckpointManager(true, config());
    checkpointManager.register(TASK0);
    checkpointManager.register(TASK1);
    // mock out a consumer that returns 5 checkpoint IMEs for each SSP
    int newestOffset = 5;
    int checkpointOffsetCounter = 0;
    List<List<IncomingMessageEnvelope>> pollOutputs = new ArrayList<>();
    for (int offset = 1; offset <= newestOffset; offset++) {
        pollOutputs.add(ImmutableList.of(// use regular offset value for INPUT_SSP0
        newCheckpointV1Envelope(TASK0, buildCheckpointV1(INPUT_SSP0, Integer.toString(offset)), Integer.toString(checkpointOffsetCounter++)), // use (offset * 2) value for INPUT_SSP1 so offsets are different from INPUT_SSP0
        newCheckpointV1Envelope(TASK1, buildCheckpointV1(INPUT_SSP1, Integer.toString(offset * 2)), Integer.toString(checkpointOffsetCounter++))));
    }
    setupConsumerMultiplePoll(pollOutputs);
    assertEquals(buildCheckpointV1(INPUT_SSP0, Integer.toString(newestOffset)), checkpointManager.readLastCheckpoint(TASK0));
    assertEquals(buildCheckpointV1(INPUT_SSP1, Integer.toString(newestOffset * 2)), checkpointManager.readLastCheckpoint(TASK1));
    // check expected number of polls (+1 is for the final empty poll), and the checkpoint is the newest message
    verify(this.systemConsumer, times(newestOffset + 1)).poll(ImmutableSet.of(CHECKPOINT_SSP), SystemConsumer.BLOCK_ON_OUTSTANDING_MESSAGES);
}

Example 8 with Checkpoint

use of org.apache.samza.checkpoint.Checkpoint in project samza by apache.

the class TestTaskStorageCommitManager method testCommitManagerStart.

@Test
public void testCommitManagerStart() {
    CheckpointManager checkpointManager = mock(CheckpointManager.class);
    TaskBackupManager taskBackupManager1 = mock(TaskBackupManager.class);
    TaskBackupManager taskBackupManager2 = mock(TaskBackupManager.class);
    ContainerStorageManager containerStorageManager = mock(ContainerStorageManager.class);
    Checkpoint checkpoint = mock(Checkpoint.class);
    TaskName taskName = new TaskName("task1");
    Map<String, TaskBackupManager> backupManagers = ImmutableMap.of("factory1", taskBackupManager1, "factory2", taskBackupManager2);
    TaskStorageCommitManager cm = new TaskStorageCommitManager(taskName, backupManagers, containerStorageManager, Collections.emptyMap(), new Partition(1), checkpointManager, new MapConfig(), ForkJoinPool.commonPool(), new StorageManagerUtil(), null, null);
    when(checkpointManager.readLastCheckpoint(taskName)).thenReturn(checkpoint);
    cm.init();
    verify(taskBackupManager1).init(eq(checkpoint));
    verify(taskBackupManager2).init(eq(checkpoint));
}

Example 9 with Checkpoint

use of org.apache.samza.checkpoint.Checkpoint in project samza by apache.

the class TestTaskStorageCommitManager method testPersistToFileSystemCheckpointV1AndV2Checkpoint.

@Test
public void testPersistToFileSystemCheckpointV1AndV2Checkpoint() throws IOException {
    ContainerStorageManager containerStorageManager = mock(ContainerStorageManager.class);
    StorageEngine mockLPStore = mock(StorageEngine.class);
    StoreProperties lpStoreProps = mock(StoreProperties.class);
    when(mockLPStore.getStoreProperties()).thenReturn(lpStoreProps);
    when(lpStoreProps.isPersistedToDisk()).thenReturn(true);
    when(lpStoreProps.isDurableStore()).thenReturn(true);
    Path mockPath = mock(Path.class);
    when(mockLPStore.checkpoint(any())).thenReturn(Optional.of(mockPath));
    StorageEngine mockPStore = mock(StorageEngine.class);
    StoreProperties pStoreProps = mock(StoreProperties.class);
    when(mockPStore.getStoreProperties()).thenReturn(pStoreProps);
    when(pStoreProps.isPersistedToDisk()).thenReturn(true);
    when(pStoreProps.isDurableStore()).thenReturn(false);
    StorageEngine mockLIStore = mock(StorageEngine.class);
    StoreProperties liStoreProps = mock(StoreProperties.class);
    when(mockLIStore.getStoreProperties()).thenReturn(liStoreProps);
    when(liStoreProps.isPersistedToDisk()).thenReturn(false);
    when(liStoreProps.isDurableStore()).thenReturn(true);
    StorageEngine mockIStore = mock(StorageEngine.class);
    StoreProperties iStoreProps = mock(StoreProperties.class);
    when(mockIStore.getStoreProperties()).thenReturn(iStoreProps);
    when(iStoreProps.isPersistedToDisk()).thenReturn(false);
    when(iStoreProps.isDurableStore()).thenReturn(false);
    Map<String, StorageEngine> taskStores = ImmutableMap.of("loggedPersistentStore", mockLPStore, "persistentStore", mockPStore, "loggedInMemStore", mockLIStore, "inMemStore", mockIStore);
    Partition changelogPartition = new Partition(0);
    SystemStream changelogSystemStream = new SystemStream("changelogSystem", "changelogStream");
    SystemStreamPartition changelogSSP = new SystemStreamPartition(changelogSystemStream, changelogPartition);
    Map<String, SystemStream> storeChangelogsStreams = ImmutableMap.of("loggedPersistentStore", changelogSystemStream, "loggedInMemStore", new SystemStream("system", "stream"));
    StorageManagerUtil storageManagerUtil = mock(StorageManagerUtil.class);
    File durableStoreDir = new File("durableStorePath");
    when(storageManagerUtil.getTaskStoreDir(eq(durableStoreDir), any(), any(), any())).thenReturn(durableStoreDir);
    TaskName taskName = new TaskName("task");
    TaskInstanceMetrics metrics = mock(TaskInstanceMetrics.class);
    Timer checkpointTimer = mock(Timer.class);
    when(metrics.storeCheckpointNs()).thenReturn(checkpointTimer);
    when(containerStorageManager.getAllStores(taskName)).thenReturn(taskStores);
    TaskStorageCommitManager commitManager = spy(new TaskStorageCommitManager(taskName, Collections.emptyMap(), containerStorageManager, storeChangelogsStreams, changelogPartition, null, null, ForkJoinPool.commonPool(), storageManagerUtil, durableStoreDir, metrics));
    doNothing().when(commitManager).writeChangelogOffsetFile(any(), any(), any(), any());
    when(storageManagerUtil.getStoreCheckpointDir(any(File.class), any(CheckpointId.class))).thenAnswer((Answer<String>) invocation -> {
        File file = invocation.getArgumentAt(0, File.class);
        CheckpointId checkpointId = invocation.getArgumentAt(1, CheckpointId.class);
        return file + "-" + checkpointId;
    });
    CheckpointId newCheckpointId = CheckpointId.create();
    String newestOffset = "1";
    KafkaChangelogSSPOffset kafkaChangelogSSPOffset = new KafkaChangelogSSPOffset(newCheckpointId, newestOffset);
    Map<SystemStreamPartition, String> offsetsJava = ImmutableMap.of(changelogSSP, kafkaChangelogSSPOffset.toString());
    commitManager.init();
    // invoke persist to file system for v2 checkpoint
    commitManager.writeCheckpointToStoreDirectories(new CheckpointV1(offsetsJava));
    verify(commitManager).writeChangelogOffsetFiles(offsetsJava);
    // evoked twice, for OFFSET-V1 and OFFSET-V2
    verify(commitManager).writeChangelogOffsetFile(eq("loggedPersistentStore"), eq(changelogSSP), eq(newestOffset), eq(durableStoreDir));
    File checkpointFile = Paths.get(storageManagerUtil.getStoreCheckpointDir(durableStoreDir, kafkaChangelogSSPOffset.getCheckpointId())).toFile();
    verify(commitManager).writeChangelogOffsetFile(eq("loggedPersistentStore"), eq(changelogSSP), eq(newestOffset), eq(checkpointFile));
    Map<String, String> storeSCM = ImmutableMap.of("loggedPersistentStore", "system;loggedPersistentStoreStream;1", "persistentStore", "system;persistentStoreStream;1", "loggedInMemStore", "system;loggedInMemStoreStream;1", "inMemStore", "system;inMemStoreStream;1");
    CheckpointV2 checkpoint = new CheckpointV2(newCheckpointId, Collections.emptyMap(), Collections.singletonMap("factory", storeSCM));
    // invoke persist to file system for v2 checkpoint
    commitManager.writeCheckpointToStoreDirectories(checkpoint);
    // Validate only durable and persisted stores are persisted
    // This should be evoked twice, for checkpointV1 and checkpointV2
    verify(storageManagerUtil, times(2)).getTaskStoreDir(eq(durableStoreDir), eq("loggedPersistentStore"), eq(taskName), any());
    File checkpointPath = Paths.get(storageManagerUtil.getStoreCheckpointDir(durableStoreDir, newCheckpointId)).toFile();
    verify(storageManagerUtil).writeCheckpointV2File(eq(checkpointPath), eq(checkpoint));
}

Example 10 with Checkpoint

use of org.apache.samza.checkpoint.Checkpoint in project samza by apache.

the class TestTaskStorageCommitManager method testWriteChangelogOffsetFilesV2andV1.

@Test
public void testWriteChangelogOffsetFilesV2andV1() throws IOException {
    Map<String, Map<SystemStreamPartition, String>> mockFileSystem = new HashMap<>();
    ContainerStorageManager containerStorageManager = mock(ContainerStorageManager.class);
    Map<String, CheckpointV2> mockCheckpointFileSystem = new HashMap<>();
    StorageEngine mockLPStore = mock(StorageEngine.class);
    StoreProperties lpStoreProps = mock(StoreProperties.class);
    when(mockLPStore.getStoreProperties()).thenReturn(lpStoreProps);
    when(lpStoreProps.isPersistedToDisk()).thenReturn(true);
    when(lpStoreProps.isDurableStore()).thenReturn(true);
    Path mockPath = mock(Path.class);
    when(mockLPStore.checkpoint(any())).thenReturn(Optional.of(mockPath));
    TaskInstanceMetrics metrics = mock(TaskInstanceMetrics.class);
    Timer checkpointTimer = mock(Timer.class);
    when(metrics.storeCheckpointNs()).thenReturn(checkpointTimer);
    java.util.Map<String, StorageEngine> taskStores = ImmutableMap.of("loggedPersistentStore", mockLPStore);
    Partition changelogPartition = new Partition(0);
    SystemStream changelogSystemStream = new SystemStream("changelogSystem", "changelogStream");
    SystemStreamPartition changelogSSP = new SystemStreamPartition(changelogSystemStream, changelogPartition);
    java.util.Map<String, SystemStream> storeChangelogsStreams = ImmutableMap.of("loggedPersistentStore", changelogSystemStream);
    StorageManagerUtil storageManagerUtil = mock(StorageManagerUtil.class);
    File tmpTestPath = new File("store-checkpoint-test");
    when(storageManagerUtil.getTaskStoreDir(eq(tmpTestPath), eq("loggedPersistentStore"), any(), any())).thenReturn(tmpTestPath);
    TaskName taskName = new TaskName("task");
    when(containerStorageManager.getAllStores(taskName)).thenReturn(taskStores);
    TaskStorageCommitManager commitManager = spy(new TaskStorageCommitManager(taskName, Collections.emptyMap(), containerStorageManager, storeChangelogsStreams, changelogPartition, null, null, ForkJoinPool.commonPool(), storageManagerUtil, tmpTestPath, metrics));
    doAnswer(invocation -> {
        String fileDir = invocation.getArgumentAt(3, File.class).getName();
        SystemStreamPartition ssp = invocation.getArgumentAt(1, SystemStreamPartition.class);
        String offset = invocation.getArgumentAt(2, String.class);
        if (mockFileSystem.containsKey(fileDir)) {
            mockFileSystem.get(fileDir).put(ssp, offset);
        } else {
            Map<SystemStreamPartition, String> sspOffsets = new HashMap<>();
            sspOffsets.put(ssp, offset);
            mockFileSystem.put(fileDir, sspOffsets);
        }
        return null;
    }).when(commitManager).writeChangelogOffsetFile(any(), any(), any(), any());
    doAnswer(invocation -> {
        String storeDir = invocation.getArgumentAt(0, File.class).getName();
        CheckpointV2 checkpointV2 = invocation.getArgumentAt(1, CheckpointV2.class);
        mockCheckpointFileSystem.put(storeDir, checkpointV2);
        return null;
    }).when(storageManagerUtil).writeCheckpointV2File(any(), any());
    when(storageManagerUtil.getStoreCheckpointDir(any(File.class), any(CheckpointId.class))).thenAnswer((Answer<String>) invocation -> {
        File file = invocation.getArgumentAt(0, File.class);
        CheckpointId checkpointId = invocation.getArgumentAt(1, CheckpointId.class);
        return file + "-" + checkpointId;
    });
    CheckpointId newCheckpointId = CheckpointId.create();
    String newestOffset = "1";
    KafkaChangelogSSPOffset kafkaChangelogSSPOffset = new KafkaChangelogSSPOffset(newCheckpointId, newestOffset);
    java.util.Map<SystemStreamPartition, String> offsetsJava = ImmutableMap.of(changelogSSP, kafkaChangelogSSPOffset.toString());
    commitManager.init();
    // invoke persist to file system for v1 checkpoint
    commitManager.writeCheckpointToStoreDirectories(new CheckpointV1(offsetsJava));
    assertEquals(2, mockFileSystem.size());
    // check if v2 offsets are written correctly
    String v2FilePath = storageManagerUtil.getStoreCheckpointDir(tmpTestPath, newCheckpointId);
    assertTrue(mockFileSystem.containsKey(v2FilePath));
    assertTrue(mockFileSystem.get(v2FilePath).containsKey(changelogSSP));
    assertEquals(1, mockFileSystem.get(v2FilePath).size());
    assertEquals(newestOffset, mockFileSystem.get(v2FilePath).get(changelogSSP));
    // check if v1 offsets are written correctly
    String v1FilePath = tmpTestPath.getPath();
    assertTrue(mockFileSystem.containsKey(v1FilePath));
    assertTrue(mockFileSystem.get(v1FilePath).containsKey(changelogSSP));
    assertEquals(1, mockFileSystem.get(v1FilePath).size());
    assertEquals(newestOffset, mockFileSystem.get(v1FilePath).get(changelogSSP));
    java.util.Map<String, String> storeSCM = ImmutableMap.of("loggedPersistentStore", "system;loggedPersistentStoreStream;1", "persistentStore", "system;persistentStoreStream;1", "loggedInMemStore", "system;loggedInMemStoreStream;1", "inMemStore", "system;inMemStoreStream;1");
    CheckpointV2 checkpoint = new CheckpointV2(newCheckpointId, Collections.emptyMap(), Collections.singletonMap("factory", storeSCM));
    // invoke persist to file system with checkpoint v2
    commitManager.writeCheckpointToStoreDirectories(checkpoint);
    assertTrue(mockCheckpointFileSystem.containsKey(v2FilePath));
    assertEquals(checkpoint, mockCheckpointFileSystem.get(v2FilePath));
    assertTrue(mockCheckpointFileSystem.containsKey(v1FilePath));
    assertEquals(checkpoint, mockCheckpointFileSystem.get(v1FilePath));
    assertEquals(2, mockCheckpointFileSystem.size());
    CheckpointV2 updatedCheckpoint = new CheckpointV2(newCheckpointId, ImmutableMap.of(new SystemStreamPartition("inputSystem", "inputStream", changelogPartition), "5"), Collections.singletonMap("factory", storeSCM));
    commitManager.writeCheckpointToStoreDirectories(updatedCheckpoint);
    assertEquals(updatedCheckpoint, mockCheckpointFileSystem.get(v2FilePath));
    assertEquals(updatedCheckpoint, mockCheckpointFileSystem.get(v1FilePath));
    assertEquals(2, mockCheckpointFileSystem.size());
}