Examples with MetaService com.alibaba.graphscope.groot.meta.MetaService used on opensource projects

Example 6 with MetaService

use of com.alibaba.graphscope.groot.meta.MetaService in project GraphScope by alibaba.

the class BackupManagerTest method testBackupManager.

@Test
void testBackupManager() throws IOException, InterruptedException {
    // init config
    Configs configs = Configs.newBuilder().put(CommonConfig.STORE_NODE_COUNT.getKey(), "2").put(BackupConfig.BACKUP_ENABLE.getKey(), "true").put(BackupConfig.BACKUP_CREATION_BUFFER_MAX_COUNT.getKey(), "4").put(BackupConfig.BACKUP_GC_INTERVAL_HOURS.getKey(), "24").put(BackupConfig.BACKUP_AUTO_SUBMIT.getKey(), "false").put(BackupConfig.BACKUP_AUTO_SUBMIT_INTERVAL_HOURS.getKey(), "24").build();
    // init data
    long querySnapshotId = 10L;
    GraphDef graphDef = GraphDef.newBuilder().setVersion(10L).build();
    SnapshotWithSchema snapshotWithSchema = new SnapshotWithSchema(querySnapshotId, graphDef);
    List<Long> queueOffsets = new ArrayList<>();
    Map<Integer, Integer> partitionToBackupId1 = new HashMap<>();
    partitionToBackupId1.put(0, 1);
    partitionToBackupId1.put(1, 1);
    Map<Integer, Integer> partitionToBackupId2 = new HashMap<>();
    partitionToBackupId2.put(0, 2);
    partitionToBackupId2.put(1, 2);
    BackupInfo backupInfo1 = new BackupInfo(1, querySnapshotId, graphDef.toProto().toByteArray(), queueOffsets, partitionToBackupId1);
    BackupInfo backupInfo2 = new BackupInfo(2, querySnapshotId, graphDef.toProto().toByteArray(), queueOffsets, partitionToBackupId2);
    // mock MetaStore behaviours
    ObjectMapper objectMapper = new ObjectMapper();
    MetaStore mockMetaStore = mock(MetaStore.class);
    when(mockMetaStore.exists(anyString())).thenReturn(true);
    when(mockMetaStore.read(GLOBAL_BACKUP_ID_PATH)).thenReturn(objectMapper.writeValueAsBytes(0));
    when(mockMetaStore.read(BACKUP_INFO_PATH)).thenReturn(objectMapper.writeValueAsBytes(new ArrayList<BackupInfo>()));
    // mock MetaService behaviours
    MetaService mockMetaService = mock(MetaService.class);
    when(mockMetaService.getPartitionCount()).thenReturn(2);
    when(mockMetaService.getStoreIdByPartition(0)).thenReturn(0);
    when(mockMetaService.getStoreIdByPartition(1)).thenReturn(1);
    // mock SnapshotManager behaviours
    SnapshotManager mockSnapshotManager = mock(SnapshotManager.class);
    when(mockSnapshotManager.getQueueOffsets()).thenReturn(queueOffsets);
    // mock SchemaManager
    SchemaManager mockSchemaManager = mock(SchemaManager.class);
    when(mockSchemaManager.getGraphDef()).thenReturn(graphDef);
    // mock SnapshotCache
    SnapshotCache mockSnapshotCache = mock(SnapshotCache.class);
    when(mockSnapshotCache.getSnapshotWithSchema()).thenReturn(snapshotWithSchema);
    // mock StoreBackupTaskSender behaviours
    StoreBackupTaskSender mockStoreBackupTaskSender = mock(StoreBackupTaskSender.class);
    doAnswer(invocation -> {
        int partitionOrStoreId = invocation.getArgument(0);
        int globalBackupId = invocation.getArgument(1);
        CompletionCallback<StoreBackupId> callback = invocation.getArgument(2);
        StoreBackupId storeBackupId = new StoreBackupId(globalBackupId);
        storeBackupId.addPartitionBackupId(partitionOrStoreId, globalBackupId);
        callback.onCompleted(storeBackupId);
        return null;
    }).when(mockStoreBackupTaskSender).createStoreBackup(anyInt(), anyInt(), any());
    doAnswer(invocation -> {
        CompletionCallback<Void> callback = invocation.getArgument(3);
        callback.onCompleted(null);
        return null;
    }).when(mockStoreBackupTaskSender).restoreFromStoreBackup(anyInt(), any(), anyString(), any());
    doAnswer(invocation -> {
        CompletionCallback<Void> callback = invocation.getArgument(2);
        callback.onCompleted(null);
        return null;
    }).when(mockStoreBackupTaskSender).verifyStoreBackup(anyInt(), any(), any());
    BackupManager backupManager = new BackupManager(configs, mockMetaService, mockMetaStore, mockSnapshotManager, mockSchemaManager, mockSnapshotCache, mockStoreBackupTaskSender);
    backupManager.start();
    verify(mockSnapshotManager).addListener(any());
    // create the first backup
    CountDownLatch updateBackupIdLatch1 = new CountDownLatch(1);
    CountDownLatch updateBackupInfoByCreation1Latch = new CountDownLatch(1);
    doAnswer(invocation -> {
        updateBackupIdLatch1.countDown();
        return null;
    }).when(mockMetaStore).write(GLOBAL_BACKUP_ID_PATH, objectMapper.writeValueAsBytes(1));
    doAnswer(invocation -> {
        byte[] backupInfoBytes = invocation.getArgument(1);
        List<BackupInfo> backupInfoList = objectMapper.readValue(backupInfoBytes, new TypeReference<List<BackupInfo>>() {
        });
        assertEquals(backupInfoList.size(), 1);
        assertEquals(backupInfoList.get(0), backupInfo1);
        updateBackupInfoByCreation1Latch.countDown();
        return null;
    }).when(mockMetaStore).write(BACKUP_INFO_PATH, objectMapper.writeValueAsBytes(Collections.singletonList(backupInfo1)));
    int backupId1 = backupManager.createNewBackup();
    assertEquals(backupId1, 1);
    assertTrue(updateBackupIdLatch1.await(5L, TimeUnit.SECONDS));
    assertTrue(updateBackupInfoByCreation1Latch.await(5L, TimeUnit.SECONDS));
    // create the second backup
    CountDownLatch updateBackupIdLatch2 = new CountDownLatch(1);
    CountDownLatch updateBackupInfoByCreation2Latch = new CountDownLatch(1);
    doAnswer(invocation -> {
        updateBackupIdLatch2.countDown();
        return null;
    }).when(mockMetaStore).write(GLOBAL_BACKUP_ID_PATH, objectMapper.writeValueAsBytes(2));
    doAnswer(invocation -> {
        byte[] backupInfoBytes = invocation.getArgument(1);
        List<BackupInfo> backupInfoList = objectMapper.readValue(backupInfoBytes, new TypeReference<List<BackupInfo>>() {
        });
        backupInfoList.sort(new Comparator<BackupInfo>() {

            @Override
            public int compare(BackupInfo o1, BackupInfo o2) {
                return o1.getGlobalBackupId() - o2.getGlobalBackupId();
            }
        });
        assertEquals(backupInfoList.size(), 2);
        assertEquals(backupInfoList.get(0), backupInfo1);
        assertEquals(backupInfoList.get(1), backupInfo2);
        updateBackupInfoByCreation2Latch.countDown();
        return null;
    }).when(mockMetaStore).write(BACKUP_INFO_PATH, objectMapper.writeValueAsBytes(Arrays.asList(backupInfo1, backupInfo2)));
    int backupId2 = backupManager.createNewBackup();
    assertEquals(backupId2, 2);
    assertTrue(updateBackupIdLatch2.await(5L, TimeUnit.SECONDS));
    assertTrue(updateBackupInfoByCreation2Latch.await(5L, TimeUnit.SECONDS));
    // get backup info list and check
    assertEquals(backupManager.getBackupInfoList().size(), 2);
    // verify backups
    try {
        backupManager.verifyBackup(backupId1);
        backupManager.verifyBackup(backupId2);
    } catch (Exception e) {
        fail("should not have thrown any exception during backup verification");
    }
    // restore from the second backup
    try {
        backupManager.restoreFromBackup(backupId2, "restore_meta", "restore_store");
        assertTrue(Files.exists(Paths.get("restore_meta", "query_snapshot_id")));
        assertTrue(Files.exists(Paths.get("restore_meta", "graph_def_proto_bytes")));
        assertTrue(Files.exists(Paths.get("restore_meta", "queue_offsets")));
    } catch (Exception e) {
        fail("should not have thrown any exception during backup restoring");
    } finally {
        FileUtils.deleteDirectory(new File("restore_meta"));
    }
    // purge 1 old backup
    CountDownLatch updateBackupInfoByPurgingLatch = new CountDownLatch(1);
    doAnswer(invocation -> {
        byte[] backupInfoBytes = invocation.getArgument(1);
        List<BackupInfo> backupInfoList = objectMapper.readValue(backupInfoBytes, new TypeReference<List<BackupInfo>>() {
        });
        assertEquals(backupInfoList.size(), 1);
        assertEquals(backupInfoList.get(0), backupInfo2);
        updateBackupInfoByPurgingLatch.countDown();
        return null;
    }).when(mockMetaStore).write(BACKUP_INFO_PATH, objectMapper.writeValueAsBytes(Collections.singletonList(backupInfo2)));
    backupManager.purgeOldBackups(1);
    assertTrue(updateBackupInfoByPurgingLatch.await(5L, TimeUnit.SECONDS));
    // get backup info list and check
    assertEquals(backupManager.getBackupInfoList().size(), 1);
    // delete the remaining backup '2'
    CountDownLatch updateBackupInfoByDeletionLatch = new CountDownLatch(1);
    doAnswer(invocation -> {
        byte[] backupInfoBytes = invocation.getArgument(1);
        List<BackupInfo> backupInfoList = objectMapper.readValue(backupInfoBytes, new TypeReference<List<BackupInfo>>() {
        });
        assertTrue(backupInfoList.isEmpty());
        updateBackupInfoByDeletionLatch.countDown();
        return null;
    }).when(mockMetaStore).write(BACKUP_INFO_PATH, objectMapper.writeValueAsBytes(new ArrayList<BackupInfo>()));
    backupManager.deleteBackup(2);
    assertTrue(updateBackupInfoByDeletionLatch.await(5L, TimeUnit.SECONDS));
    // get backup info list and check
    assertTrue(backupManager.getBackupInfoList().isEmpty());
    backupManager.stop();
    verify(mockSnapshotManager).removeListener(any());
}

Example 7 with MetaService

use of com.alibaba.graphscope.groot.meta.MetaService in project GraphScope by alibaba.

the class BatchSenderTest method testSend.

@Test
void testSend() throws InterruptedException {
    Configs configs = Configs.newBuilder().put(CommonConfig.STORE_NODE_COUNT.getKey(), "1").build();
    MetaService mockMetaService = mock(MetaService.class);
    when(mockMetaService.getPartitionCount()).thenReturn(2);
    when(mockMetaService.getStoreIdByPartition(anyInt())).thenReturn(0);
    StoreWriter mockStoreWriter = mock(StoreWriter.class);
    String requestId = "test_batch_sender";
    int queueId = 0;
    long snapshotId = 10L;
    long offset = 50L;
    LabelId labelId = new LabelId(0);
    OperationBlob writeVertexBlob1 = new OverwriteVertexOperation(new VertexId(0L), labelId, Collections.EMPTY_MAP).toBlob();
    OperationBlob writeVertexBlob2 = new OverwriteVertexOperation(new VertexId(1L), labelId, Collections.EMPTY_MAP).toBlob();
    OperationBatch batch = OperationBatch.newBuilder().addOperationBlob(writeVertexBlob1).addOperationBlob(writeVertexBlob2).addOperationBlob(OperationBlob.MARKER_OPERATION_BLOB).build();
    CountDownLatch latch = new CountDownLatch(1);
    doAnswer(invocationOnMock -> {
        StoreDataBatch storeBatch = invocationOnMock.getArgument(1);
        CompletionCallback callback = invocationOnMock.getArgument(2);
        assertAll(() -> assertEquals(storeBatch.getRequestId(), requestId), () -> assertEquals(storeBatch.getQueueId(), queueId), () -> assertEquals(storeBatch.getSnapshotId(), snapshotId), () -> assertEquals(storeBatch.getOffset(), offset), () -> assertEquals(storeBatch.getDataBatch().size(), 2));
        List<Map<Integer, OperationBatch>> dataBatch = storeBatch.getDataBatch();
        Map<Integer, OperationBatch> partitionToBatch = dataBatch.get(0);
        assertAll(() -> assertEquals(partitionToBatch.get(0).getOperationBlob(0), writeVertexBlob1), () -> assertEquals(partitionToBatch.get(1).getOperationBlob(0), writeVertexBlob2));
        assertEquals(dataBatch.get(1).get(-1).getOperationBlob(0), OperationBlob.MARKER_OPERATION_BLOB);
        callback.onCompleted(0);
        latch.countDown();
        return null;
    }).when(mockStoreWriter).write(anyInt(), any(), any());
    BatchSender batchSender = new BatchSender(configs, mockMetaService, mockStoreWriter, new MetricsCollector(configs));
    batchSender.start();
    batchSender.asyncSendWithRetry(requestId, queueId, snapshotId, offset, batch);
    assertTrue(latch.await(5L, TimeUnit.SECONDS));
    batchSender.stop();
}

Example 8 with MetaService

use of com.alibaba.graphscope.groot.meta.MetaService in project GraphScope by alibaba.

the class IngestServiceTest method testIngestService.

@Test
void testIngestService() {
    Configs configs = Configs.newBuilder().put(CommonConfig.NODE_IDX.getKey(), "0").put(CommonConfig.STORE_NODE_COUNT.getKey(), "1").put(IngestorConfig.INGESTOR_CHECK_PROCESSOR_INTERVAL_MS.getKey(), "100").build();
    MockDiscovery mockDiscovery = new MockDiscovery();
    MetaService mockMetaService = mock(MetaService.class);
    when(mockMetaService.getQueueIdsForIngestor(0)).thenReturn(Arrays.asList(0));
    LogService mockLogService = mock(LogService.class);
    IngestProgressFetcher mockIngestProgressFetcher = mock(IngestProgressFetcher.class);
    when(mockIngestProgressFetcher.getTailOffsets(Arrays.asList(0))).thenReturn(Arrays.asList(50L));
    StoreWriter mockStoreWriter = mock(StoreWriter.class);
    IngestService spyIngestService = spy(new IngestService(configs, mockDiscovery, mockMetaService, mockLogService, mockIngestProgressFetcher, mockStoreWriter, new MetricsCollector(configs)));
    IngestProcessor mockIngestProcessor = mock(IngestProcessor.class);
    doReturn(mockIngestProcessor).when(spyIngestService).makeIngestProcessor(any(), any(), any(), eq(0), any(), any());
    spyIngestService.start();
    verify(mockIngestProcessor, never()).start();
    mockDiscovery.addNode(RoleType.STORE, Collections.singletonMap(0, null));
    verify(mockIngestProcessor, timeout(5000L)).setTailOffset(50L);
    verify(mockIngestProcessor, timeout(5000L)).start();
    spyIngestService.advanceIngestSnapshotId(5L, null);
    verify(mockIngestProcessor).ingestBatch(eq("marker"), eq(IngestService.MARKER_BATCH), any());
    mockDiscovery.removeNode(RoleType.STORE, Collections.singletonMap(0, null));
    verify(mockIngestProcessor, timeout(5000L).times(2)).stop();
    spyIngestService.stop();
}