Examples with LogSequenceNumber herddb.log.LogSequenceNumber used on opensource projects

Example 26 with LogSequenceNumber

use of herddb.log.LogSequenceNumber in project herddb by diennea.

the class SimpleCDCTest method testBasicCaptureDataChangeWithRestart.

@Test
public void testBasicCaptureDataChangeWithRestart() throws Exception {
    ServerConfiguration serverconfig_1 = newServerConfigurationWithAutoPort(folder.newFolder().toPath());
    serverconfig_1.set(ServerConfiguration.PROPERTY_NODEID, "server1");
    serverconfig_1.set(ServerConfiguration.PROPERTY_MODE, ServerConfiguration.PROPERTY_MODE_CLUSTER);
    serverconfig_1.set(ServerConfiguration.PROPERTY_ZOOKEEPER_ADDRESS, testEnv.getAddress());
    serverconfig_1.set(ServerConfiguration.PROPERTY_ZOOKEEPER_PATH, testEnv.getPath());
    serverconfig_1.set(ServerConfiguration.PROPERTY_ZOOKEEPER_SESSIONTIMEOUT, testEnv.getTimeout());
    ClientConfiguration client_configuration = new ClientConfiguration(folder.newFolder().toPath());
    client_configuration.set(ClientConfiguration.PROPERTY_MODE, ServerConfiguration.PROPERTY_MODE_CLUSTER);
    client_configuration.set(ClientConfiguration.PROPERTY_ZOOKEEPER_ADDRESS, testEnv.getAddress());
    client_configuration.set(ClientConfiguration.PROPERTY_ZOOKEEPER_PATH, testEnv.getPath());
    client_configuration.set(ClientConfiguration.PROPERTY_ZOOKEEPER_SESSIONTIMEOUT, testEnv.getTimeout());
    try (Server server_1 = new Server(serverconfig_1)) {
        server_1.start();
        server_1.waitForStandaloneBoot();
        Table table = Table.builder().name("t1").column("c", ColumnTypes.INTEGER).column("d", ColumnTypes.INTEGER).primaryKey("c").build();
        server_1.getManager().executeStatement(new CreateTableStatement(table), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        server_1.getManager().executeUpdate(new InsertStatement(TableSpace.DEFAULT, "t1", RecordSerializer.makeRecord(table, "c", 1, "d", 2)), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        server_1.getManager().executeUpdate(new InsertStatement(TableSpace.DEFAULT, "t1", RecordSerializer.makeRecord(table, "c", 2, "d", 2)), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        server_1.getManager().executeUpdate(new InsertStatement(TableSpace.DEFAULT, "t1", RecordSerializer.makeRecord(table, "c", 3, "d", 2)), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        server_1.getManager().executeUpdate(new InsertStatement(TableSpace.DEFAULT, "t1", RecordSerializer.makeRecord(table, "c", 4, "d", 2)), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        InMemoryTableHistoryStorage tableHistoryStorage = new InMemoryTableHistoryStorage();
        LogSequenceNumber currentPosition = LogSequenceNumber.START_OF_TIME;
        List<ChangeDataCapture.Mutation> mutations = new ArrayList<>();
        currentPosition = performOneCDCStep(client_configuration, server_1, tableHistoryStorage, currentPosition, mutations);
        // we are missing the last entry, because it is not confirmed yet on BookKeeper at this point
        assertEquals(4, mutations.size());
        server_1.getManager().executeUpdate(new UpdateStatement(TableSpace.DEFAULT, "t1", RecordSerializer.makeRecord(table, "c", 4, "d", 2), null), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        currentPosition = performOneCDCStep(client_configuration, server_1, tableHistoryStorage, currentPosition, mutations);
        assertEquals(5, mutations.size());
        server_1.getManager().executeStatement(new AlterTableStatement(Arrays.asList(Column.column("e", ColumnTypes.INTEGER)), Collections.emptyList(), Collections.emptyList(), null, table.name, TableSpace.DEFAULT, null, Collections.emptyList(), Collections.emptyList()), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        currentPosition = performOneCDCStep(client_configuration, server_1, tableHistoryStorage, currentPosition, mutations);
        assertEquals(6, mutations.size());
        server_1.getManager().executeUpdate(new DeleteStatement(TableSpace.DEFAULT, "t1", Bytes.from_int(1), null), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        currentPosition = performOneCDCStep(client_configuration, server_1, tableHistoryStorage, currentPosition, mutations);
        assertEquals(7, mutations.size());
        // close the server...close the ledger, now we can read the last mutation
        server_1.close();
        currentPosition = performOneCDCStep(client_configuration, server_1, tableHistoryStorage, currentPosition, mutations);
        assertEquals(8, mutations.size());
        int i = 0;
        assertEquals(ChangeDataCapture.MutationType.CREATE_TABLE, mutations.get(i++).getMutationType());
        assertEquals(ChangeDataCapture.MutationType.INSERT, mutations.get(i++).getMutationType());
        assertEquals(ChangeDataCapture.MutationType.INSERT, mutations.get(i++).getMutationType());
        assertEquals(ChangeDataCapture.MutationType.INSERT, mutations.get(i++).getMutationType());
        assertEquals(ChangeDataCapture.MutationType.INSERT, mutations.get(i++).getMutationType());
        assertEquals(ChangeDataCapture.MutationType.UPDATE, mutations.get(i++).getMutationType());
        assertEquals(ChangeDataCapture.MutationType.ALTER_TABLE, mutations.get(i++).getMutationType());
        assertEquals(ChangeDataCapture.MutationType.DELETE, mutations.get(i++).getMutationType());
    }
}

Example 27 with LogSequenceNumber

use of herddb.log.LogSequenceNumber in project herddb by diennea.

the class TableStatus method deserialize.

public static TableStatus deserialize(ExtendedDataInputStream in) throws IOException {
    // version
    long version = in.readVLong();
    // flags for future implementations
    long flags = in.readVLong();
    if (version != 1 || flags != 0) {
        throw new DataStorageManagerException("corrupted table status");
    }
    String tableName = in.readUTF();
    long ledgerId = in.readLong();
    long offset = in.readLong();
    long nextPageId = in.readLong();
    byte[] nextPrimaryKeyValue = in.readArray();
    int numActivePages = in.readVInt();
    Map<Long, DataPageMetaData> activePages = new HashMap<>(numActivePages);
    for (int i = 0; i < numActivePages; i++) {
        activePages.put(in.readVLong(), DataPageMetaData.deserialize(in));
    }
    return new TableStatus(tableName, new LogSequenceNumber(ledgerId, offset), nextPrimaryKeyValue, nextPageId, activePages);
}

Example 28 with LogSequenceNumber

use of herddb.log.LogSequenceNumber in project herddb by diennea.

the class BootAsNewLeaderTest method testLeaderOnlineLogNoMoreAvailableDataAlreadyPresentBootAsNewLeader.

@Test
public void testLeaderOnlineLogNoMoreAvailableDataAlreadyPresentBootAsNewLeader() throws Exception {
    final AtomicInteger countErase = new AtomicInteger();
    SystemInstrumentation.addListener(new SystemInstrumentation.SingleInstrumentationPointListener("eraseTablespaceData") {

        @Override
        public void acceptSingle(Object... args) throws Exception {
            countErase.incrementAndGet();
        }
    });
    ServerConfiguration serverconfig_1 = newServerConfigurationWithAutoPort(folder.newFolder().toPath());
    serverconfig_1.set(ServerConfiguration.PROPERTY_NODEID, "server1");
    serverconfig_1.set(ServerConfiguration.PROPERTY_MODE, ServerConfiguration.PROPERTY_MODE_CLUSTER);
    serverconfig_1.set(ServerConfiguration.PROPERTY_ZOOKEEPER_ADDRESS, testEnv.getAddress());
    serverconfig_1.set(ServerConfiguration.PROPERTY_ZOOKEEPER_PATH, testEnv.getPath());
    serverconfig_1.set(ServerConfiguration.PROPERTY_ZOOKEEPER_SESSIONTIMEOUT, testEnv.getTimeout());
    serverconfig_1.set(ServerConfiguration.PROPERTY_ENFORCE_LEADERSHIP, false);
    serverconfig_1.set(ServerConfiguration.PROPERTY_BOOKKEEPER_LEDGERS_RETENTION_PERIOD, 1);
    serverconfig_1.set(ServerConfiguration.PROPERTY_CHECKPOINT_PERIOD, 0);
    // disabled
    serverconfig_1.set(ServerConfiguration.PROPERTY_BOOKKEEPER_MAX_IDLE_TIME, 0);
    ServerConfiguration serverconfig_2 = serverconfig_1.copy().set(ServerConfiguration.PROPERTY_NODEID, "server2").set(ServerConfiguration.PROPERTY_BASEDIR, folder.newFolder().toPath().toAbsolutePath());
    Table table = Table.builder().name("t1").column("c", ColumnTypes.INTEGER).column("s", ColumnTypes.INTEGER).primaryKey("c").build();
    Index index = Index.builder().onTable(table).type(Index.TYPE_BRIN).column("s", ColumnTypes.STRING).build();
    try (Server server_1 = new Server(serverconfig_1)) {
        server_1.start();
        server_1.waitForStandaloneBoot();
        server_1.getManager().executeStatement(new CreateTableStatement(table), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        server_1.getManager().executeStatement(new CreateIndexStatement(index), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        server_1.getManager().executeUpdate(new InsertStatement(TableSpace.DEFAULT, "t1", RecordSerializer.makeRecord(table, "c", 1, "s", "1")), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        server_1.getManager().executeUpdate(new InsertStatement(TableSpace.DEFAULT, "t1", RecordSerializer.makeRecord(table, "c", 2, "s", "2")), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        server_1.getManager().executeUpdate(new InsertStatement(TableSpace.DEFAULT, "t1", RecordSerializer.makeRecord(table, "c", 3, "s", "3")), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        server_1.getManager().executeUpdate(new InsertStatement(TableSpace.DEFAULT, "t1", RecordSerializer.makeRecord(table, "c", 4, "s", "4")), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        server_1.getManager().executeStatement(new AlterTableSpaceStatement(TableSpace.DEFAULT, new HashSet<>(Arrays.asList("server1", "server2")), "server1", 1, 0), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        TranslatedQuery translated = server_1.getManager().getPlanner().translate(TableSpace.DEFAULT, "SELECT * FROM " + TableSpace.DEFAULT + ".t1 WHERE s=1", Collections.emptyList(), true, true, false, -1);
        ScanStatement statement = translated.plan.mainStatement.unwrap(ScanStatement.class);
        assertTrue(statement.getPredicate().getIndexOperation() instanceof SecondaryIndexSeek);
        try (DataScanner scan = server_1.getManager().scan(statement, translated.context, TransactionContext.NO_TRANSACTION)) {
            assertEquals(1, scan.consume().size());
        }
    }
    String tableSpaceUUID;
    try (Server server_1 = new Server(serverconfig_1)) {
        server_1.start();
        server_1.waitForStandaloneBoot();
        {
            ZookeeperMetadataStorageManager man = (ZookeeperMetadataStorageManager) server_1.getMetadataStorageManager();
            tableSpaceUUID = man.describeTableSpace(TableSpace.DEFAULT).uuid;
            LedgersInfo ledgersList = ZookeeperMetadataStorageManager.readActualLedgersListFromZookeeper(man.getZooKeeper(), testEnv.getPath() + "/ledgers", tableSpaceUUID);
            assertEquals(2, ledgersList.getActiveLedgers().size());
        }
        server_1.getManager().executeUpdate(new InsertStatement(TableSpace.DEFAULT, "t1", RecordSerializer.makeRecord(table, "c", 5, "s", "5")), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        server_1.getManager().checkpoint();
    }
    try (Server server_1 = new Server(serverconfig_1)) {
        server_1.start();
        server_1.waitForStandaloneBoot();
        {
            ZookeeperMetadataStorageManager man = (ZookeeperMetadataStorageManager) server_1.getMetadataStorageManager();
            LedgersInfo ledgersList = ZookeeperMetadataStorageManager.readActualLedgersListFromZookeeper(man.getZooKeeper(), testEnv.getPath() + "/ledgers", tableSpaceUUID);
            assertEquals(2, ledgersList.getActiveLedgers().size());
        }
        server_1.getManager().executeUpdate(new InsertStatement(TableSpace.DEFAULT, "t1", RecordSerializer.makeRecord(table, "c", 6, "s", "6")), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        {
            ZookeeperMetadataStorageManager man = (ZookeeperMetadataStorageManager) server_1.getMetadataStorageManager();
            LedgersInfo ledgersList = ZookeeperMetadataStorageManager.readActualLedgersListFromZookeeper(man.getZooKeeper(), testEnv.getPath() + "/ledgers", tableSpaceUUID);
            assertEquals(2, ledgersList.getActiveLedgers().size());
        }
        server_1.getManager().checkpoint();
    }
    assertEquals(0, countErase.get());
    LogSequenceNumber server2checkpointPosition;
    try (Server server_1 = new Server(serverconfig_1)) {
        server_1.start();
        server_1.waitForStandaloneBoot();
        // start server_2, and flush data locally
        try (Server server_2 = new Server(serverconfig_2)) {
            server_2.start();
            assertTrue(server_2.getManager().waitForTablespace(TableSpace.DEFAULT, 60000, false));
            // wait for data to arrive on server_2
            for (int i = 0; i < 100; i++) {
                GetResult found = server_2.getManager().get(new GetStatement(TableSpace.DEFAULT, "t1", Bytes.from_int(1), null, false), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
                if (found.found()) {
                    break;
                }
                Thread.sleep(100);
            }
            // force a checkpoint, data is flushed to disk
            server_2.getManager().checkpoint();
            server2checkpointPosition = server_2.getManager().getTableSpaceManager(TableSpace.DEFAULT).getLog().getLastSequenceNumber();
            System.out.println("server2 checkpoint time: " + server2checkpointPosition);
        }
    }
    // start again server_1, in order to create a new ledger
    try (Server server_1 = new Server(serverconfig_1)) {
        server_1.start();
        server_1.waitForStandaloneBoot();
        BookkeeperCommitLog ll = (BookkeeperCommitLog) server_1.getManager().getTableSpaceManager(TableSpace.DEFAULT).getLog();
        // server_1 make much  progress
        ll.rollNewLedger();
        ll.rollNewLedger();
        ll.rollNewLedger();
        ll.rollNewLedger();
        ll.rollNewLedger();
        ll.rollNewLedger();
        ll.rollNewLedger();
        ll.rollNewLedger();
        // a checkpoint will delete old ledgers
        server_1.getManager().checkpoint();
        {
            ZookeeperMetadataStorageManager man = (ZookeeperMetadataStorageManager) server_1.getMetadataStorageManager();
            LedgersInfo ledgersList = ZookeeperMetadataStorageManager.readActualLedgersListFromZookeeper(man.getZooKeeper(), testEnv.getPath() + "/ledgers", tableSpaceUUID);
            System.out.println("ledgerList: " + ledgersList);
            assertEquals(1, ledgersList.getActiveLedgers().size());
            assertTrue(!ledgersList.getActiveLedgers().contains(ledgersList.getFirstLedger()));
            // we want to be sure that server_2 cannot recover from log
            assertTrue(!ledgersList.getActiveLedgers().contains(server2checkpointPosition.ledgerId));
        }
        assertEquals(1, countErase.get());
        // make server2 boot as leader, it will fence out server1
        // but server1 is not writing so it won't know from BK
        // it will see his new role from zookeeper (with a 'watch' notification)
        server_1.getManager().executeStatement(new AlterTableSpaceStatement(TableSpace.DEFAULT, new HashSet<>(Arrays.asList("server1", "server2")), "server2", 1, 0), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        // trying to become leader
        try (Server server_2 = new Server(serverconfig_2)) {
            server_2.start();
            assertFalse(server_2.getManager().waitForTablespace(TableSpace.DEFAULT, 10000, true));
        }
        // make server_1 leader again
        server_1.getManager().executeStatement(new AlterTableSpaceStatement(TableSpace.DEFAULT, new HashSet<>(Arrays.asList("server1", "server2")), "server1", 1, 0), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        // now server_2 must be able to boot, downloading data from server_1 and easing local state
        try (Server server_2 = new Server(serverconfig_2)) {
            server_2.start();
            assertFalse(server_2.getManager().waitForTablespace(TableSpace.DEFAULT, 60000, true));
        }
        // make server_2 leader again
        server_1.getManager().executeStatement(new AlterTableSpaceStatement(TableSpace.DEFAULT, new HashSet<>(Arrays.asList("server1", "server2")), "server2", 1, 0), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        // stop server_1
        server_1.close();
        // it must have enough local data to boot
        try (Server server_2 = new Server(serverconfig_2)) {
            server_2.start();
            assertTrue(server_2.getManager().waitForTablespace(TableSpace.DEFAULT, 60000, true));
        }
    }
}

Example 29 with LogSequenceNumber

use of herddb.log.LogSequenceNumber in project herddb by diennea.

the class BootFollowerTest method testFollowerBootError.

@Test
public void testFollowerBootError() throws Exception {
    int size = 20_000;
    final AtomicInteger callCount = new AtomicInteger();
    // inject a temporary error during download
    final AtomicInteger errorCount = new AtomicInteger(1);
    SystemInstrumentation.addListener(new SystemInstrumentation.SingleInstrumentationPointListener("receiveTableDataChunk") {

        @Override
        public void acceptSingle(Object... args) throws Exception {
            callCount.incrementAndGet();
            if (errorCount.decrementAndGet() == 0) {
                throw new Exception("synthetic error");
            }
        }
    });
    ServerConfiguration serverconfig_1 = newServerConfigurationWithAutoPort(folder.newFolder().toPath());
    serverconfig_1.set(ServerConfiguration.PROPERTY_NODEID, "server1");
    serverconfig_1.set(ServerConfiguration.PROPERTY_MODE, ServerConfiguration.PROPERTY_MODE_CLUSTER);
    serverconfig_1.set(ServerConfiguration.PROPERTY_ZOOKEEPER_ADDRESS, testEnv.getAddress());
    serverconfig_1.set(ServerConfiguration.PROPERTY_ZOOKEEPER_PATH, testEnv.getPath());
    serverconfig_1.set(ServerConfiguration.PROPERTY_ZOOKEEPER_SESSIONTIMEOUT, testEnv.getTimeout());
    serverconfig_1.set(ServerConfiguration.PROPERTY_ENFORCE_LEADERSHIP, false);
    // disabled
    serverconfig_1.set(ServerConfiguration.PROPERTY_BOOKKEEPER_MAX_IDLE_TIME, 0);
    ServerConfiguration serverconfig_2 = serverconfig_1.copy().set(ServerConfiguration.PROPERTY_NODEID, "server2").set(ServerConfiguration.PROPERTY_BASEDIR, folder.newFolder().toPath().toAbsolutePath()).set(ServerConfiguration.PROPERTY_BOOT_FORCE_DOWNLOAD_SNAPSHOT, true).set(ServerConfiguration.PROPERTY_MEMORY_LIMIT_REFERENCE, 5_000_000).set(ServerConfiguration.PROPERTY_MAX_LOGICAL_PAGE_SIZE, 200_000);
    try (Server server_1 = new Server(serverconfig_1)) {
        server_1.start();
        server_1.waitForStandaloneBoot();
        Table table = Table.builder().name("t1").column("c", ColumnTypes.INTEGER).column("s", ColumnTypes.INTEGER).primaryKey("c").build();
        server_1.getManager().executeStatement(new CreateTableStatement(table), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        try (Server server_2 = new Server(serverconfig_2)) {
            server_2.start();
            LogSequenceNumber lastSequenceNumberServer1 = server_1.getManager().getTableSpaceManager(TableSpace.DEFAULT).getLog().getLastSequenceNumber();
            for (int i = 0; i < size; i++) {
                server_1.getManager().executeUpdate(new InsertStatement(TableSpace.DEFAULT, "t1", RecordSerializer.makeRecord(table, "c", i, "s", "1" + i)), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
            }
            server_1.getManager().executeStatement(new AlterTableSpaceStatement(TableSpace.DEFAULT, new HashSet<>(Arrays.asList("server1", "server2")), "server1", 1, 0), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
            assertTrue(server_2.getManager().waitForTablespace(TableSpace.DEFAULT, 60000, false));
            LogSequenceNumber lastSequenceNumberServer2 = server_2.getManager().getTableSpaceManager(TableSpace.DEFAULT).getLog().getLastSequenceNumber();
            while (!lastSequenceNumberServer2.after(lastSequenceNumberServer1)) {
                System.out.println("WAITING FOR server2 to be in sync....now it is a " + lastSequenceNumberServer2 + " vs " + lastSequenceNumberServer1);
                lastSequenceNumberServer2 = server_2.getManager().getTableSpaceManager(TableSpace.DEFAULT).getLog().getLastSequenceNumber();
                Thread.sleep(1000);
            }
        }
        // reboot follower˙
        try (Server server_2 = new Server(serverconfig_2)) {
            server_2.start();
            assertTrue(server_2.getManager().waitForTablespace(TableSpace.DEFAULT, 60000, false));
            for (int i = 0; i < size; i++) {
                GetResult found = server_2.getManager().get(new GetStatement(TableSpace.DEFAULT, "t1", Bytes.from_int(i), null, false), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
                if (found.found()) {
                    break;
                }
                Thread.sleep(100);
            }
        }
        assertEquals(3, callCount.get());
        assertTrue(errorCount.get() <= 0);
    }
}

Example 30 with LogSequenceNumber

use of herddb.log.LogSequenceNumber in project herddb by diennea.

the class DownloadTableSpaceTest method downloadTablespaceTest.

@Test
public void downloadTablespaceTest() throws Exception {
    ServerConfiguration serverconfig_1 = newServerConfigurationWithAutoPort(folder.newFolder().toPath());
    serverconfig_1.set(ServerConfiguration.PROPERTY_NODEID, "server1");
    serverconfig_1.set(ServerConfiguration.PROPERTY_MODE, ServerConfiguration.PROPERTY_MODE_CLUSTER);
    serverconfig_1.set(ServerConfiguration.PROPERTY_ZOOKEEPER_ADDRESS, testEnv.getAddress());
    serverconfig_1.set(ServerConfiguration.PROPERTY_ZOOKEEPER_PATH, testEnv.getPath());
    serverconfig_1.set(ServerConfiguration.PROPERTY_ZOOKEEPER_SESSIONTIMEOUT, testEnv.getTimeout());
    try (Server server_1 = new Server(serverconfig_1)) {
        server_1.start();
        server_1.waitForStandaloneBoot();
        Table table = Table.builder().name("t1").column("c", ColumnTypes.INTEGER).primaryKey("c").build();
        server_1.getManager().executeStatement(new CreateTableStatement(table), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        for (int i = 0; i < 1000; i++) {
            server_1.getManager().executeUpdate(new InsertStatement(TableSpace.DEFAULT, "t1", RecordSerializer.makeRecord(table, "c", i)), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        }
        List<Map<String, Object>> logical_data = new ArrayList<>();
        AtomicBoolean start = new AtomicBoolean();
        try (HDBClient client = new HDBClient(new ClientConfiguration(folder.newFolder().toPath()));
            HDBConnection con = client.openConnection()) {
            client.setClientSideMetadataProvider(new ZookeeperClientSideMetadataProvider(testEnv.getAddress(), testEnv.getTimeout(), testEnv.getPath()));
            CountDownLatch count = new CountDownLatch(1);
            con.dumpTableSpace(TableSpace.DEFAULT, new TableSpaceDumpReceiver() {

                Table table;

                @Override
                public void start(LogSequenceNumber logSequenceNumber) throws DataStorageManagerException {
                    System.out.println("start at " + logSequenceNumber);
                    start.set(true);
                }

                @Override
                public void finish(LogSequenceNumber logSequenceNumber) {
                    System.out.println("finish!");
                    count.countDown();
                }

                @Override
                public void endTable() {
                    System.out.println("endTable");
                    table = null;
                }

                @Override
                public void receiveTableDataChunk(List<Record> records) {
                    // System.out.println("receiveTableDataChunk " + records);
                    for (Record r : records) {
                        Map<String, Object> bean = r.toBean(table);
                        // System.out.println("received:" + bean);
                        logical_data.add(bean);
                    }
                }

                @Override
                public void beginTable(DumpedTableMetadata table, Map<String, Object> stats) {
                    System.out.println("beginTable " + table);
                    this.table = table.table;
                }
            }, 89, false);
            assertTrue(count.await(20, TimeUnit.SECONDS));
            assertEquals(1000, logical_data.size());
            assertTrue(start.get());
        }
    }
}