Examples with HDBClient herddb.client.HDBClient used on opensource projects

Example 56 with HDBClient

use of herddb.client.HDBClient in project herddb by diennea.

the class BackupRestoreTest method test_backup_restore_with_deletes.

/**
 * Check that restore a dirty delete doesn't revive a record (it is: a phantom deleted record on a dirty page)
 */
@Test
public void test_backup_restore_with_deletes() 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());
    serverconfig_1.set(ServerConfiguration.PROPERTY_ENFORCE_LEADERSHIP, false);
    /* Disable page compaction (avoid compaction of dirty page) */
    serverconfig_1.set(ServerConfiguration.PROPERTY_FILL_PAGE_THRESHOLD, 0.0D);
    ServerConfiguration serverconfig_2 = serverconfig_1.copy().set(ServerConfiguration.PROPERTY_NODEID, "server2").set(ServerConfiguration.PROPERTY_BASEDIR, folder.newFolder().toPath().toAbsolutePath());
    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();
        DBManager manager = server_1.getManager();
        manager.executeStatement(new CreateTableStatement(table), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        manager.executeUpdate(new InsertStatement(TableSpace.DEFAULT, table.name, RecordSerializer.makeRecord(table, "c", 1, "d", 2)), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        manager.executeUpdate(new InsertStatement(TableSpace.DEFAULT, table.name, RecordSerializer.makeRecord(table, "c", 2, "d", 2)), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        manager.executeUpdate(new InsertStatement(TableSpace.DEFAULT, table.name, RecordSerializer.makeRecord(table, "c", 3, "d", 2)), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        manager.executeUpdate(new InsertStatement(TableSpace.DEFAULT, table.name, RecordSerializer.makeRecord(table, "c", 4, "d", 2)), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        manager.checkpoint();
        /* Check that new data isn't in a dirty page  */
        assertEquals(0, manager.getTableSpaceManager(TableSpace.DEFAULT).getTableManager(table.name).getStats().getDirtypages());
        manager.executeUpdate(new DeleteStatement(TableSpace.DEFAULT, table.name, Bytes.from_int(1), null), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        manager.executeUpdate(new InsertStatement(TableSpace.DEFAULT, table.name, RecordSerializer.makeRecord(table, "c", 5, "d", 2)), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        /* Now we have a dirty page in the checkpoint */
        manager.checkpoint();
        /* Check that a dirty page exists */
        assertEquals(1, manager.getTableSpaceManager(TableSpace.DEFAULT).getTableManager(table.name).getStats().getDirtypages());
        try (Server server_2 = new Server(serverconfig_2)) {
            server_2.start();
            try (HDBClient client = new HDBClient(client_configuration);
                HDBConnection connection = client.openConnection()) {
                assertEquals(4, connection.executeScan(TableSpace.DEFAULT, "SELECT * FROM t1", true, Collections.emptyList(), 0, 0, 10, true).consume().size());
                ByteArrayOutputStream oo = new ByteArrayOutputStream();
                BackupUtils.dumpTableSpace(TableSpace.DEFAULT, 64 * 1024, connection, oo, new ProgressListener() {
                });
                byte[] backupData = oo.toByteArray();
                connection.executeUpdate(TableSpace.DEFAULT, "DELETE FROM t1", 0, false, true, Collections.emptyList());
                assertEquals(0, connection.executeScan(TableSpace.DEFAULT, "SELECT * FROM t1", true, Collections.emptyList(), 0, 0, 10, true).consume().size());
                BackupUtils.restoreTableSpace("newts", server_2.getNodeId(), connection, new ByteArrayInputStream(backupData), new ProgressListener() {
                });
                /* No new insert AND no delete... if 5 it did see the new insert but missed the delete! */
                assertEquals(4, connection.executeScan("newts", "SELECT * FROM newts.t1", true, Collections.emptyList(), 0, 0, 10, true).consume().size());
            }
        }
    }
}

Example 57 with HDBClient

use of herddb.client.HDBClient in project herddb by diennea.

the class ServerWithDynamicPortTest method test.

@Test
public void test() throws Exception {
    TestStatsProvider statsProvider = new TestStatsProvider();
    ServerConfiguration serverconfig_1 = newServerConfigurationWithAutoPort(folder.newFolder().toPath());
    serverconfig_1.set(ServerConfiguration.PROPERTY_NODEID, "server1");
    serverconfig_1.set(ServerConfiguration.PROPERTY_PORT, 7867);
    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 clientConfiguration = new ClientConfiguration();
    clientConfiguration.set(ClientConfiguration.PROPERTY_MODE, ClientConfiguration.PROPERTY_MODE_CLUSTER);
    clientConfiguration.set(ClientConfiguration.PROPERTY_ZOOKEEPER_ADDRESS, testEnv.getAddress());
    clientConfiguration.set(ClientConfiguration.PROPERTY_ZOOKEEPER_PATH, testEnv.getPath());
    clientConfiguration.set(ClientConfiguration.PROPERTY_ZOOKEEPER_SESSIONTIMEOUT, testEnv.getTimeout());
    StatsLogger logger = statsProvider.getStatsLogger("ds");
    try (HDBClient client1 = new HDBClient(clientConfiguration, logger)) {
        try (HDBConnection connection = client1.openConnection()) {
            try (Server server_1 = new Server(serverconfig_1)) {
                server_1.start();
                server_1.waitForStandaloneBoot();
                // create table and insert data
                connection.executeUpdate(TableSpace.DEFAULT, "CREATE TABLE t1(k1 int primary key, n1 int)", TransactionContext.NOTRANSACTION_ID, false, false, Collections.emptyList());
                connection.executeUpdate(TableSpace.DEFAULT, "INSERT INTO t1(k1,n1) values(1,1)", TransactionContext.NOTRANSACTION_ID, false, false, Collections.emptyList());
            }
            // change port
            serverconfig_1.set(ServerConfiguration.PROPERTY_PORT, 7868);
            try (Server server_1 = new Server(serverconfig_1)) {
                server_1.start();
                server_1.waitForStandaloneBoot();
                connection.executeUpdate(TableSpace.DEFAULT, "INSERT INTO t1(k1,n1) values(2,1)", TransactionContext.NOTRANSACTION_ID, false, false, Collections.emptyList());
                connection.executeUpdate(TableSpace.DEFAULT, "INSERT INTO t1(k1,n1) values(3,1)", TransactionContext.NOTRANSACTION_ID, false, false, Collections.emptyList());
            }
        }
    }
}

Example 58 with HDBClient

use of herddb.client.HDBClient in project herddb by diennea.

the class RetryOnLeaderChangedTest method test.

@Test
public void test() throws Exception {
    TestStatsProvider statsProvider = new TestStatsProvider();
    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());
    ServerConfiguration serverconfig_2 = serverconfig_1.copy().set(ServerConfiguration.PROPERTY_NODEID, "server2").set(ServerConfiguration.PROPERTY_BASEDIR, folder.newFolder().toPath().toAbsolutePath());
    try (Server server_1 = new Server(serverconfig_1)) {
        server_1.start();
        server_1.waitForStandaloneBoot();
        try (Server server_2 = new Server(serverconfig_2)) {
            server_2.start();
            TestUtils.execute(server_1.getManager(), "CREATE TABLESPACE 'ttt','leader:" + server_2.getNodeId() + "','expectedreplicacount:2'", Collections.emptyList());
            // wait for server_2 to wake up
            for (int i = 0; i < 40; i++) {
                TableSpaceManager tableSpaceManager2 = server_2.getManager().getTableSpaceManager("ttt");
                if (tableSpaceManager2 != null && tableSpaceManager2.isLeader()) {
                    break;
                }
                Thread.sleep(500);
            }
            assertTrue(server_2.getManager().getTableSpaceManager("ttt") != null && server_2.getManager().getTableSpaceManager("ttt").isLeader());
            // wait for server_1 to announce as follower
            waitClusterStatus(server_1.getManager(), server_1.getNodeId(), "follower");
            ClientConfiguration clientConfiguration = new ClientConfiguration();
            clientConfiguration.set(ClientConfiguration.PROPERTY_MODE, ClientConfiguration.PROPERTY_MODE_CLUSTER);
            clientConfiguration.set(ClientConfiguration.PROPERTY_ZOOKEEPER_ADDRESS, testEnv.getAddress());
            clientConfiguration.set(ClientConfiguration.PROPERTY_ZOOKEEPER_PATH, testEnv.getPath());
            clientConfiguration.set(ClientConfiguration.PROPERTY_ZOOKEEPER_SESSIONTIMEOUT, testEnv.getTimeout());
            StatsLogger logger = statsProvider.getStatsLogger("ds");
            try (HDBClient client1 = new HDBClient(clientConfiguration, logger)) {
                try (HDBConnection connection = client1.openConnection()) {
                    // create table and insert data
                    connection.executeUpdate(TableSpace.DEFAULT, "CREATE TABLE ttt.t1(k1 int primary key, n1 int)", TransactionContext.NOTRANSACTION_ID, false, false, Collections.emptyList());
                    connection.executeUpdate(TableSpace.DEFAULT, "INSERT INTO ttt.t1(k1,n1) values(1,1)", TransactionContext.NOTRANSACTION_ID, false, false, Collections.emptyList());
                    connection.executeUpdate(TableSpace.DEFAULT, "INSERT INTO ttt.t1(k1,n1) values(2,1)", TransactionContext.NOTRANSACTION_ID, false, false, Collections.emptyList());
                    connection.executeUpdate(TableSpace.DEFAULT, "INSERT INTO ttt.t1(k1,n1) values(3,1)", TransactionContext.NOTRANSACTION_ID, false, false, Collections.emptyList());
                    // use client2, so that it opens a connection to current leader
                    try (ScanResultSet scan = connection.executeScan(TableSpace.DEFAULT, "SELECT * FROM ttt.t1", false, Collections.emptyList(), TransactionContext.NOTRANSACTION_ID, 0, 0, true)) {
                        assertEquals(3, scan.consume().size());
                    }
                    // change leader
                    switchLeader(server_1.getNodeId(), server_2.getNodeId(), server_1.getManager());
                    // perform operation
                    try (ScanResultSet scan = connection.executeScan(TableSpace.DEFAULT, "SELECT * FROM ttt.t1", false, Collections.emptyList(), TransactionContext.NOTRANSACTION_ID, 0, 0, true)) {
                        assertEquals(3, scan.consume().size());
                    }
                    // check the client handled "not leader error"
                    assertEquals(1, logger.scope("hdbclient").getCounter("leaderChangedErrors").get().intValue());
                    // change leader
                    switchLeader(server_2.getNodeId(), server_1.getNodeId(), server_1.getManager());
                    // perform operation
                    GetResult get = connection.executeGet(TableSpace.DEFAULT, "SELECT * FROM ttt.t1 where k1=1", TransactionContext.NOTRANSACTION_ID, false, Collections.emptyList());
                    assertTrue(get.isFound());
                    // check the client handled "not leader error"
                    assertEquals(2, logger.scope("hdbclient").getCounter("leaderChangedErrors").get().intValue());
                    // change leader
                    switchLeader(server_1.getNodeId(), server_2.getNodeId(), server_1.getManager());
                    // perform operation
                    assertEquals(1, connection.executeUpdate(TableSpace.DEFAULT, "UPDATE ttt.t1 set n1=3 where k1=1", TransactionContext.NOTRANSACTION_ID, false, false, Collections.emptyList()).updateCount);
                    // check the client handled "not leader error"
                    assertEquals(3, logger.scope("hdbclient").getCounter("leaderChangedErrors").get().intValue());
                    // change leader
                    switchLeader(server_2.getNodeId(), server_1.getNodeId(), server_1.getManager());
                    // perform operation
                    assertEquals(1, connection.executeUpdateAsync(TableSpace.DEFAULT, "UPDATE ttt.t1 set n1=3 where k1=1", TransactionContext.NOTRANSACTION_ID, false, false, Collections.emptyList()).get().updateCount);
                    // check the client handled "not leader error"
                    assertEquals(4, logger.scope("hdbclient").getCounter("leaderChangedErrors").get().intValue());
                    // change leader
                    switchLeader(server_1.getNodeId(), server_2.getNodeId(), server_1.getManager());
                    // perform operation
                    assertEquals(1, connection.executeUpdates(TableSpace.DEFAULT, "UPDATE ttt.t1 set n1=3 where k1=1", TransactionContext.NOTRANSACTION_ID, false, false, Arrays.asList(Collections.emptyList())).get(0).updateCount);
                    // check the client handled "not leader error"
                    assertEquals(5, logger.scope("hdbclient").getCounter("leaderChangedErrors").get().intValue());
                    // change leader
                    switchLeader(server_2.getNodeId(), server_1.getNodeId(), server_1.getManager());
                    // perform operation
                    assertEquals(1, connection.executeUpdatesAsync(TableSpace.DEFAULT, "UPDATE ttt.t1 set n1=3 where k1=1", TransactionContext.NOTRANSACTION_ID, false, false, Arrays.asList(Collections.emptyList())).get().get(0).updateCount);
                    // check the client handled "not leader error"
                    assertEquals(6, logger.scope("hdbclient").getCounter("leaderChangedErrors").get().intValue());
                }
            }
        }
    }
}

Example 59 with HDBClient

use of herddb.client.HDBClient in project herddb by diennea.

the class ExpectedReplicaCountTest method testDisklessClusterReplication.

@Test
public void testDisklessClusterReplication() throws Exception {
    TestStatsProvider statsProvider = new TestStatsProvider();
    ServerConfiguration serverconfig_1 = newServerConfigurationWithAutoPort(folder.newFolder().toPath());
    serverconfig_1.set(ServerConfiguration.PROPERTY_NODEID, "server1");
    serverconfig_1.set(ServerConfiguration.PROPERTY_MODE, ServerConfiguration.PROPERTY_MODE_DISKLESSCLUSTER);
    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();
        TestUtils.execute(server_1.getManager(), "CREATE TABLESPACE 'ttt','leader:" + server_1.getNodeId() + "','expectedreplicacount:2'", Collections.emptyList());
        // perform some writes
        ClientConfiguration clientConfiguration = new ClientConfiguration();
        clientConfiguration.set(ClientConfiguration.PROPERTY_MODE, ClientConfiguration.PROPERTY_MODE_CLUSTER);
        clientConfiguration.set(ClientConfiguration.PROPERTY_ZOOKEEPER_ADDRESS, testEnv.getAddress());
        clientConfiguration.set(ClientConfiguration.PROPERTY_ZOOKEEPER_PATH, testEnv.getPath());
        clientConfiguration.set(ClientConfiguration.PROPERTY_ZOOKEEPER_SESSIONTIMEOUT, testEnv.getTimeout());
        StatsLogger logger = statsProvider.getStatsLogger("ds");
        try (HDBClient client1 = new HDBClient(clientConfiguration, logger)) {
            try (HDBConnection connection = client1.openConnection()) {
                // create table and insert data
                connection.executeUpdate(TableSpace.DEFAULT, "CREATE TABLE ttt.t1(k1 int primary key, n1 int)", TransactionContext.NOTRANSACTION_ID, false, false, Collections.emptyList());
                connection.executeUpdate(TableSpace.DEFAULT, "INSERT INTO ttt.t1(k1,n1) values(1,1)", TransactionContext.NOTRANSACTION_ID, false, false, Collections.emptyList());
                connection.executeUpdate(TableSpace.DEFAULT, "INSERT INTO ttt.t1(k1,n1) values(2,1)", TransactionContext.NOTRANSACTION_ID, false, false, Collections.emptyList());
                connection.executeUpdate(TableSpace.DEFAULT, "INSERT INTO ttt.t1(k1,n1) values(3,1)", TransactionContext.NOTRANSACTION_ID, false, false, Collections.emptyList());
                // flush data pages to BK
                server_1.getManager().checkpoint();
                Set<Long> initialLedgers = new HashSet<>();
                // verify that every ledger has ensemble size 2
                try (BookKeeper bk = createBookKeeper()) {
                    BookKeeperAdmin admin = new BookKeeperAdmin(bk);
                    for (long lId : admin.listLedgers()) {
                        LedgerMetadata md = bk.getLedgerManager().readLedgerMetadata(lId).get().getValue();
                        if ("ttt".equals(new String(md.getCustomMetadata().get("tablespaceuuid"), StandardCharsets.UTF_8))) {
                            assertEquals(2, md.getEnsembleSize());
                            assertEquals(2, md.getWriteQuorumSize());
                            assertEquals(2, md.getAckQuorumSize());
                            initialLedgers.add(lId);
                        }
                    }
                }
                BookkeeperCommitLog log = (BookkeeperCommitLog) server_1.getManager().getTableSpaceManager("ttt").getLog();
                final long currentLedgerId = log.getWriter().getLedgerId();
                // downsize to expectedreplicacount = 1
                TestUtils.execute(server_1.getManager(), "ALTER TABLESPACE 'ttt','leader:" + server_1.getNodeId() + "','expectedreplicacount:1'", Collections.emptyList());
                // the TableSpaceManager will roll a new ledger
                herddb.utils.TestUtils.waitForCondition(() -> {
                    if (log.getWriter() == null) {
                        return false;
                    }
                    long newLedgerId = log.getWriter().getLedgerId();
                    return newLedgerId != currentLedgerId;
                }, herddb.utils.TestUtils.NOOP, 100);
                // write some other record
                connection.executeUpdate(TableSpace.DEFAULT, "INSERT INTO ttt.t1(k1,n1) values(4,1)", TransactionContext.NOTRANSACTION_ID, false, false, Collections.emptyList());
                // flush data pages
                server_1.getManager().checkpoint();
                // verify that every ledger has ensemble size 2 or 1
                try (BookKeeper bk = createBookKeeper()) {
                    BookKeeperAdmin admin = new BookKeeperAdmin(bk);
                    for (long lId : admin.listLedgers()) {
                        LedgerMetadata md = bk.getLedgerManager().readLedgerMetadata(lId).get().getValue();
                        if ("ttt".equals(new String(md.getCustomMetadata().get("tablespaceuuid"), StandardCharsets.UTF_8))) {
                            if (initialLedgers.contains(lId)) {
                                assertEquals(2, md.getEnsembleSize());
                                assertEquals(2, md.getWriteQuorumSize());
                                assertEquals(2, md.getAckQuorumSize());
                            } else {
                                assertEquals(1, md.getEnsembleSize());
                                assertEquals(1, md.getWriteQuorumSize());
                                assertEquals(1, md.getAckQuorumSize());
                            }
                        }
                    }
                }
            }
        }
    }
}

Example 60 with HDBClient

use of herddb.client.HDBClient in project herddb by diennea.

the class TableSpaceManager method downloadTableSpaceData.

private void downloadTableSpaceData() throws MetadataStorageManagerException, DataStorageManagerException, LogNotAvailableException {
    TableSpace tableSpaceData = metadataStorageManager.describeTableSpace(tableSpaceName);
    String leaderId = tableSpaceData.leaderId;
    if (this.nodeId.equals(leaderId)) {
        throw new DataStorageManagerException("cannot download data of tableSpace " + tableSpaceName + " from myself");
    }
    Optional<NodeMetadata> leaderAddress = metadataStorageManager.listNodes().stream().filter(n -> n.nodeId.equals(leaderId)).findAny();
    if (!leaderAddress.isPresent()) {
        throw new DataStorageManagerException("cannot download data of tableSpace " + tableSpaceName + " from leader " + leaderId + ", no metadata found");
    }
    // ensure we do not have any data on disk and in memory
    actualLogSequenceNumber = LogSequenceNumber.START_OF_TIME;
    newTransactionId.set(0);
    LOGGER.log(Level.INFO, "tablespace " + tableSpaceName + " at downloadTableSpaceData " + tables + ", " + indexes + ", " + transactions);
    for (AbstractTableManager manager : tables.values()) {
        // and all indexes
        if (!manager.isSystemTable()) {
            manager.dropTableData();
        }
        manager.close();
    }
    tables.clear();
    // this map should be empty
    for (AbstractIndexManager manager : indexes.values()) {
        manager.dropIndexData();
        manager.close();
    }
    indexes.clear();
    transactions.clear();
    dataStorageManager.eraseTablespaceData(tableSpaceUUID);
    NodeMetadata nodeData = leaderAddress.get();
    ClientConfiguration clientConfiguration = new ClientConfiguration(dbmanager.getTmpDirectory());
    clientConfiguration.set(ClientConfiguration.PROPERTY_CLIENT_USERNAME, dbmanager.getServerToServerUsername());
    clientConfiguration.set(ClientConfiguration.PROPERTY_CLIENT_PASSWORD, dbmanager.getServerToServerPassword());
    // always use network, we want to run tests with this case
    clientConfiguration.set(ClientConfiguration.PROPERTY_CLIENT_CONNECT_LOCALVM_SERVER, false);
    try (HDBClient client = new HDBClient(clientConfiguration)) {
        client.setClientSideMetadataProvider(new ClientSideMetadataProvider() {

            @Override
            public String getTableSpaceLeader(String tableSpace) throws ClientSideMetadataProviderException {
                return leaderId;
            }

            @Override
            public ServerHostData getServerHostData(String nodeId) throws ClientSideMetadataProviderException {
                return new ServerHostData(nodeData.host, nodeData.port, "?", nodeData.ssl, Collections.emptyMap());
            }
        });
        try (HDBConnection con = client.openConnection()) {
            ReplicaFullTableDataDumpReceiver receiver = new ReplicaFullTableDataDumpReceiver(this);
            int fetchSize = 10000;
            con.dumpTableSpace(tableSpaceName, receiver, fetchSize, false);
            receiver.getLatch().get(1, TimeUnit.HOURS);
            this.actualLogSequenceNumber = receiver.logSequenceNumber;
            LOGGER.log(Level.INFO, tableSpaceName + " After download local actualLogSequenceNumber is " + actualLogSequenceNumber);
        } catch (ClientSideMetadataProviderException | HDBException | InterruptedException | ExecutionException | TimeoutException internalError) {
            LOGGER.log(Level.SEVERE, tableSpaceName + " error downloading snapshot", internalError);
            throw new DataStorageManagerException(internalError);
        }
    }
}