Examples with Index herddb.model.Index used on opensource projects

Example 61 with Index

use of herddb.model.Index in project herddb by diennea.

the class MemoryHashIndexManager method scanner.

@Override
public Stream<Bytes> scanner(IndexOperation operation, StatementEvaluationContext context, TableContext tableContext) throws StatementExecutionException {
    if (operation instanceof SecondaryIndexSeek) {
        SecondaryIndexSeek sis = (SecondaryIndexSeek) operation;
        SQLRecordKeyFunction value = sis.value;
        byte[] refvalue = value.computeNewValue(null, context, tableContext);
        List<Bytes> result = data.get(Bytes.from_array(refvalue));
        if (result != null) {
            return result.stream();
        } else {
            return Stream.empty();
        }
    } else if (operation instanceof SecondaryIndexPrefixScan) {
        SecondaryIndexPrefixScan sis = (SecondaryIndexPrefixScan) operation;
        SQLRecordKeyFunction value = sis.value;
        byte[] refvalue = value.computeNewValue(null, context, tableContext);
        Predicate<Map.Entry<Bytes, List<Bytes>>> predicate = (Map.Entry<Bytes, List<Bytes>> entry) -> {
            Bytes recordValue = entry.getKey();
            return recordValue.startsWith(refvalue.length, refvalue);
        };
        return data.entrySet().stream().filter(predicate).map(entry -> entry.getValue()).flatMap(l -> l.stream());
    } else if (operation instanceof SecondaryIndexRangeScan) {
        Bytes refminvalue;
        SecondaryIndexRangeScan sis = (SecondaryIndexRangeScan) operation;
        SQLRecordKeyFunction minKey = sis.minValue;
        if (minKey != null) {
            refminvalue = Bytes.from_nullable_array(minKey.computeNewValue(null, context, tableContext));
        } else {
            refminvalue = null;
        }
        Bytes refmaxvalue;
        SQLRecordKeyFunction maxKey = sis.maxValue;
        if (maxKey != null) {
            refmaxvalue = Bytes.from_nullable_array(maxKey.computeNewValue(null, context, tableContext));
        } else {
            refmaxvalue = null;
        }
        Predicate<Map.Entry<Bytes, List<Bytes>>> predicate;
        if (refminvalue != null && refmaxvalue == null) {
            predicate = (Map.Entry<Bytes, List<Bytes>> entry) -> {
                Bytes datum = entry.getKey();
                return datum.compareTo(refminvalue) >= 0;
            };
        } else if (refminvalue == null && refmaxvalue != null) {
            predicate = (Map.Entry<Bytes, List<Bytes>> entry) -> {
                Bytes datum = entry.getKey();
                return datum.compareTo(refmaxvalue) <= 0;
            };
        } else if (refminvalue != null && refmaxvalue != null) {
            predicate = (Map.Entry<Bytes, List<Bytes>> entry) -> {
                Bytes datum = entry.getKey();
                return datum.compareTo(refmaxvalue) <= 0 && datum.compareTo(refminvalue) >= 0;
            };
        } else {
            predicate = (Map.Entry<Bytes, List<Bytes>> entry) -> {
                return true;
            };
        }
        return data.entrySet().stream().filter(predicate).map(entry -> entry.getValue()).flatMap(l -> l.stream());
    } else {
        throw new UnsupportedOperationException("unsuppported index access type " + operation);
    }
}

Example 62 with Index

use of herddb.model.Index in project herddb by diennea.

the class BootFollowerTest method testLeaderOfflineLogAvailable.

@Test
public void testLeaderOfflineLogAvailable() 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);
    // 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());
    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();
        Index index = Index.builder().onTable(table).type(Index.TYPE_BRIN).column("s", ColumnTypes.STRING).build();
        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());
        }
    }
    try (Server server_2 = new Server(serverconfig_2)) {
        server_2.getManager().setActivatorPauseStatus(true);
        server_2.start();
        assertTrue(server_2.getManager().isTableSpaceLocallyRecoverable(server_2.getMetadataStorageManager().describeTableSpace(TableSpace.DEFAULT)));
        server_2.getManager().setActivatorPauseStatus(false);
        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);
        }
        assertTrue(server_2.getManager().get(new GetStatement(TableSpace.DEFAULT, "t1", Bytes.from_int(1), null, false), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION).found());
        TranslatedQuery translated = server_2.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_2.getManager().scan(statement, translated.context, TransactionContext.NO_TRANSACTION)) {
            assertEquals(1, scan.consume().size());
        }
    }
}

Example 63 with Index

use of herddb.model.Index in project herddb by diennea.

the class BootFollowerTest method testLeaderOnlineLogNoMoreAvailable.

@Test
public void testLeaderOnlineLogNoMoreAvailable() 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);
    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();
    }
    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());
            assertTrue(!ledgersList.getActiveLedgers().contains(ledgersList.getFirstLedger()));
        }
        // data will be downloaded from the other server
        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);
            }
            assertTrue(server_2.getManager().get(new GetStatement(TableSpace.DEFAULT, "t1", Bytes.from_int(1), null, false), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION).found());
            TableSpaceManager tsm1 = server_1.getManager().getTableSpaceManager(TableSpace.DEFAULT);
            TableSpaceManager tsm2 = server_1.getManager().getTableSpaceManager(TableSpace.DEFAULT);
            Set<String> indexes1 = tsm1.getIndexesOnTable("t1").keySet();
            Set<String> indexes2 = tsm2.getIndexesOnTable("t1").keySet();
            assertEquals(indexes1, indexes2);
            TranslatedQuery translated = server_2.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_2.getManager().scan(statement, translated.context, TransactionContext.NO_TRANSACTION)) {
                assertEquals(1, scan.consume().size());
            }
        }
    }
}

Example 64 with Index

use of herddb.model.Index in project herddb by diennea.

the class BootFollowerTest method testThreeServerStableCluster.

@Test
public void testThreeServerStableCluster() 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);
    // 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());
    ServerConfiguration serverconfig_3 = serverconfig_1.copy().set(ServerConfiguration.PROPERTY_NODEID, "server3").set(ServerConfiguration.PROPERTY_BASEDIR, folder.newFolder().toPath().toAbsolutePath());
    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();
        Index index = Index.builder().onTable(table).type(Index.TYPE_BRIN).column("s", ColumnTypes.STRING).build();
        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);
        DMLStatementExecutionResult executeUpdateTransaction = server_1.getManager().executeUpdate(new InsertStatement(TableSpace.DEFAULT, "t1", RecordSerializer.makeRecord(table, "c", 5, "s", "5")), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.AUTOTRANSACTION_TRANSACTION);
        server_1.getManager().executeStatement(new CommitTransactionStatement(TableSpace.DEFAULT, executeUpdateTransaction.transactionId), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        try (Server server_2 = new Server(serverconfig_2);
            Server server_3 = new Server(serverconfig_3)) {
            server_2.start();
            server_3.start();
            server_1.getManager().executeStatement(new AlterTableSpaceStatement(TableSpace.DEFAULT, new HashSet<>(Arrays.asList("server1", "server2", "server3")), "server1", 1, 15000), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
            assertTrue(server_2.getManager().waitForTablespace(TableSpace.DEFAULT, 60000, false));
            assertTrue(server_3.getManager().waitForTablespace(TableSpace.DEFAULT, 60000, false));
            // kill server_1
            server_1.close();
            // wait for a new leader to settle
            TestUtils.waitForCondition(() -> {
                TableSpaceManager tableSpaceManager2 = server_2.getManager().getTableSpaceManager(TableSpace.DEFAULT);
                TableSpaceManager tableSpaceManager3 = server_3.getManager().getTableSpaceManager(TableSpace.DEFAULT);
                return tableSpaceManager2 != null && tableSpaceManager2.isLeader() || tableSpaceManager3 != null && tableSpaceManager3.isLeader();
            }, TestUtils.NOOP, 100);
        }
    }
}

Example 65 with Index

use of herddb.model.Index in project herddb by diennea.

the class EdgeCasesFollowerTest method testLeaderOnlineLogNoMoreAvailableDataAlreadyPresent.

@Test
public void testLeaderOnlineLogNoMoreAvailableDataAlreadyPresent() 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());
        // but the server already has local data, tablespace directory must be erased
        try (Server server_2 = new Server(serverconfig_2)) {
            server_2.start();
            assertTrue(server_2.getManager().waitForTablespace(TableSpace.DEFAULT, 60000, false));
            assertTrue(server_2.getManager().get(new GetStatement(TableSpace.DEFAULT, "t1", Bytes.from_int(1), null, false), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION).found());
            assertEquals(2, countErase.get());
            TranslatedQuery translated = server_2.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_2.getManager().scan(statement, translated.context, TransactionContext.NO_TRANSACTION)) {
                assertEquals(1, scan.consume().size());
            }
        }
    }
}