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

Example 51 with LogSequenceNumber

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

the class SimpleFollowerTest method testCheckpointFollower.

@Test
public void testCheckpointFollower() 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);
        int size = 1000;
        try (Server server_2 = new Server(serverconfig_2)) {
            server_2.start();
            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 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);
                if (i % 30 == 0) {
                    server_2.getManager().checkpoint();
                }
            }
            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);
            }
        }
    }
}

Example 52 with LogSequenceNumber

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

the class BookKeeperCommitLogTest method testSimpleReadWrite.

@Test
public void testSimpleReadWrite() throws Exception {
    final String tableSpaceUUID = UUID.randomUUID().toString();
    final String name = TableSpace.DEFAULT;
    final String nodeid = "nodeid";
    ServerConfiguration serverConfiguration = newServerConfigurationWithAutoPort();
    try (ZookeeperMetadataStorageManager man = new ZookeeperMetadataStorageManager(testEnv.getAddress(), testEnv.getTimeout(), testEnv.getPath());
        BookkeeperCommitLogManager logManager = new BookkeeperCommitLogManager(man, serverConfiguration, NullStatsLogger.INSTANCE)) {
        man.start();
        logManager.start();
        LogSequenceNumber lsn1;
        LogSequenceNumber lsn2;
        LogSequenceNumber lsn3;
        try (BookkeeperCommitLog writer = logManager.createCommitLog(tableSpaceUUID, name, nodeid)) {
            writer.startWriting(1);
            lsn1 = writer.log(LogEntryFactory.beginTransaction(1), true).getLogSequenceNumber();
            lsn2 = writer.log(LogEntryFactory.beginTransaction(2), true).getLogSequenceNumber();
            lsn3 = writer.log(LogEntryFactory.beginTransaction(3), true).getLogSequenceNumber();
            assertTrue(lsn1.after(LogSequenceNumber.START_OF_TIME));
            assertTrue(lsn2.after(lsn1));
            assertTrue(lsn3.after(lsn2));
        }
        try (BookkeeperCommitLog reader = logManager.createCommitLog(tableSpaceUUID, name, nodeid)) {
            List<Map.Entry<LogSequenceNumber, LogEntry>> list = new ArrayList<>();
            reader.recovery(LogSequenceNumber.START_OF_TIME, (a, b) -> {
                if (b.type != LogEntryType.NOOP) {
                    list.add(new AbstractMap.SimpleImmutableEntry<>(a, b));
                }
            }, false);
            assertEquals(3, list.size());
            assertEquals(lsn1, list.get(0).getKey());
            assertEquals(lsn2, list.get(1).getKey());
            assertEquals(lsn3, list.get(2).getKey());
        }
    }
}

Example 53 with LogSequenceNumber

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

the class BookKeeperCommitLogTest method testSimpleFence.

@Test
public void testSimpleFence() throws Exception {
    final String tableSpaceUUID = UUID.randomUUID().toString();
    final String name = TableSpace.DEFAULT;
    final String nodeid = "nodeid";
    ServerConfiguration serverConfiguration = newServerConfigurationWithAutoPort();
    try (ZookeeperMetadataStorageManager man = new ZookeeperMetadataStorageManager(testEnv.getAddress(), testEnv.getTimeout(), testEnv.getPath());
        BookkeeperCommitLogManager logManager = new BookkeeperCommitLogManager(man, serverConfiguration, NullStatsLogger.INSTANCE)) {
        man.start();
        logManager.start();
        LogSequenceNumber lsn1;
        LogSequenceNumber lsn2;
        LogSequenceNumber lsn3;
        try (BookkeeperCommitLog writer = logManager.createCommitLog(tableSpaceUUID, name, nodeid)) {
            writer.startWriting(1);
            lsn1 = writer.log(LogEntryFactory.beginTransaction(1), true).getLogSequenceNumber();
            lsn2 = writer.log(LogEntryFactory.beginTransaction(2), true).getLogSequenceNumber();
            // a new leader starts, from START_OF_TIME
            try (BookkeeperCommitLog writer2 = logManager.createCommitLog(tableSpaceUUID, name, nodeid)) {
                writer2.recovery(LogSequenceNumber.START_OF_TIME, (a, b) -> {
                }, true);
                writer2.startWriting(1);
                lsn3 = writer2.log(LogEntryFactory.beginTransaction(3), true).getLogSequenceNumber();
            }
            TestUtils.assertThrows(LogNotAvailableException.class, () -> FutureUtils.result(writer.log(LogEntryFactory.beginTransaction(3), true).logSequenceNumber));
            assertTrue(writer.isFailed());
            assertTrue(lsn1.after(LogSequenceNumber.START_OF_TIME));
            assertTrue(lsn2.after(lsn1));
            // written by second writer
            assertTrue(lsn3.after(lsn2));
        }
        try (BookkeeperCommitLog reader = logManager.createCommitLog(tableSpaceUUID, name, nodeid)) {
            List<Map.Entry<LogSequenceNumber, LogEntry>> list = new ArrayList<>();
            reader.recovery(LogSequenceNumber.START_OF_TIME, (lsn, entry) -> {
                if (entry.type != LogEntryType.NOOP) {
                    list.add(new AbstractMap.SimpleImmutableEntry<>(lsn, entry));
                }
            }, false);
            assertEquals(3, list.size());
            assertEquals(lsn1, list.get(0).getKey());
            assertEquals(lsn2, list.get(1).getKey());
            assertEquals(lsn3, list.get(2).getKey());
        }
    }
}

Example 54 with LogSequenceNumber

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

the class IndexStatus method deserialize.

public static IndexStatus 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 index status");
    }
    String indexName = in.readUTF();
    long ledgerId = in.readLong();
    long offset = in.readLong();
    long nextPageId = in.readVLong();
    int numPages = in.readVInt();
    Set<Long> activePages = new HashSet<>();
    for (int i = 0; i < numPages; i++) {
        activePages.add(in.readVLong());
    }
    byte[] indexData = in.readArray();
    return new IndexStatus(indexName, new LogSequenceNumber(ledgerId, offset), nextPageId, activePages, indexData);
}

Example 55 with LogSequenceNumber

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

the class ServerSideConnectionPeer method handleRequestTableRestore.

private void handleRequestTableRestore(Pdu message, Channel channel) {
    try {
        long dumpLedgerId = PduCodec.RequestTableRestore.readLedgerId(message);
        long dumpOffset = PduCodec.RequestTableRestore.readOffset(message);
        String tableSpace = PduCodec.RequestTableRestore.readTablespace(message);
        byte[] table = PduCodec.RequestTableRestore.readTableDefinition(message);
        Table tableSchema = Table.deserialize(table);
        tableSchema = Table.builder().cloning(tableSchema).tablespace(tableSpace).build();
        server.getManager().getTableSpaceManager(tableSpace).beginRestoreTable(tableSchema.serialize(), new LogSequenceNumber(dumpLedgerId, dumpOffset));
        ByteBuf res = PduCodec.AckResponse.write(message.messageId);
        channel.sendReplyMessage(message.messageId, res);
    } catch (StatementExecutionException err) {
        ByteBuf res = composeErrorResponse(message.messageId, err);
        channel.sendReplyMessage(message.messageId, res);
    }
}