Examples with TransactionIdStore org.neo4j.kernel.impl.transaction.log.TransactionIdStore used on opensource projects

Example 1 with TransactionIdStore

use of org.neo4j.kernel.impl.transaction.log.TransactionIdStore in project neo4j by neo4j.

the class BoltFactoryImplTest method txIdStoreRefreshedAfterRestart.

@Test
public void txIdStoreRefreshedAfterRestart() throws Throwable {
    GraphDatabaseAPI db = newDbMock();
    DependencyResolver dependencyResolver = db.getDependencyResolver();
    TransactionIdStore txIdStoreBeforeRestart = mock(TransactionIdStore.class);
    when(txIdStoreBeforeRestart.getLastClosedTransactionId()).thenReturn(42L);
    TransactionIdStore txIdStoreAfterRestart = mock(TransactionIdStore.class);
    when(txIdStoreAfterRestart.getLastClosedTransactionId()).thenReturn(4242L);
    when(dependencyResolver.resolveDependency(TransactionIdStore.class)).thenReturn(txIdStoreBeforeRestart).thenReturn(txIdStoreAfterRestart);
    BoltFactoryImpl boltFactory = newBoltFactory(db);
    boltFactory.start();
    BoltStateMachine stateMachine1 = boltFactory.newMachine(CONNECTION_DESCRIPTOR, mock(Runnable.class), CLOCK);
    assertEquals(42, stateMachine1.spi.transactionSpi().newestEncounteredTxId());
    boltFactory.stop();
    boltFactory.start();
    BoltStateMachine stateMachine2 = boltFactory.newMachine(CONNECTION_DESCRIPTOR, mock(Runnable.class), CLOCK);
    assertEquals(4242, stateMachine2.spi.transactionSpi().newestEncounteredTxId());
}

Example 2 with TransactionIdStore

use of org.neo4j.kernel.impl.transaction.log.TransactionIdStore in project neo4j by neo4j.

the class TransactionStateMachineSPITest method throwsWhenTxAwaitDurationExpires.

@Test
public void throwsWhenTxAwaitDurationExpires() throws Exception {
    long lastClosedTransactionId = 100;
    TransactionIdStore txIdStore = fixedTxIdStore(lastClosedTransactionId);
    Duration txAwaitDuration = Duration.ofSeconds(42);
    FakeClock clock = new FakeClock();
    AvailabilityGuard availabilityGuard = spy(new AvailabilityGuard(clock, NullLog.getInstance()));
    when(availabilityGuard.isAvailable()).then(invocation -> {
        boolean available = (boolean) invocation.callRealMethod();
        clock.forward(txAwaitDuration.getSeconds() + 1, SECONDS);
        return available;
    });
    TransactionStateMachineSPI txSpi = createTxSpi(txIdStore, txAwaitDuration, availabilityGuard, clock);
    Future<Void> result = otherThread.execute(state -> {
        txSpi.awaitUpToDate(lastClosedTransactionId + 42);
        return null;
    });
    try {
        result.get(20, SECONDS);
    } catch (Exception e) {
        assertThat(e, instanceOf(ExecutionException.class));
        assertThat(e.getCause(), instanceOf(TransactionFailureException.class));
    }
}

Example 3 with TransactionIdStore

use of org.neo4j.kernel.impl.transaction.log.TransactionIdStore in project neo4j by neo4j.

the class TransactionStateMachineSPITest method fixedTxIdStore.

private static TransactionIdStore fixedTxIdStore(long lastClosedTransactionId) {
    TransactionIdStore txIdStore = mock(TransactionIdStore.class);
    when(txIdStore.getLastClosedTransactionId()).thenReturn(lastClosedTransactionId);
    return txIdStore;
}

Example 4 with TransactionIdStore

use of org.neo4j.kernel.impl.transaction.log.TransactionIdStore in project neo4j by neo4j.

the class Runner method call.

@Override
public Long call() throws Exception {
    long lastCommittedTransactionId;
    try (FileSystemAbstraction fileSystem = new DefaultFileSystemAbstraction();
        Lifespan life = new Lifespan()) {
        TransactionIdStore transactionIdStore = new DeadSimpleTransactionIdStore();
        TransactionMetadataCache transactionMetadataCache = new TransactionMetadataCache(100_000);
        LogHeaderCache logHeaderCache = new LogHeaderCache(1000);
        LogFile logFile = life.add(createPhysicalLogFile(transactionIdStore, logHeaderCache, fileSystem));
        TransactionAppender transactionAppender = life.add(createBatchingTransactionAppender(transactionIdStore, transactionMetadataCache, logFile));
        ExecutorService executorService = Executors.newFixedThreadPool(threads);
        try {
            Future<?>[] handlers = new Future[threads];
            for (int i = 0; i < threads; i++) {
                TransactionRepresentationFactory factory = new TransactionRepresentationFactory();
                Worker task = new Worker(transactionAppender, factory, condition);
                handlers[i] = executorService.submit(task);
            }
            // wait for all the workers to complete
            for (Future<?> handle : handlers) {
                handle.get();
            }
        } finally {
            executorService.shutdown();
        }
        lastCommittedTransactionId = transactionIdStore.getLastCommittedTransactionId();
    }
    return lastCommittedTransactionId;
}

Example 5 with TransactionIdStore

use of org.neo4j.kernel.impl.transaction.log.TransactionIdStore in project neo4j by neo4j.

the class NeoStoreDataSource method buildTransactionLogs.

private NeoStoreTransactionLogModule buildTransactionLogs(File storeDir, Config config, LogProvider logProvider, JobScheduler scheduler, FileSystemAbstraction fileSystemAbstraction, StorageEngine storageEngine, LogEntryReader<ReadableClosablePositionAwareChannel> logEntryReader, SynchronizedArrayIdOrderingQueue legacyIndexTransactionOrdering, TransactionIdStore transactionIdStore, LogVersionRepository logVersionRepository) {
    TransactionMetadataCache transactionMetadataCache = new TransactionMetadataCache(100_000);
    LogHeaderCache logHeaderCache = new LogHeaderCache(1000);
    final PhysicalLogFiles logFiles = new PhysicalLogFiles(storeDir, PhysicalLogFile.DEFAULT_NAME, fileSystemAbstraction);
    final PhysicalLogFile logFile = life.add(new PhysicalLogFile(fileSystemAbstraction, logFiles, config.get(GraphDatabaseSettings.logical_log_rotation_threshold), transactionIdStore::getLastCommittedTransactionId, logVersionRepository, physicalLogMonitor, logHeaderCache));
    final PhysicalLogFileInformation.LogVersionToTimestamp logInformation = version -> {
        LogPosition position = LogPosition.start(version);
        try (ReadableLogChannel channel = logFile.getReader(position)) {
            LogEntry entry;
            while ((entry = logEntryReader.readLogEntry(channel)) != null) {
                if (entry instanceof LogEntryStart) {
                    return entry.<LogEntryStart>as().getTimeWritten();
                }
            }
        }
        return -1;
    };
    final LogFileInformation logFileInformation = new PhysicalLogFileInformation(logFiles, logHeaderCache, transactionIdStore::getLastCommittedTransactionId, logInformation);
    if (config.get(GraphDatabaseFacadeFactory.Configuration.ephemeral)) {
        config = config.withDefaults(stringMap(GraphDatabaseSettings.keep_logical_logs.name(), "1 files"));
    }
    String pruningConf = config.get(GraphDatabaseSettings.keep_logical_logs);
    LogPruneStrategy logPruneStrategy = fromConfigValue(fs, logFileInformation, logFiles, pruningConf);
    final LogPruning logPruning = new LogPruningImpl(logPruneStrategy, logProvider);
    final LogRotation logRotation = new LogRotationImpl(monitors.newMonitor(LogRotation.Monitor.class), logFile, databaseHealth);
    final TransactionAppender appender = life.add(new BatchingTransactionAppender(logFile, logRotation, transactionMetadataCache, transactionIdStore, legacyIndexTransactionOrdering, databaseHealth));
    final LogicalTransactionStore logicalTransactionStore = new PhysicalLogicalTransactionStore(logFile, transactionMetadataCache, logEntryReader);
    int txThreshold = config.get(GraphDatabaseSettings.check_point_interval_tx);
    final CountCommittedTransactionThreshold countCommittedTransactionThreshold = new CountCommittedTransactionThreshold(txThreshold);
    long timeMillisThreshold = config.get(GraphDatabaseSettings.check_point_interval_time);
    TimeCheckPointThreshold timeCheckPointThreshold = new TimeCheckPointThreshold(timeMillisThreshold, clock);
    CheckPointThreshold threshold = CheckPointThresholds.or(countCommittedTransactionThreshold, timeCheckPointThreshold);
    final CheckPointerImpl checkPointer = new CheckPointerImpl(transactionIdStore, threshold, storageEngine, logPruning, appender, databaseHealth, logProvider, tracers.checkPointTracer, ioLimiter, storeCopyCheckPointMutex);
    long recurringPeriod = Math.min(timeMillisThreshold, TimeUnit.SECONDS.toMillis(10));
    CheckPointScheduler checkPointScheduler = new CheckPointScheduler(checkPointer, scheduler, recurringPeriod, databaseHealth);
    life.add(checkPointer);
    life.add(checkPointScheduler);
    return new NeoStoreTransactionLogModule(logicalTransactionStore, logFileInformation, logFiles, logFile, logRotation, checkPointer, appender, legacyIndexTransactionOrdering);
}