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

Example 26 with PhysicalLogFiles

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

the class TransactionLogCatchUpWriterTest method verifyCheckpointInLog.

private void verifyCheckpointInLog() throws IOException {
    LogEntryReader<ReadableClosablePositionAwareChannel> logEntryReader = new VersionAwareLogEntryReader<>(new RecordStorageCommandReaderFactory());
    PhysicalLogFiles logFiles = new PhysicalLogFiles(storeDir, fs);
    final LatestCheckPointFinder checkPointFinder = new LatestCheckPointFinder(logFiles, fs, logEntryReader);
    LatestCheckPointFinder.LatestCheckPoint checkPoint = checkPointFinder.find(0);
    assertNotNull(checkPoint.checkPoint);
    assertTrue(checkPoint.commitsAfterCheckPoint);
}

Example 27 with PhysicalLogFiles

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

the class CheckTxLogsTest method shouldReportAnInconsistencyIfTxIdSequenceHasGaps.

@Test
public void shouldReportAnInconsistencyIfTxIdSequenceHasGaps() throws Exception {
    // given
    Function<Long, Command.NodeCommand> newNodeCommandFunction = (i) -> new Command.NodeCommand(new NodeRecord(i, false, false, -1, -1, -1), new NodeRecord(i, true, false, -1, -1, -1));
    writeTxContent(logFile(1), 40L, newNodeCommandFunction.apply(1L));
    writeTxContent(logFile(1), 41L, newNodeCommandFunction.apply(2L));
    writeTxContent(logFile(1), 42L, newNodeCommandFunction.apply(3L));
    writeTxContent(logFile(2), 44L, newNodeCommandFunction.apply(4L));
    writeTxContent(logFile(2), 45L, newNodeCommandFunction.apply(5L));
    CapturingInconsistenciesHandler handler = new CapturingInconsistenciesHandler();
    CheckTxLogs checker = new CheckTxLogs(System.out, fsRule.get());
    // when
    checker.scan(new PhysicalLogFiles(storeDirectory, fsRule.get()), handler, CHECK_TYPES);
    // then
    System.out.println(handler.txIdSequenceInconsistencies);
    assertEquals(1, handler.txIdSequenceInconsistencies.size());
    assertEquals(42, handler.txIdSequenceInconsistencies.get(0).lastSeenTxId);
    assertEquals(44, handler.txIdSequenceInconsistencies.get(0).currentTxId);
}

Example 28 with PhysicalLogFiles

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

the class CheckTxLogsTest method shouldReportNoInconsistenciesFromValidLog.

@Test
public void shouldReportNoInconsistenciesFromValidLog() throws Exception {
    // Given
    File log = logFile(1);
    writeTxContent(log, 1, new Command.NodeCommand(new NodeRecord(42, false, false, -1, -1, 1), new NodeRecord(42, true, false, 42, -1, 1)), new Command.PropertyCommand(propertyRecord(5, false, -1, -1), propertyRecord(5, true, -1, -1, 777)), new Command.NodeCommand(new NodeRecord(1, true, true, 2, -1, 1), new NodeRecord(1, true, false, -1, -1, 1)));
    writeTxContent(log, 2, new Command.NodeCommand(new NodeRecord(2, false, false, -1, -1, 1), new NodeRecord(2, true, false, -1, -1, 1)), new Command.NodeCommand(new NodeRecord(42, true, false, 42, -1, 1), new NodeRecord(42, true, false, 24, 5, 1)));
    CapturingInconsistenciesHandler handler = new CapturingInconsistenciesHandler();
    CheckTxLogs checker = new CheckTxLogs(System.out, fsRule.get());
    // When
    boolean success = checker.scan(new PhysicalLogFiles(storeDirectory, fsRule.get()), handler, NODE);
    // Then
    assertTrue(success);
    assertEquals(0, handler.recordInconsistencies.size());
}

Example 29 with PhysicalLogFiles

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

the class CheckTxLogsTest method shouldReportPropertyInconsistenciesFromDifferentLogs.

@Test
public void shouldReportPropertyInconsistenciesFromDifferentLogs() throws IOException {
    // Given
    File log1 = logFile(1);
    File log2 = logFile(2);
    File log3 = logFile(3);
    writeTxContent(log1, 0, new Command.NodeCommand(new NodeRecord(42, false, false, -1, -1, 1), new NodeRecord(42, true, false, 42, -1, 1)), new Command.PropertyCommand(propertyRecord(5, true, -1, -1, 777), propertyRecord(5, true, -1, -1, 777)), new Command.NodeCommand(new NodeRecord(1, true, true, 2, -1, 1), new NodeRecord(1, true, false, -1, -1, 1)));
    writeTxContent(log2, 0, new Command.PropertyCommand(propertyRecord(24, false, -1, -1), propertyRecord(24, true, -1, -1, 777)));
    writeTxContent(log3, 0, new Command.PropertyCommand(propertyRecord(24, false, -1, -1), propertyRecord(24, true, -1, -1, 777)), new Command.NodeCommand(new NodeRecord(42, true, true, 42, -1, 1), new NodeRecord(42, true, true, 42, 10, 1)), new Command.PropertyCommand(propertyRecord(5, true, -1, -1, 777, 888), propertyRecord(5, true, -1, 9, 777, 888, 999)));
    CapturingInconsistenciesHandler handler = new CapturingInconsistenciesHandler();
    CheckTxLogs checker = new CheckTxLogs(System.out, fsRule.get());
    // When
    boolean success = checker.scan(new PhysicalLogFiles(storeDirectory, fsRule.get()), handler, PROPERTY);
    // Then
    assertFalse(success);
    assertEquals(2, handler.recordInconsistencies.size());
    RecordInconsistency inconsistency1 = handler.recordInconsistencies.get(0);
    PropertyRecord seenRecord1 = (PropertyRecord) inconsistency1.committed.record();
    PropertyRecord currentRecord1 = (PropertyRecord) inconsistency1.current.record();
    assertEquals(24, seenRecord1.getId());
    assertTrue(seenRecord1.inUse());
    assertEquals(24, currentRecord1.getId());
    assertFalse(currentRecord1.inUse());
    assertEquals(2, inconsistency1.committed.logVersion());
    assertEquals(3, inconsistency1.current.logVersion());
    RecordInconsistency inconsistency2 = handler.recordInconsistencies.get(1);
    PropertyRecord seenRecord2 = (PropertyRecord) inconsistency2.committed.record();
    PropertyRecord currentRecord2 = (PropertyRecord) inconsistency2.current.record();
    assertEquals(5, seenRecord2.getId());
    assertEquals(777, seenRecord2.getPropertyBlock(0).getSingleValueInt());
    assertEquals(5, currentRecord2.getId());
    assertEquals(777, currentRecord2.getPropertyBlock(0).getSingleValueInt());
    assertEquals(888, currentRecord2.getPropertyBlock(1).getSingleValueInt());
    assertEquals(1, inconsistency2.committed.logVersion());
    assertEquals(3, inconsistency2.current.logVersion());
}

Example 30 with PhysicalLogFiles

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

the class CheckTxLogsTest method shouldReportNodeInconsistenciesFromSingleLog.

@Test
public void shouldReportNodeInconsistenciesFromSingleLog() throws IOException {
    // Given
    File log = logFile(1);
    writeTxContent(log, 0, new Command.NodeCommand(new NodeRecord(42, false, false, -1, -1, 1), new NodeRecord(42, true, false, 42, -1, 1)), new Command.PropertyCommand(propertyRecord(5, false, -1, -1), propertyRecord(5, true, -1, -1, 777)), new Command.NodeCommand(new NodeRecord(1, true, true, 2, -1, 1), new NodeRecord(1, true, false, -1, -1, 1)));
    writeTxContent(log, 0, new Command.NodeCommand(new NodeRecord(2, false, false, -1, -1, 1), new NodeRecord(2, true, false, -1, -1, 1)), new Command.NodeCommand(new NodeRecord(42, true, false, 24, -1, 1), new NodeRecord(42, true, false, 24, 5, 1)));
    CapturingInconsistenciesHandler handler = new CapturingInconsistenciesHandler();
    CheckTxLogs checker = new CheckTxLogs(System.out, fsRule.get());
    // When
    boolean success = checker.scan(new PhysicalLogFiles(storeDirectory, fsRule.get()), handler, NODE);
    // Then
    assertFalse(success);
    assertEquals(1, handler.recordInconsistencies.size());
    NodeRecord seenRecord = (NodeRecord) handler.recordInconsistencies.get(0).committed.record();
    NodeRecord currentRecord = (NodeRecord) handler.recordInconsistencies.get(0).current.record();
    assertEquals(42, seenRecord.getId());
    assertEquals(42, seenRecord.getNextRel());
    assertEquals(42, currentRecord.getId());
    assertEquals(24, currentRecord.getNextRel());
}