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

Example 16 with CheckPointer

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

the class IndexBackupIT method prepareDatabase.

private void prepareDatabase(Label label) {
    generateData(label);
    try (Transaction transaction = database.beginTx()) {
        for (int i = 0; i < 10; i++) {
            transaction.schema().indexFor(label).on(PROPERTY_PREFIX + i).create();
        }
        transaction.commit();
    }
    try (Transaction tx = database.beginTx()) {
        tx.schema().awaitIndexesOnline(2, TimeUnit.MINUTES);
    }
    checkPointer = resolveDependency(CheckPointer.class);
    indexingService = resolveDependency(IndexingService.class);
    fileSystem = resolveDependency(FileSystemAbstraction.class);
}

Example 17 with CheckPointer

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

the class IndexBackupIT method snapshotFilesDeletedWhenSnapshotReleased.

@Test
void snapshotFilesDeletedWhenSnapshotReleased() throws IOException {
    Label label = Label.label("testLabel");
    prepareDatabase(label);
    ResourceIterator<Path> firstCheckpointSnapshot = indexingService.snapshotIndexFiles();
    generateData(label);
    ResourceIterator<Path> secondCheckpointSnapshot = indexingService.snapshotIndexFiles();
    generateData(label);
    ResourceIterator<Path> thirdCheckpointSnapshot = indexingService.snapshotIndexFiles();
    Set<String> firstSnapshotFileNames = getFileNames(firstCheckpointSnapshot);
    Set<String> secondSnapshotFileNames = getFileNames(secondCheckpointSnapshot);
    Set<String> thirdSnapshotFileNames = getFileNames(thirdCheckpointSnapshot);
    generateData(label);
    forceCheckpoint(checkPointer);
    assertTrue(firstSnapshotFileNames.stream().map(Path::of).allMatch(file5 -> fileSystem.fileExists(file5)));
    assertTrue(secondSnapshotFileNames.stream().map(Path::of).allMatch(file4 -> fileSystem.fileExists(file4)));
    assertTrue(thirdSnapshotFileNames.stream().map(Path::of).allMatch(file3 -> fileSystem.fileExists(file3)));
    firstCheckpointSnapshot.close();
    secondCheckpointSnapshot.close();
    thirdCheckpointSnapshot.close();
    generateData(label);
    forceCheckpoint(checkPointer);
    assertFalse(firstSnapshotFileNames.stream().map(Path::of).anyMatch(file2 -> fileSystem.fileExists(file2)));
    assertFalse(secondSnapshotFileNames.stream().map(Path::of).anyMatch(file1 -> fileSystem.fileExists(file1)));
    assertFalse(thirdSnapshotFileNames.stream().map(Path::of).anyMatch(file -> fileSystem.fileExists(file)));
}