Examples with EventIdFirstSchemaRecordWriter org.apache.nifi.provenance.EventIdFirstSchemaRecordWriter used on opensource projects

Example 1 with EventIdFirstSchemaRecordWriter

use of org.apache.nifi.provenance.EventIdFirstSchemaRecordWriter in project nifi by apache.

the class TestPartitionedWriteAheadEventStore method testPerformanceOfAccessingEvents.

@Test
@Ignore
public void testPerformanceOfAccessingEvents() throws Exception {
    final RecordWriterFactory recordWriterFactory = (file, idGenerator, compressed, createToc) -> {
        final TocWriter tocWriter = createToc ? new StandardTocWriter(TocUtil.getTocFile(file), false, false) : null;
        return new EventIdFirstSchemaRecordWriter(file, idGenerator, tocWriter, compressed, 1024 * 1024, IdentifierLookup.EMPTY);
    };
    final RecordReaderFactory recordReaderFactory = (file, logs, maxChars) -> RecordReaders.newRecordReader(file, logs, maxChars);
    final PartitionedWriteAheadEventStore store = new PartitionedWriteAheadEventStore(createConfig(), recordWriterFactory, recordReaderFactory, EventReporter.NO_OP, new EventFileManager());
    store.initialize();
    assertEquals(-1, store.getMaxEventId());
    for (int i = 0; i < 100_000; i++) {
        final ProvenanceEventRecord event1 = createEvent();
        store.addEvents(Collections.singleton(event1));
    }
    final List<Long> eventIdList = Arrays.asList(4L, 80L, 1024L, 40_000L, 80_000L, 99_000L);
    while (true) {
        for (int i = 0; i < 100; i++) {
            time(() -> store.getEvents(eventIdList, EventAuthorizer.GRANT_ALL, EventTransformer.EMPTY_TRANSFORMER), "Fetch Events");
        }
        Thread.sleep(1000L);
    }
}

Example 2 with EventIdFirstSchemaRecordWriter

use of org.apache.nifi.provenance.EventIdFirstSchemaRecordWriter in project nifi by apache.

the class TestWriteAheadStorePartition method testReindex.

@Test
@SuppressWarnings("unchecked")
public void testReindex() throws IOException {
    final RepositoryConfiguration repoConfig = createConfig(1, "testReindex");
    repoConfig.setMaxEventFileCount(5);
    final String partitionName = repoConfig.getStorageDirectories().keySet().iterator().next();
    final File storageDirectory = repoConfig.getStorageDirectories().values().iterator().next();
    final RecordWriterFactory recordWriterFactory = (file, idGenerator, compressed, createToc) -> {
        final TocWriter tocWriter = createToc ? new StandardTocWriter(TocUtil.getTocFile(file), false, false) : null;
        return new EventIdFirstSchemaRecordWriter(file, idGenerator, tocWriter, compressed, 32 * 1024, IdentifierLookup.EMPTY);
    };
    final RecordReaderFactory recordReaderFactory = (file, logs, maxChars) -> RecordReaders.newRecordReader(file, logs, maxChars);
    final WriteAheadStorePartition partition = new WriteAheadStorePartition(storageDirectory, partitionName, repoConfig, recordWriterFactory, recordReaderFactory, new LinkedBlockingQueue<>(), new AtomicLong(0L), EventReporter.NO_OP);
    for (int i = 0; i < 100; i++) {
        partition.addEvents(Collections.singleton(TestUtil.createEvent()));
    }
    final Map<ProvenanceEventRecord, StorageSummary> reindexedEvents = new ConcurrentHashMap<>();
    final EventIndex eventIndex = Mockito.mock(EventIndex.class);
    Mockito.doAnswer(new Answer<Object>() {

        @Override
        public Object answer(final InvocationOnMock invocation) throws Throwable {
            final Map<ProvenanceEventRecord, StorageSummary> events = invocation.getArgumentAt(0, Map.class);
            reindexedEvents.putAll(events);
            return null;
        }
    }).when(eventIndex).reindexEvents(Mockito.anyMap());
    Mockito.doReturn(18L).when(eventIndex).getMinimumEventIdToReindex("1");
    partition.reindexLatestEvents(eventIndex);
    final List<Long> eventIdsReindexed = reindexedEvents.values().stream().map(StorageSummary::getEventId).sorted().collect(Collectors.toList());
    assertEquals(82, eventIdsReindexed.size());
    for (int i = 0; i < eventIdsReindexed.size(); i++) {
        assertEquals(18 + i, eventIdsReindexed.get(i).intValue());
    }
}