Examples with StorageOrcFileTailSource com.facebook.presto.orc.cache.StorageOrcFileTailSource used on opensource projects

Example 6 with StorageOrcFileTailSource

use of com.facebook.presto.orc.cache.StorageOrcFileTailSource in project presto by prestodb.

the class TestOrcReaderDwrfStripeCaching method getDwrfStripeCache.

private Optional<DwrfStripeCache> getDwrfStripeCache(File orcFile) throws IOException {
    CapturingStripeMetadataSourceFactory stripeMetadataSourceFactory = new CapturingStripeMetadataSourceFactory();
    OrcDataSource orcDataSource = new FileOrcDataSource(orcFile, new DataSize(1, MEGABYTE), new DataSize(1, MEGABYTE), new DataSize(1, MEGABYTE), true);
    new OrcReader(orcDataSource, DWRF, new StorageOrcFileTailSource(READ_TAIL_SIZE_IN_BYTES, true), stripeMetadataSourceFactory, NOOP_ORC_AGGREGATED_MEMORY_CONTEXT, OrcReaderTestingUtils.createDefaultTestConfig(), false, NO_ENCRYPTION, DwrfKeyProvider.EMPTY, new RuntimeStats());
    return stripeMetadataSourceFactory.getDwrfStripeCache();
}

Example 7 with StorageOrcFileTailSource

use of com.facebook.presto.orc.cache.StorageOrcFileTailSource in project presto by prestodb.

the class TestStructBatchStreamReader method read.

private RowBlock read(TempFile tempFile, Type readerType) throws IOException {
    DataSize dataSize = new DataSize(1, MEGABYTE);
    OrcDataSource orcDataSource = new FileOrcDataSource(tempFile.getFile(), dataSize, dataSize, dataSize, true);
    OrcReader orcReader = new OrcReader(orcDataSource, ORC, new StorageOrcFileTailSource(), new StorageStripeMetadataSource(), NOOP_ORC_AGGREGATED_MEMORY_CONTEXT, new OrcReaderOptions(dataSize, dataSize, dataSize, false), false, NO_ENCRYPTION, DwrfKeyProvider.EMPTY, new RuntimeStats());
    Map<Integer, Type> includedColumns = new HashMap<>();
    includedColumns.put(0, readerType);
    OrcBatchRecordReader recordReader = orcReader.createBatchRecordReader(includedColumns, OrcPredicate.TRUE, UTC, new TestingHiveOrcAggregatedMemoryContext(), OrcReader.INITIAL_BATCH_SIZE);
    recordReader.nextBatch();
    RowBlock block = (RowBlock) recordReader.readBlock(0);
    recordReader.close();
    return block;
}

Example 8 with StorageOrcFileTailSource

use of com.facebook.presto.orc.cache.StorageOrcFileTailSource in project presto by prestodb.

the class StorageModule method createOrcFileTailSource.

@Singleton
@Provides
public OrcFileTailSource createOrcFileTailSource(OrcCacheConfig orcCacheConfig, MBeanExporter exporter) {
    int expectedFileTailSizeInBytes = toIntExact(orcCacheConfig.getExpectedFileTailSize().toBytes());
    boolean dwrfStripeCacheEnabled = orcCacheConfig.isDwrfStripeCacheEnabled();
    OrcFileTailSource orcFileTailSource = new StorageOrcFileTailSource(expectedFileTailSizeInBytes, dwrfStripeCacheEnabled);
    if (orcCacheConfig.isFileTailCacheEnabled()) {
        Cache<OrcDataSourceId, OrcFileTail> cache = CacheBuilder.newBuilder().maximumWeight(orcCacheConfig.getFileTailCacheSize().toBytes()).weigher((id, tail) -> ((OrcFileTail) tail).getTotalSize()).expireAfterAccess(orcCacheConfig.getFileTailCacheTtlSinceLastAccess().toMillis(), TimeUnit.MILLISECONDS).recordStats().build();
        CacheStatsMBean cacheStatsMBean = new CacheStatsMBean(cache);
        orcFileTailSource = new CachingOrcFileTailSource(orcFileTailSource, cache);
        exporter.export(generatedNameOf(CacheStatsMBean.class, connectorId + "_OrcFileTail"), cacheStatsMBean);
    }
    return orcFileTailSource;
}

Example 9 with StorageOrcFileTailSource

use of com.facebook.presto.orc.cache.StorageOrcFileTailSource in project presto by prestodb.

the class AbstractTestOrcReader method testCaching.

@Test
public void testCaching() throws Exception {
    Cache<OrcDataSourceId, OrcFileTail> orcFileTailCache = CacheBuilder.newBuilder().maximumWeight(new DataSize(1, MEGABYTE).toBytes()).weigher((id, tail) -> ((OrcFileTail) tail).getFooterSize() + ((OrcFileTail) tail).getMetadataSize()).expireAfterAccess(new Duration(10, MINUTES).toMillis(), MILLISECONDS).recordStats().build();
    OrcFileTailSource orcFileTailSource = new CachingOrcFileTailSource(new StorageOrcFileTailSource(), orcFileTailCache);
    Cache<StripeId, Slice> stripeFootercache = CacheBuilder.newBuilder().maximumWeight(new DataSize(1, MEGABYTE).toBytes()).weigher((id, footer) -> ((Slice) footer).length()).expireAfterAccess(new Duration(10, MINUTES).toMillis(), MILLISECONDS).recordStats().build();
    Cache<StripeStreamId, Slice> stripeStreamCache = CacheBuilder.newBuilder().maximumWeight(new DataSize(1, MEGABYTE).toBytes()).weigher((id, stream) -> ((Slice) stream).length()).expireAfterAccess(new Duration(10, MINUTES).toMillis(), MILLISECONDS).recordStats().build();
    Optional<Cache<StripeStreamId, List<RowGroupIndex>>> rowGroupIndexCache = Optional.of(CacheBuilder.newBuilder().maximumWeight(new DataSize(1, MEGABYTE).toBytes()).weigher((id, rowGroupIndices) -> toIntExact(((List<RowGroupIndex>) rowGroupIndices).stream().mapToLong(RowGroupIndex::getRetainedSizeInBytes).sum())).expireAfterAccess(new Duration(10, MINUTES).toMillis(), MILLISECONDS).recordStats().build());
    StripeMetadataSource stripeMetadataSource = new CachingStripeMetadataSource(new StorageStripeMetadataSource(), stripeFootercache, stripeStreamCache, rowGroupIndexCache);
    try (TempFile tempFile = createTempFile(10001)) {
        OrcBatchRecordReader storageReader = createCustomOrcRecordReader(tempFile, ORC, OrcPredicate.TRUE, ImmutableList.of(BIGINT), INITIAL_BATCH_SIZE, orcFileTailSource, stripeMetadataSource, true, ImmutableMap.of(), false);
        assertEquals(orcFileTailCache.stats().missCount(), 1);
        assertEquals(orcFileTailCache.stats().hitCount(), 0);
        OrcBatchRecordReader cacheReader = createCustomOrcRecordReader(tempFile, ORC, OrcPredicate.TRUE, ImmutableList.of(BIGINT), INITIAL_BATCH_SIZE, orcFileTailSource, stripeMetadataSource, true, ImmutableMap.of(), false);
        assertEquals(orcFileTailCache.stats().missCount(), 1);
        assertEquals(orcFileTailCache.stats().hitCount(), 1);
        assertEquals(storageReader.getRetainedSizeInBytes(), cacheReader.getRetainedSizeInBytes());
        assertEquals(storageReader.getFileRowCount(), cacheReader.getFileRowCount());
        assertEquals(storageReader.getSplitLength(), cacheReader.getSplitLength());
        storageReader.nextBatch();
        assertEquals(stripeFootercache.stats().missCount(), 1);
        assertEquals(stripeFootercache.stats().hitCount(), 0);
        assertEquals(stripeStreamCache.stats().missCount(), 2);
        assertEquals(stripeStreamCache.stats().hitCount(), 0);
        assertEquals(rowGroupIndexCache.get().stats().missCount(), 1);
        assertEquals(rowGroupIndexCache.get().stats().hitCount(), 0);
        cacheReader.nextBatch();
        assertEquals(stripeFootercache.stats().missCount(), 1);
        assertEquals(stripeFootercache.stats().hitCount(), 1);
        assertEquals(stripeStreamCache.stats().missCount(), 2);
        assertEquals(stripeStreamCache.stats().hitCount(), 2);
        assertEquals(rowGroupIndexCache.get().stats().missCount(), 1);
        assertEquals(rowGroupIndexCache.get().stats().hitCount(), 1);
        assertEquals(storageReader.readBlock(0).getInt(0), cacheReader.readBlock(0).getInt(0));
    }
}

Example 10 with StorageOrcFileTailSource

use of com.facebook.presto.orc.cache.StorageOrcFileTailSource in project presto by prestodb.

the class TestOrcRecordReaderDwrfStripeCaching method assertFileContentCachingEnabled.

private void assertFileContentCachingEnabled(File orcFile, List<DiskRange> forbiddenRanges) throws IOException {
    try (TestingOrcDataSource orcDataSource = new TestingOrcDataSource(createFileOrcDataSource(orcFile))) {
        StripeMetadataSourceFactory delegateSourceFactory = StripeMetadataSourceFactory.of(new StorageStripeMetadataSource());
        DwrfAwareStripeMetadataSourceFactory dwrfAwareFactory = new DwrfAwareStripeMetadataSourceFactory(delegateSourceFactory);
        // set zeroes to avoid file caching and merging of small disk ranges
        OrcReaderOptions orcReaderOptions = new OrcReaderOptions(new DataSize(0, MEGABYTE), new DataSize(0, MEGABYTE), new DataSize(1, MEGABYTE), false);
        OrcReader orcReader = new OrcReader(orcDataSource, DWRF, new StorageOrcFileTailSource(READ_TAIL_SIZE_IN_BYTES, true), dwrfAwareFactory, NOOP_ORC_AGGREGATED_MEMORY_CONTEXT, orcReaderOptions, false, NO_ENCRYPTION, DwrfKeyProvider.EMPTY, new RuntimeStats());
        assertRecordValues(orcDataSource, orcReader);
        // check that the reader used the cache to read stripe indexes and footers
        assertForbiddenRanges(orcDataSource, forbiddenRanges);
    }
}