Examples with PrestoSparkTaskOutput com.facebook.presto.spark.classloader_interface.PrestoSparkTaskOutput used on opensource projects

Example 1 with PrestoSparkTaskOutput

use of com.facebook.presto.spark.classloader_interface.PrestoSparkTaskOutput in project presto by prestodb.

the class PrestoSparkTaskExecutorFactory method configureOutput.

@SuppressWarnings("unchecked")
private static <T extends PrestoSparkTaskOutput> Output<T> configureOutput(Class<T> outputType, BlockEncodingManager blockEncodingManager, OutputBufferMemoryManager memoryManager, DataSize targetAverageRowSize, Optional<OutputPartitioning> preDeterminedPartition, TempStorage tempStorage, TempDataOperationContext tempDataOperationContext, DataSize writeBufferSize) {
    if (outputType.equals(PrestoSparkMutableRow.class)) {
        PrestoSparkOutputBuffer<PrestoSparkRowBatch> outputBuffer = new PrestoSparkOutputBuffer<>(memoryManager);
        OutputFactory outputFactory = new PrestoSparkRowOutputFactory(outputBuffer, targetAverageRowSize, preDeterminedPartition);
        OutputSupplier<T> outputSupplier = (OutputSupplier<T>) new RowOutputSupplier(outputBuffer);
        return new Output<>(OutputBufferType.SPARK_ROW_OUTPUT_BUFFER, outputBuffer, outputFactory, outputSupplier);
    } else if (outputType.equals(PrestoSparkSerializedPage.class)) {
        PrestoSparkOutputBuffer<PrestoSparkBufferedSerializedPage> outputBuffer = new PrestoSparkOutputBuffer<>(memoryManager);
        OutputFactory outputFactory = new PrestoSparkPageOutputFactory(outputBuffer, blockEncodingManager);
        OutputSupplier<T> outputSupplier = (OutputSupplier<T>) new PageOutputSupplier(outputBuffer);
        return new Output<>(OutputBufferType.SPARK_PAGE_OUTPUT_BUFFER, outputBuffer, outputFactory, outputSupplier);
    } else if (outputType.equals(PrestoSparkStorageHandle.class)) {
        PrestoSparkOutputBuffer<PrestoSparkBufferedSerializedPage> outputBuffer = new PrestoSparkOutputBuffer<>(memoryManager);
        OutputFactory outputFactory = new PrestoSparkPageOutputFactory(outputBuffer, blockEncodingManager);
        OutputSupplier<T> outputSupplier = (OutputSupplier<T>) new DiskPageOutputSupplier(outputBuffer, tempStorage, tempDataOperationContext, writeBufferSize);
        return new Output<>(OutputBufferType.SPARK_DISK_PAGE_OUTPUT_BUFFER, outputBuffer, outputFactory, outputSupplier);
    } else {
        throw new IllegalArgumentException("Unexpected output type: " + outputType.getName());
    }
}

Example 2 with PrestoSparkTaskOutput

use of com.facebook.presto.spark.classloader_interface.PrestoSparkTaskOutput in project presto by prestodb.

the class PrestoSparkDiskPageInput method loadBroadcastTable.

private List<Page> loadBroadcastTable(List<PrestoSparkStorageHandle> broadcastTaskFilesInfo, TempStorage tempStorage, TempDataOperationContext tempDataOperationContext, UpdateMemory updateMemory) {
    try {
        CRC32 checksum = new CRC32();
        ImmutableList.Builder<Page> pages = ImmutableList.builder();
        List<PrestoSparkStorageHandle> broadcastTaskFilesInfoCopy = new ArrayList<>(broadcastTaskFilesInfo);
        shuffle(broadcastTaskFilesInfoCopy);
        for (PrestoSparkTaskOutput taskFileInfo : broadcastTaskFilesInfoCopy) {
            checksum.reset();
            PrestoSparkStorageHandle prestoSparkStorageHandle = (PrestoSparkStorageHandle) taskFileInfo;
            TempStorageHandle tempStorageHandle = tempStorage.deserialize(prestoSparkStorageHandle.getSerializedStorageHandle());
            log.info("Reading path: " + tempStorageHandle.toString());
            try (InputStream inputStream = tempStorage.open(tempDataOperationContext, tempStorageHandle);
                InputStreamSliceInput inputStreamSliceInput = new InputStreamSliceInput(inputStream)) {
                Iterator<SerializedPage> pagesIterator = readSerializedPages(inputStreamSliceInput);
                while (pagesIterator.hasNext()) {
                    SerializedPage serializedPage = pagesIterator.next();
                    checksum.update(serializedPage.getSlice().byteArray(), serializedPage.getSlice().byteArrayOffset(), serializedPage.getSlice().length());
                    Page deserializedPage = pagesSerde.deserialize(serializedPage);
                    pages.add(deserializedPage);
                    stagingBroadcastTableSizeInBytes += deserializedPage.getRetainedSizeInBytes();
                }
                updateMemory.update();
            }
            if (checksum.getValue() != prestoSparkStorageHandle.getChecksum()) {
                throw new PrestoException(STORAGE_ERROR, "Disk page checksum does not match. " + "Data seems to be corrupted on disk for file " + tempStorageHandle.toString());
            }
        }
        return pages.build();
    } catch (UncheckedIOException | IOException e) {
        throw new PrestoException(STORAGE_ERROR, "Unable to read data from disk: ", e);
    }
}