presto-orc/src/main/java/io/prestosql/orc/stream/AbstractDiskOrcDataReader.java/AbstractDiskOrcDataReader/AbstractDiskOrcDataReader
class AbstractDiskOrcDataReader:    public AbstractDiskOrcDataReader(OrcDataSourceId orcDataSourceId, int dataSize, int bufferSize)
    {
        this.orcDataSourceId = requireNonNull(orcDataSourceId, "orcDataSourceId is null");
        this.dataSize = dataSize;
        this.maxBufferSize = min(bufferSize, dataSize);
    }