presto-orc/src/main/java/io/prestosql/orc/OrcRecordReader.java/OrcRecordReader/createTinyStripesRangeFinder
class OrcRecordReader:        public static LinearProbeRangeFinder createTinyStripesRangeFinder(List<StripeInformation> stripes, DataSize maxMergeDistance, DataSize tinyStripeThreshold)
        {
            if (stripes.isEmpty()) {
                return new LinearProbeRangeFinder(ImmutableList.of());
            }

            List<DiskRange> scratchDiskRanges = stripes.stream()
                    .map(stripe -> new DiskRange(stripe.getOffset(), toIntExact(stripe.getTotalLength())))
                    .collect(Collectors.toList());
            List<DiskRange> diskRanges = mergeAdjacentDiskRanges(scratchDiskRanges, maxMergeDistance, tinyStripeThreshold);

            return new LinearProbeRangeFinder(diskRanges);
        }