The ORC team is excited to announce the release of ORC v1.5.4.

The new features of ORC 1.5:

  • ORC-179 Add ORC C++ Writer
  • ORC-91 Support for variable length blocks in HDFS.
  • ORC-199 Implement a CSV to ORC converter
  • ORC-344 Support for using Decimal64ColumnVector
  • ORC-345 Adding Decimal64StatisticsImpl
  • ORC-331 Support for building C++ under MSVC.
  • ORC-234 Support for older versions of Hadoop (>= 2.2.x)
  • ORC-305 Added statistics for size on disk

Known issues:

  • ORC-414 ORC files with malformed protobuf objects can crash C++ reader

  • ORC-562 Don’t wrap the readerSchema with ACID fields, if it already is

  • ORC-569 The first index entry may have empty positions