The ORC team is excited to announce the release of ORC v1.1.1. This release contains the Java reader and writer and the native C++ ORC reader and tools.

The major new features in ORC 1.1 are:

  • ORC-1 Copy the Java ORC code from Hive.
  • ORC-10 Fix the C++ reader to correctly read timestamps from timezones with different daylight savings rules.
  • ORC-52 Add mapred and mapreduce connectors.

Known issues:

  • CVE-2018-8015 ORC files with malformed types cause stack overflow.

  • HIVE-14214 Schema evolution and predicate pushdown don’t work together.

  • ORC-101 Bloom filters for string and decimal use inconsistent encoding

  • ORC-135 Predicate push down is incorrect on timestamps when moved between timezones

  • ORC-285 Empty vector batches of floats or doubles cause EOFException