HDP 2.2.9 provides Apache Pig 0.14.0 and the following additional Apache patches:
PIG-4624: Error on ORC empty file without schema.
PIG-4628: Pig 0.14 job with order by fails in mapreduce mode with Oozie.
PIG-4679: Performance degradation due to InputSizeReducerEstimator since PIG-3754.
PIG-4683: Nested order is broken after PIG-3591 in some cases.
PIG-4688: Limit followed by POPartialAgg can give empty or partial results in Tez.
PIG-4696: Empty map returned by a streaming_python udf wrongly contains a null key.
PIG-4714: Improve logging across multiple components with callerId.
PIG-4715: Pig 0.14 does not work with Tez 0.5.4.
PIG-156: Pig command fails because the input line is too long
PIG-4334: PigProcessor does not set pig.datetime.default.tz
PIG-4342: Pig 0.14 cannot identify the uppercase of DECLARE and DEFAULT
PIG-4377: Skewed outer join produce wrong result in some cases