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SerDe is short for Serializer/Deserializer. A SerDe allows Hive to read in data from a table, and write it back out to HDFS in any custom format. Anyone can write their own SerDe for their own data formats. See Hive SerDe for an introduction to SerDes.

Built-in SerDes

  • Avro (Hive 0.9.1 and later)
  • ORC (Hive 0.11 and later)
  • RegEx
  • Thrift
  • Parquet (Hive 0.13 and later)

Third-party SerDes

For JSON files, Amazon has provided a JSON SerDe available at:

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