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HadoopMapReduceCommitProtocol is a FileCommitProtocol.

HadoopMapReduceCommitProtocol is a Serializable (Java) (to be sent out in tasks over the wire to executors).

Creating Instance

HadoopMapReduceCommitProtocol takes the following to be created:

  • Job ID
  • Path
  • dynamicPartitionOverwrite flag (default: false)

HadoopMapReduceCommitProtocol is created when:


Enable ALL logging level for logger to see what happens inside.

Add the following line to conf/ =
logger.HadoopMapReduceCommitProtocol.level = all

Refer to Logging.