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Release 1.12 (2024-11-13)

MR3​

  • Implement delay scheduling. Enabling delay scheduling with the configuration key mr3.taskattempt.queue.scheme.use.delay is recommended when using LLAP I/O.
  • mr3.am.session.share.dag.client.rpc specifies whether or not to create a new DAGClientRPC object for each DAG (in session mode).
  • Introduce mr3.yarn.priority to specify the priority of the MR3 Yarn application.
  • Support fault tolerance when using Celeborn 0.5.1.

Hive on MR3​

  • Support Hive 4.0.1.