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Comment: add explanation of values for hive.llap.execution.mode (thanks, Sergey)

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Updates Tez job execution progress in-place in the terminal when Hive CLI is used.

LLAP

Live Long and Process Low Latency Analytical Processing (LLAP) functionality was added in Hive 2.0 (HIVE-7926 and associated tasks).  For For details see LLAP in Hive.

LLAP adds the following configuration properties. 

hive.llap.execution.mode
  • Default Value: none
  • Possible Values: auto, none, all, map; also only (as of 2.2.0 with HIVE-15135)
  • Added In: Hive 2.0.0 with HIVE-9635

Chooses whether query fragments will run in a container or in LLAP. When set to "all" everything runs in LLAP if possible; "only" is like "all" but disables fallback to containers, so that the query fails if it cannot run in LLAP.

hive.server2.llap.concurrent.queries

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