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changes.mady.by.user Vineet Garg

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changes.mady.by.user Lefty Leverenz

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Comment: add hive.spark.use.file.size.for.mapjoin (HIVE-15489) and hive.spark.use.ts.stats.for.mapjoin (HIVE-16336), fix link to HIVE-15039

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  • Default Value: true
  • Added In: Hive 2.2.0 with HIVE-15039

Updates Spark job execution progress in-place in the terminal.

hive.spark.use.file.size.for.mapjoin

If this is set to true, mapjoin optimization in Hive/Spark will use source file sizes associated with the TableScan operator on the root of the operator tree, instead of using operator statistics.

hive.spark.use.ts.stats.for.mapjoin

If this is set to true, mapjoin optimization in Hive/Spark will use statistics from TableScan operators at the root of the operator tree, instead of parent ReduceSink operators of the Join operator.

hive.spark.explain.user
  • Default Value: false
  • Added In: Hive 3.0.0 with HIVE-11133

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