Hive通过配置hive.execution.engine参数来切换底层的计算引擎,具体为:
(1)底层为MapReduce计算引擎
set hive.execution.engine=mr;
(2)底层为Spark计算引擎
set hive.execution.engine=spark;
Hive通过配置hive.execution.engine参数来切换底层的计算引擎,具体为:
(1)底层为MapReduce计算引擎
set hive.execution.engine=mr;
(2)底层为Spark计算引擎
set hive.execution.engine=spark;