单项选择题

下列哪项参数用于设置executor数目（）

A.spark.executor.num
B.spark.executor.instances
C.spark.executor.count
D.spark.executor.scale

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单项选择题

A.yarn logs -applicationId < app ID>
B.yarn logs -id < app ID>
C.yarn application -log < app ID>
D.yarn applicationLog < app ID>

单项选择题

A.spark.yarn.queue
B.spark.yarn.line
C.spark.yarn.seat
D.spark.yarn.priority

单项选择题

A.Spark SQL
B.Spark Streaming
C.PySpark
D.SparkC