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Posted to user@spark.apache.org by "v.chesnokov" <v....@inforion.ru> on 2017/04/27 10:14:17 UTC

[Spark Core] Why SetAccumulator is buried in org.apache.spark.sql.execution.debug?

Currently SetAccumulator (which extends AccumulatorV2[T,java.util.Set[T]]) is a nested class of org.apache.spark.sql.execution.debug.DebugExec. I wonder why this quite useful class is buried there, in spark-sql, and not presented in org.apache.spark.util of spark-core.


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