AngersZhuuuu commented on issue #27419: [SPARK-30694][SHUFFLE]If exception occured while fetching blocks by ExternalBlockClient, fail early when External Shuffle Service is not alive URL: https://github.com/apache/spark/pull/27419#issuecomment-580749502 cc @cloud-fan Hope for you suggestion, Here we best throw a exception like ``` /** * Exception throw when can't connect to External Shuffle Service */ private[spark] case class ExternalShuffleServiceLostException(message: String) extends SparkException(message) ``` But this module didn't dependency on `spark-core`, And maybe we should add a check to make sure External Shuffle Service down
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