Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/5523#discussion_r28494320
--- Diff: core/src/main/scala/org/apache/spark/SparkContext.scala ---
@@ -75,6 +75,8 @@ import org.apache.spark.util._
*/
class SparkContext(config: SparkConf) extends Logging with
ExecutorAllocationClient {
+ var isInited: Boolean = false
--- End diff --
This is going to conflict with the overhaul of the SparkContext
constructor. I don't see why this depends on the constructor finishing since
where you reference the SparkContext, it has been constructed. I also don't
think that a lack of executor messages indicates a disconnection; it's not
possible to distinguish from temporary loss of connectivity this way. I think
you'd have to explain this a lot more (with tests) or close this.
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