Github user viper-kun commented on the pull request:
https://github.com/apache/spark/pull/5523#issuecomment-93728497
Between construction, it is normal that it didn't hear from executors. Only
after construction, executors have connected and sent heartbeat to driver. We
can indicates whether there is a disconnection. SparkContext.isInited show
whether SparkContext construction has completed .
>>>I don't think you can call stop() just because you didn't hear from
executors recently.
Is there any better way?
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