Github user vanzin commented on a diff in the pull request: https://github.com/apache/spark/pull/8093#discussion_r43578203 --- Diff: core/src/main/scala/org/apache/spark/scheduler/cluster/CoarseGrainedSchedulerBackend.scala --- @@ -189,7 +188,9 @@ class CoarseGrainedSchedulerBackend(scheduler: TaskSchedulerImpl, val rpcEnv: Rp override def onDisconnected(remoteAddress: RpcAddress): Unit = { addressToExecutorId .get(remoteAddress) - .foreach(removeExecutor(_, SlaveLost("remote Rpc client disassociated"))) + .foreach(removeExecutor(_, SlaveLost("Remote RPC client disassociated. Likely due to " + + "containers exceeding thresholds, or network issues. Check driver logs for WARN " + --- End diff -- nit: this line and the next should be indented.
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