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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