agrawaldevesh commented on a change in pull request #29015:
URL: https://github.com/apache/spark/pull/29015#discussion_r455392886
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File path: core/src/main/scala/org/apache/spark/deploy/DeployMessage.scala
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@@ -108,6 +108,9 @@ private[deploy] object DeployMessages {
case class Heartbeat(workerId: String, worker: RpcEndpointRef) extends
DeployMessage
+ // Out of band commands to Master
+ case class DecommissionHostPorts(hostPorts: Seq[String])
Review comment:
I am narrowing the scope to simply decommission a bunch of hostnames,
and all workers within a host will go away. This is the only production use
case I have in mind and there is no need to design for the flexibility of
wanting to decommission an individual worker on the node.
As such, I have renamed the API to `DecommissionHosts` and it takes a list
of host names.
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