Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/14926#discussion_r78106170
--- Diff:
core/src/main/scala/org/apache/spark/ExecutorAllocationManager.scala ---
@@ -392,10 +397,36 @@ private[spark] class ExecutorAllocationManager(
}
/**
- * Request the cluster manager to remove the given executor.
+ * Request the cluster manager to remove the given executors.
* Return whether the request is received.
*/
- private def removeExecutor(executorId: String): Boolean = synchronized {
+ private def removeExecutors(executorIds: Seq[String]): Boolean =
synchronized {
+
+ val executorIdsToBeRemoved = executorIds.filter(canBeKilled)
+
+ // Send a request to the backend to kill this executor
+ val removeRequestAcknowledged = testing ||
client.killExecutors(executorIdsToBeRemoved)
--- End diff --
> Killing any one of them should return true
That's the current behavior, so it should be preserved. Yeah it's sketchy
but there really isn't a good solution, so go with the current state of things.
> Can we change the api to return the list of killed executors
It's marked as `@DeveloperApi`, but even then, it's frowned upon to break
compatibility for these APIs.
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