Github user ArtRand commented on a diff in the pull request:
https://github.com/apache/spark/pull/19272#discussion_r148982165
--- Diff:
core/src/main/scala/org/apache/spark/scheduler/cluster/CoarseGrainedSchedulerBackend.scala
---
@@ -99,11 +96,8 @@ class CoarseGrainedSchedulerBackend(scheduler:
TaskSchedulerImpl, val rpcEnv: Rp
// The num of current max ExecutorId used to re-register appMaster
@volatile protected var currentExecutorIdCounter = 0
- // hadoop token manager used by some sub-classes (e.g. Mesos)
- def hadoopDelegationTokenManager: Option[HadoopDelegationTokenManager] =
None
--- End diff --
No longer needed because resource-manager backends (may) implement their
own `initializeHadoopDelegationTokens`.
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