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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