Github user jerryshao commented on a diff in the pull request:
https://github.com/apache/spark/pull/20657#discussion_r175638637
--- Diff:
resource-managers/mesos/src/main/scala/org/apache/spark/scheduler/cluster/mesos/MesosHadoopDelegationTokenManager.scala
---
@@ -105,7 +105,8 @@ private[spark] class MesosHadoopDelegationTokenManager(
case e: Exception =>
// Log the error and try to write new tokens back in an hour
logWarning("Couldn't broadcast tokens, trying again in an
hour", e)
--- End diff --
Shall we update the log to reflect the configured waiting hour.
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