Github user guoxiaolongzte commented on a diff in the pull request: https://github.com/apache/spark/pull/20259#discussion_r161959792 --- Diff: core/src/main/scala/org/apache/spark/deploy/master/Master.scala --- @@ -179,6 +181,7 @@ private[deploy] class Master( } persistenceEngine = persistenceEngine_ leaderElectionAgent = leaderElectionAgent_ + startupTime = System.currentTimeMillis() --- End diff -- I understand what you mean. I do not always query, but developers occasionally to observe.
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