Github user tgravescs commented on a diff in the pull request:
https://github.com/apache/spark/pull/7394#discussion_r34576009
--- Diff: yarn/src/main/scala/org/apache/spark/deploy/yarn/Client.scala ---
@@ -120,6 +125,10 @@ private[spark] class Client(
// Finally, submit and monitor the application
logInfo(s"Submitting application ${appId.getId} to ResourceManager")
yarnClient.submitApplication(appContext)
+ if (loginFromKeytab && !isClusterMode) {
+ delegationTokenUpdater = Some(new
ExecutorDelegationTokenUpdater(sparkConf, yarnConf))
--- End diff --
any reason we aren't using
SparkHadoopUtil.startExecutorDelegationTokenRenewer?
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