Github user tgravescs commented on a diff in the pull request:
https://github.com/apache/spark/pull/14065#discussion_r69916415
--- Diff:
yarn/src/main/scala/org/apache/spark/deploy/yarn/token/AMDelegationTokenRenewer.scala
---
@@ -171,10 +174,9 @@ private[yarn] class AMDelegationTokenRenewer(
keytabLoggedInUGI.doAs(new PrivilegedExceptionAction[Void] {
// Get a copy of the credentials
override def run(): Void = {
- val nns = YarnSparkHadoopUtil.get.getNameNodesToAccess(sparkConf)
+ dst
- hadoopUtil.obtainTokensForNamenodes(nns, freshHadoopConf,
tempCreds)
- hadoopUtil.obtainTokenForHiveMetastore(sparkConf, freshHadoopConf,
tempCreds)
- hadoopUtil.obtainTokenForHBase(sparkConf, freshHadoopConf,
tempCreds)
+ hdfsTokenProvider(sparkConf).setNameNodesToAccess(sparkConf,
Set(dst))
+ hdfsTokenProvider(sparkConf).setTokenRenewer(null)
--- End diff --
why are we setting this to null here? is it supposed to indicate that its
not supposed to be renewed internally?
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