Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/20657#discussion_r172362293
--- Diff: core/src/main/scala/org/apache/spark/deploy/SparkHadoopUtil.scala
---
@@ -144,7 +145,8 @@ class SparkHadoopUtil extends Logging {
private[spark] def addDelegationTokens(tokens: Array[Byte], sparkConf:
SparkConf) {
UserGroupInformation.setConfiguration(newConfiguration(sparkConf))
val creds = deserialize(tokens)
- logInfo(s"Adding/updating delegation tokens ${dumpTokens(creds)}")
+ logInfo("Updating delegation tokens for current user.")
--- End diff --
That information is already logged by the AM, that's enough for debugging.
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