Github user jerryshao commented on a diff in the pull request:
https://github.com/apache/spark/pull/14789#discussion_r87119403
--- Diff: core/src/main/scala/org/apache/spark/deploy/SparkHadoopUtil.scala
---
@@ -138,6 +138,14 @@ class SparkHadoopUtil extends Logging {
}
/**
+ * Update credentials manually. This will trigger AM to renew the
credentials immediately,
+ * also executors and driver (in client mode) will update the
credentials accordingly.
+ *
+ * Note this will only be worked under YARN cluster manager.
+ */
+ def updateCredentials(sc: SparkContext): Unit = { }
--- End diff --
Agreed, `Future` might be better, I will change it.
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