Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/19272#discussion_r146436646
--- Diff:
resource-managers/yarn/src/main/scala/org/apache/spark/deploy/yarn/security/AMCredentialRenewer.scala
---
@@ -59,8 +59,7 @@ private[yarn] class AMCredentialRenewer(
private var lastCredentialsFileSuffix = 0
private val credentialRenewer =
- Executors.newSingleThreadScheduledExecutor(
- ThreadUtils.namedThreadFactory("Credential Refresh Thread"))
+ ThreadUtils.newDaemonSingleThreadScheduledExecutor("Credential Refresh
Thread")
--- End diff --
Normally you should avoid making changes that are not related to your PR.
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