skonto edited a comment on issue #24748: [SPARK-27872][K8s] Fix executor service account inconsistency URL: https://github.com/apache/spark/pull/24748#issuecomment-498066570 @felixcheung that is true yet the driver needs to create certain resources so it needs some privileges. So DoS is possible here by design before this PR and as you said it is not secure. On the other hand, this is the case with other resource manager eg. mesos where you could potentially register a framework and start accepting offers with the same privileges.
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