[SPARK-34088] Rename all decommission configurations to use the same namespace "spark.decommission.*"

• Type: Sub-task
• Status: In Progress
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 3.1.0
• Component/s: Spark Core
• Assignee: Unassigned
• Reporter: wuyi
• Created: 12/Jan/21 12:02
• Updated: 12/Jan/21 12:12

Description

Currently, decommission configurations are using difference namespaces, e.g., 

• spark.decommission

• spark.storage.decommission

• spark.executor.decommission

which may introduce unnecessary overhead for end-users. It's better to keep them under the same namespace.

Issue Links

• links to: [Github] Pull Request #31151 (Ngone51)