[SPARK-40596] Populate ExecutorDecommission with more informative messages

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.4.0
• Component/s: Spark Core
• Assignee: Bo Zhang
• Reporter: Bo Zhang
• Created: 28/Sep/22 10:45
• Updated: 16/Dec/22 18:53
• Resolved: 11/Oct/22 01:51

Description

Currently the message in ExecutorDecommission is a fixed value "Executor decommission.", and it is the same for all cases, including spot instance interruptions and auto-scaling down. We should put a detailed message in ExecutorDecommission to better differentiate those cases.

Issue Links

• links to: [Github] Pull Request #38030 (bozhang2820)
• links to: [Github] Pull Request #38030 (bozhang2820)