[SPARK-7007] Add metrics source for ExecutorAllocationManager to expose internal status

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 1.3.0
• Component/s: Spark Core, YARN
• Assignee: Unassigned
• Reporter: Saisai Shao
• Created: 20/Apr/15 08:50
• Updated: 12/Dec/22 18:10
• Resolved: 12/Feb/19 20:55

Description

Add a metric source to expose the internal status of ExecutorAllocationManager to better monitoring the executor allocation when running on Yarn.

Issue Links

• links to: [Github] Pull Request #5589 (jerryshao)