[FLINK-20834] Add metrics for reporting the memory usage and CPU usage of the Python UDF workers

• Type: Improvement
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Fix Version/s: 1.20.0
• Component/s: API / Python
• Labels: auto-deprioritized-major
• Assignee: Unassigned
• Reporter: Wei Zhong
• Created: 04/Jan/21 03:52
• Updated: 11/Mar/24 12:43

Description

Currently these is no official approach to access the memory usage and CPU usage of the Python UDF workers. We need to add these metrics to monitor the running status of the Python processes.