[FLINK-30585] Improve flame graph performance at subtask level

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Done
• Affects Version/s: 1.17.0
• Fix Version/s: 1.18.0
• Component/s: Runtime / Task, Runtime / Web Frontend
• Labels: pull-request-available
• Assignee: Rui Fan
• Reporter: Rui Fan
• Created: 06/Jan/23 07:21
• Updated: 09/Jun/23 09:17
• Resolved: 09/Jun/23 09:17

Description

After FLINK-30185 , we can view the flame graph of subtask level. However, it always collects flame graphs for all subtasks.

We should collect the flame graph of single subtask instead of all subtasks.

Issue Links

• links to: GitHub Pull Request #22552