[FLINK-14816] Add thread dump feature for taskmanager

• Type: New Feature
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.9.1
• Fix Version/s: 1.11.0
• Component/s: Runtime / Web Frontend
• Labels: pull-request-available usability
• Release Note: It is now possible to create and view the thread dump of a `TaskExecutor` through Flink's web ui. The thread dump view can be found under `Task Managers -> Task Manager -> Thread Dump tab`.
• Assignee: lamber-ken
• Reporter: lamber-ken
• Due: 23/Nov/19
• Created: 15/Nov/19 09:41
• Updated: 11/May/20 08:23
• Resolved: 04/May/20 10:05

Description

Add thread dump feature for taskmanager, so use can get thread information easily.

Issue Links

• is duplicated by: FLINK-17485 Add a thread dump REST API
• links to: GitHub Pull Request #10228
• links to: GitHub Pull Request #11887