[FLINK-31650] Incorrect busyMsTimePerSecond metric value for FINISHED task

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.17.0, 1.16.1, 1.15.4
• Fix Version/s: 1.19.0, 1.18.1, 1.17.3
• Component/s: Runtime / Metrics, Runtime / REST
• Labels: pull-request-available
• Assignee: Zhanghao Chen
• Reporter: Lijie Wang
• Created: 29/Mar/23 02:49
• Updated: 29/Aug/24 06:18
• Resolved: 26/Dec/23 01:59

Description

As shown in the figure below, the busyMsTimePerSecond of the FINISHED task is 100%, which is obviously unreasonable.

Issue Links

• causes: FLINK-36172 Web UI Freezes When There Are Many Finished Tasks in Batch Jobs
• links to: GitHub Pull Request #23447
• links to: GitHub Pull Request #23988