[FLINK-25835] The task initialization duration is recorded in logs

• Type: Improvement
• Status: Open
• Priority: Not a Priority
• Resolution: Unresolved
• Affects Version/s: 1.12.2, 1.15.0
• Component/s: Runtime / State Backends
• Labels: auto-deprioritized-major auto-deprioritized-minor pull-request-available
• Assignee: Unassigned
• Reporter: Bo Cui
• Created: 27/Jan/22 04:42
• Updated: 22/Aug/23 22:35

Description

https://github.com/apache/flink/blob/a543e658acfbc22c1579df0d043654037b9ec4b0/flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/tasks/StreamTask.java#L644

We are testing the time of state backend initialization for different data levels.However, the task initialization time cannot be obtained from the log file and the time taken to restore the status at the backend cannot be obtained.

Issue Links

• is related to: FLINK-19010 Add a system metric to show the checkpoint restore time
• links to: GitHub Pull Request #18535
• links to: PR-18535