[FLINK-22814] New sources are not defining/exposing checkpointStartDelayNanos metric

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.13.1, 1.12.4
• Fix Version/s: 1.14.0, 1.12.5, 1.13.2
• Component/s: API / DataStream, Runtime / Metrics
• Labels: pull-request-available
• Assignee: Piotr Nowojski
• Reporter: Piotr Nowojski
• Created: 31/May/21 15:32
• Updated: 23/Sep/21 17:21
• Resolved: 01/Jun/21 12:36

Description

checkpointStartDelayNanos metric for new (FLIP-27) sources is always 0ms in the WebUI, regardless how long it took to finally start triggering the checkpoint.

Issue Links

• relates to: FLINK-22833 Source tasks (both old and new) are not reporting checkpoint start delay via CheckpointMetrics
• links to: GitHub Pull Request #16033