[FLINK-33071] Log checkpoint statistics

• Type: New Feature
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.18.0
• Fix Version/s: 1.19.0, 1.18.1
• Component/s: Runtime / Checkpointing, Runtime / Metrics
• Labels: pull-request-available
• Assignee: Piotr Nowojski
• Reporter: Piotr Nowojski
• Created: 11/Sep/23 15:46
• Updated: 15/Sep/23 11:37
• Resolved: 15/Sep/23 09:41

Description

This is a stop gap solution until we have a proper way of solving FLINK-23411.

The plan is to dump JSON serialised checkpoint statistics into Flink JM's log, with a DEBUG level. This could be used to analyse what has happened with a certain checkpoint in the past.

Issue Links

• is related to: FLINK-23411 Expose Flink checkpoint details metrics
• links to: GitHub Pull Request #23391
• links to: GitHub Pull Request #23426