[FLINK-36344] Introduce lastCheckpointCompletedTimestamp metrics

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.0-preview
• Component/s: Runtime / Checkpointing, Runtime / Metrics
• Labels: pull-request-available
• Assignee: Baozhu Zhao
• Reporter: Yun Tang
• Created: 21/Sep/24 03:07
• Updated: 12/Oct/24 02:23
• Resolved: 30/Sep/24 06:14

Description

Currently, we cannot know how long no new checkpoint ever completed based on the existing metrics, we should introduce lastCheckpointCompletedTimestamp to let the users could create alerts on how long no new checkpoints ever completed.

Issue Links

• links to: GitHub Pull Request #25399