[FLINK-19487] Checkpoint start delay is always zero for single channel tasks

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 1.11.2
• Fix Version/s: 1.12.0, 1.13.0
• Component/s: Runtime / Checkpointing, Runtime / Metrics
• Labels: stale-assigned
• Assignee: Piotr Nowojski
• Reporter: Piotr Nowojski
• Created: 01/Oct/20 14:28
• Updated: 17/Sep/21 07:11
• Resolved: 23/Apr/21 06:47

Description

In CheckpointBarrierAligner we are marking start of the checkpoint only if the number of channels is more than 1. As a result of this, checkpointStartDelay is never updated.

Issue Links

• links to: Fix commit