[FLINK-5260] Add docs about how to react to cancellation

• Type: Improvement
• Status: Open
• Priority: Not a Priority
• Resolution: Unresolved
• Component/s: Documentation
• Labels: auto-deprioritized-major auto-deprioritized-minor
• Assignee: Unassigned
• Reporter: Ufuk Celebi
• Created: 05/Dec/16 11:39
• Updated: 07/Jan/22 22:38

Description

Task cancellation with operators that work against external services can be a source of confusion for users. Since users need to cooperate for this, I would like to see some docs added about how the user can do this (which callbacks are available, how to react to interrupts, etc.)