[FLINK-18467] Document what can be reconfigured for state with TTL between job restarts

• Type: New Feature
• Status: Open
• Priority: Not a Priority
• Resolution: Unresolved
• Affects Version/s: 1.8.4
• Component/s: Runtime / State Backends
• Labels: auto-deprioritized-major auto-deprioritized-minor
• Assignee: Unassigned
• Reporter: Andrey Zagrebin
• Created: 02/Jul/20 13:18
• Updated: 27/Nov/21 23:06

Description

changing whether the state has TTL or not is not easy as it requires migration
but changing how to treat the expiration timestamp is possible, e.g. value of TTL or when to update/remove it
this applies only to changes between job restarts but not while the job is running at the moment

Issue Links

• relates to: FLINK-3089 State API Should Support Data Expiration (State TTL)