[IGNITE-14039] Add warnings about WAL enable/disable requiring topology stability

• Type: Bug
• Status: Resolved
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 2.9.1
• Fix Version/s: 2.10
• Component/s: documentation
• Ignite Flags: Docs Required, Release Notes Required
• Assignee: Ilya Kasnacheev
• Reporter: Ilya Kasnacheev
• Created: 22/Jan/21 14:25
• Updated: 26/Jan/21 04:24
• Resolved: 25/Jan/21 15:57

Description

Due to IGNITE-13976 WAL enable/disable is not suitable for any kind of changing topology and will cause cache to go into inconsistent state. We need to add warnings to javadoc, runtime and documentation, and provide tests.

Issue Links

• is broken by: IGNITE-13976 WAL disable/enable with node restarts results in mismatching state, data loss
• links to: GitHub Pull Request #8688