[IGNITE-10502] Add a danger block into transactions documentation

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.6
• Fix Version/s: 2.7.5
• Component/s: documentation
• Labels: documentation
• Assignee: Ilya Kasnacheev
• Reporter: Roman Guseinov
• Created: 03/Dec/18 03:23
• Updated: 09/Jul/19 12:27
• Resolved: 09/Jul/19 12:27

Description

Currently, we can not safely use caches with CacheStore and caches without this one inside the same transaction. Those types of caches have different recovery methods and some topology changes can lead inconsistent data:

https://issues.apache.org/jira/browse/IGNITE-10452

It should be mentioned in the documentation to avoid confusing the users.