[FLINK-4401] Add docs about ordering in streams

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Component/s: Documentation
• Assignee: Unassigned
• Reporter: Ufuk Celebi
• Created: 16/Aug/16 08:41
• Updated: 15/Jan/20 13:28
• Resolved: 15/Jan/20 13:28

Description

I've seen questions about ordering guarantees in streams come up frequently on the mailing lists. We should add a page about this to the docs in order to make it explicit what kind of ordering guarantees users get for streams, keyed streams, windows, etc.