[FLINK-2921] Add online documentation of sample methods

• Type: Improvement
• Status: Closed
• Priority: Not a Priority
• Resolution: Won't Do
• Affects Version/s: 0.10.0
• Component/s: Documentation
• Assignee: Unassigned
• Reporter: Till Rohrmann
• Created: 26/Oct/15 10:16
• Updated: 23/Aug/21 09:41
• Resolved: 23/Aug/21 09:41

Description

I couldn't find online documentation about Flink's sampling API (as part of the DataSetUtils/utils package object). We should add information for these methods to our online documentation so that people can more easily use it.