[FLINK-15746] Show tooltip with explanation of the statistics in the WebUI

• Type: New Feature
• Status: Open
• Priority: Not a Priority
• Resolution: Unresolved
• Affects Version/s: 1.10.0
• Component/s: Runtime / Web Frontend
• Labels: auto-deprioritized-major auto-deprioritized-minor
• Assignee: Unassigned
• Reporter: Piotr Nowojski
• Created: 24/Jan/20 08:51
• Updated: 19/Nov/21 10:39

Description

It would be nice to display explanation of the statistics (for example checkpoint statistics like Start Delay or Alignment Duration) in the WebUI in some kind of tool tip, after hoovering over the column.

Maybe we could inject the description from the Flink doc automatically somehow?

CC vthinkxie