[SPARK-28935] Document SQL metrics for Details for Query Plan

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.0.0
• Fix Version/s: 3.0.0
• Component/s: Documentation
• Assignee: L. C. Hsieh
• Reporter: Xiao Li
• Created: 30/Aug/19 23:57
• Updated: 06/Sep/19 22:57
• Resolved: 06/Sep/19 22:57

Description

https://github.com/apache/spark/pull/25349 shows the query plans but it does not describe the meaning of each metric in the plan. For end users, they might not understand the meaning of the metrics we output. 

 

Issue Links

• links to: GitHub Pull Request #25658