[SPARK-30684] Show the descripton of metrics for WholeStageCodegen in DAG viz

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.0.0
• Fix Version/s: 3.0.0
• Component/s: Web UI
• Assignee: Kousuke Saruta
• Reporter: Kousuke Saruta
• Created: 30/Jan/20 16:28
• Updated: 09/Feb/20 22:19
• Resolved: 31/Jan/20 19:59

Description

In the DAG viz for SQL, A WholeStageCodegen-node shows some metrics like `33 ms (1 ms, 1 ms, 26 ms (stage 16 (attempt 0): task 172))` but users can't understand what they mean because there are no description about those metrics.

Issue Links

• links to: GitHub Pull Request #27405
• links to: GitHub Pull Request #27490