[SPARK-39751] Better naming for hash aggregate key probing metric

• Type: Improvement
• Status: Resolved
• Priority: Trivial
• Resolution: Fixed
• Affects Version/s: 3.4.0
• Fix Version/s: 3.4.0
• Component/s: SQL
• Assignee: Cheng Su
• Reporter: Cheng Su
• Created: 12/Jul/22 07:13
• Updated: 13/Jul/22 14:47
• Resolved: 13/Jul/22 14:47

Description

Hash aggregate has a SQL metric to record average probes per key, but it has a very obsure name called "avg hash probe bucket list iters". We should give it a better name to avoid confusing users.

Issue Links

• links to: [Github] Pull Request #37164 (c21)
• links to: [Github] Pull Request #37164 (c21)