[SPARK-26316] Because of the perf degradation in TPC-DS, we currently partial revert SPARK-21052：Add hash map metrics to join,

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.3.0, 2.3.1, 2.3.2, 2.4.0
• Fix Version/s: 2.3.3, 2.4.1, 3.0.0
• Component/s: SQL
• Assignee: Ke Jia
• Reporter: Ke Jia
• Created: 10/Dec/18 06:13
• Updated: 05/Jan/19 14:59
• Resolved: 11/Dec/18 13:28

Description

The code of  L486 and L487 in  SPARK-21052 cause performance degradation in spark2.3. The result of  all queries in TPC-DS with 1TB is in TPC-DS result

Issue Links

• is duplicated by: SPARK-26155 Spark SQL performance degradation after apply SPARK-21052 with Q19 of TPC-DS in 3TB scale
• relates to: SPARK-21052 Add hash map metrics to join
• links to: [Github] Pull Request #23269 (JkSelf)
• links to: [Github] Pull Request #23318 (JkSelf)
• links to: GitHub Pull Request #23269
• links to: GitHub Pull Request #23318
• links to: GitHub Pull Request #23319