[HIVE-16383] Switch to HikariCP as default connection pooling

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.0.0
• Fix Version/s: 3.0.0
• Component/s: Metastore
• Labels: TODOC3.0
• Target Version/s: 3.0.0
• Hadoop Flags: Incompatible change
• Assignee: Prasanth Jayachandran
• Reporter: Prasanth Jayachandran
• Created: 05/Apr/17 17:51
• Updated: 01/Oct/19 22:07
• Resolved: 08/Apr/17 04:26

Description

Since 3.0 is planned to move to JDK8, we can now switch to HikariCP as default connection pooling for DN because of its improved performance over others.

Issue Links

• is related to: HIVE-16321 Possible deadlock in metastore with Acid enabled