[SPARK-12228] Use in-memory for execution hive's derby metastore

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.0.0
• Component/s: SQL
• Target Version/s: 2.0.0
• Assignee: Yin Huai
• Reporter: Yin Huai
• Created: 09/Dec/15 03:25
• Updated: 10/Dec/15 20:04
• Resolved: 10/Dec/15 20:04

Description

Starting from Hive 0.13, the derby metastore can use a in-memory backend. Since our execution hive is a fake metastore, if we use in-memory mode, we can reduce the time that is used on creating the execution hive.

Issue Links

• links to: [Github] Pull Request #10204 (yhuai)