[HIVE-7313] Allow in-memory/ssd session-level temp-tables

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.14.0
• Fix Version/s: 1.1.0
• Component/s: Tez
• Labels: InMemory Performance
• Release Note: Memory & SSD storage policies for temporary tables.
• Assignee: Gopal Vijayaraghavan
• Reporter: Gopal Vijayaraghavan
• Created: 28/Jun/14 02:38
• Updated: 14/Jun/15 20:44
• Resolved: 15/Jan/15 22:26

Description

With HDFS storage policies implementation, temporary tables can be written with different storage/reliability policies.

In-session temporary tables can be targetted at both SSD and memory storage policies, with fallbacks onto the disk and the associated reliability trade-offs.

Issue Links

• relates to: HIVE-7090 Support session-level temporary tables in Hive
• requires: HIVE-9244 Upgrade 0.23 hadoop-shims to latest stable hadoop-2.6.0
• links to: RB