[HIVE-12236] Enable SimpleFetchOptimizer for more query types

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.3.0, 2.0.0
• Fix Version/s: 2.0.0
• Component/s: Logical Optimizer
• Target Version/s: 2.0.0
• Assignee: Ashutosh Chauhan
• Reporter: Gopal Vijayaraghavan
• Created: 23/Oct/15 00:12
• Updated: 16/Feb/16 23:53
• Resolved: 03/Dec/15 00:51

Description

Currently, metadata queries fired by BI tools tend to thrash LLAP's cache.

Bypass the cache and process metadata queries directly from HiveServer2