[TAJO-1383] Improve broadcast table cache

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.8.0, 0.9.0, 0.10.0
• Fix Version/s: 0.11.0
• Component/s: Physical Operator
• Labels: performance
• Assignee: Jinho Kim
• Reporter: Jinho Kim
• Created: 10/Mar/15 02:39
• Updated: 13/Mar/15 08:15
• Resolved: 13/Mar/15 07:57

Description

Currently, broadcast implementation keep a tuples on scan operator and It create a duplicated table cache in memory.
We should improve it