[TAJO-1743] Improve calculation of intermediate table statistics

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.8.0, 0.9.0, 0.10.0, 0.10.1
• Fix Version/s: 0.11.0
• Component/s: Data Shuffle, Physical Operator, Storage
• Assignee: Jinho Kim
• Reporter: Jinho Kim
• Created: 05/Aug/15 10:42
• Updated: 10/Aug/15 05:35
• Resolved: 10/Aug/15 05:30

Description

Internal storage calculates the statistic(min, max) for intermediate data shuffling. but the statistics requires only to the range shuffle in the current implementation. We should remove unnecessary computing

Issue Links

• is required by: TAJO-1340 Change the default output file format.