[HIVE-1283] map join does not stream the big tables

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Component/s: Query Processor
• Assignee: Unassigned
• Reporter: Namit Jain
• Created: 26/Mar/10 01:09
• Updated: 14/Jan/13 22:46

Description

Currently, all the keys from the big table are read before the join is performed.

It might be very slow if there is a hue skew, it might be a good optimization to stream the larger table