[DRILL-133] Add support for Local Exchange nodes

• Type: New Feature
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.8.0
• Component/s: Execution - Relational Operators
• Assignee: Venki Korukanti
• Reporter: Jacques Nadeau
• Created: 03/Jul/13 00:12
• Updated: 09/Mar/15 20:24
• Resolved: 09/Mar/15 17:42

Description

Exchange nodes currently assume remote communication. In certain situations, it is useful to consolidate separate minor fragments together before pushing to remote nodes. This can reduce the communication overhead depending on the size and nature of the data.