[MAPREDUCE-1329] Make MapTask.MapOutputBuffer logic more understandable

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Component/s: task
• Assignee: Christopher Douglas
• Reporter: Christopher Douglas
• Created: 23/Dec/09 01:12
• Updated: 23/Dec/09 01:13

Description

As noted here, the collection logic could be clarified by explicitly separating states rather than inferring status by examining low-level markers. Similarly, abstractions for metadata, etc. should replace the offset arithmetic currently in use.