[HIVE-5666] use Path instead of String for IOContext.inputPath

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.13.0
• Assignee: Thejas Nair
• Reporter: Thejas Nair
• Created: 28/Oct/13 07:11
• Updated: 28/Oct/13 22:46
• Resolved: 28/Oct/13 18:43

Description

Path is converted to string in HiveContextAwareRecordReader to be stored in IOContext.inputPath, then in MapOperator normalizePath gets called on it which converts it back to Path.
Path creation is expensive, so it is better to use Path instead of string through the call stack.

This is also a step towards HIVE-3616.