[PIG-3654] Add class cache to PigContext

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 0.12.0
• Hadoop Flags: Reviewed
• Release Note: Cache resolved classes in PigContext to improve script compile performance
• Assignee: Travis Woodruff
• Reporter: Travis Woodruff
• Created: 07/Jan/14 15:27
• Updated: 22/Jan/14 18:48
• Resolved: 22/Jan/14 18:48

Description

While benchmarking compile time for a large scripts, I noticed that class lookups for UDFs accounted for a significant amount of time. Adding a simple cache for looked up classes would speed up compile time noticeably.