[MAPREDUCE-6687] Allow specifing java home via job configuration

• Type: New Feature
• Status: Resolved
• Priority: Minor
• Resolution: Implemented
• Component/s: applicationmaster
• Assignee: Unassigned
• Reporter: He Tianyi
• Created: 27/Apr/16 05:03
• Updated: 21/Jul/16 01:36
• Resolved: 21/Jul/16 01:36

Description

Suggest allowing user to use a preferred JVM implementation (or version) by specifying java home via JobConf, to launch Map/Reduce tasks.

Especially useful for running A/B tests on real workload or benchmark between JVM implementations.