[MAPREDUCE-979] JobConf.getMemoryFor{Map|Reduce}Task doesn't fallback to newer config knobs when mapred.taskmaxvmem is set to DISABLED_MEMORY_LIMIT of -1

• Type: Bug
• Status: Resolved
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 0.20.1
• Fix Version/s: 0.20.2
• Component/s: jobtracker, tasktracker
• Hadoop Flags: Reviewed
• Release Note: Added support to fallback to new task memory configuration when deprecated memory configuration values are set to disabled.
• Assignee: Sreekanth Ramakrishnan
• Reporter: Arun Murthy
• Created: 15/Sep/09 03:59
• Updated: 14/Oct/09 17:05
• Resolved: 12/Oct/09 09:48

Description

JobConf.getMemoryFor

{Map|Reduce}

Task doesn't fallback to newer config knobs when mapred.taskmaxvmem is set to DISABLED_MEMORY_LIMIT of -1, this results in failed job-submissions when mapred-default.xml has the default value of -1.