[MAPREDUCE-336] The logging level of the tasks should be configurable by the job - ASF JIRA

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Details

Type: Improvement
Status: Closed
Priority: Major
Resolution: Fixed
Affects Version/s: None
Fix Version/s: 0.21.0
Component/s: None
Labels:
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Release Note:

Hide
Allow logging level of map/reduce tasks to be configurable.
Configuration changes:
  add mapred.map.child.log.level
  add mapred.reduce.child.log.level

Show
Allow logging level of map/reduce tasks to be configurable. Configuration changes:   add mapred.map.child.log.level   add mapred.reduce.child.log.level

Description

It would be nice to be able to configure the logging level of the Task JVM's separately from the server JVM's. Reducing logging substantially increases performance and reduces the consumption of local disk on the task trackers.