MapR 5.0 Documentation : taskcontroller.cfg

The file /opt/mapr/hadoop/hadoop-<version>/conf/taskcontroller.cfg specifies TaskTracker configuration parameters. The parameters should be set the same on all TaskTracker nodes. See also Secured TaskTracker.

Parameter

Value

Description

mapred.local.dir

/tmp/mapr-hadoop/mapred/local

The local MapReduce directory.

hadoop.log.dir

/opt/mapr/hadoop/hadoop-0.20.2/bin/../logs

The Hadoop log directory.

mapreduce.tasktracker.group

root

The group that is allowed to submit jobs.

min.user.id

-1

The minimum user ID for submitting jobs:

  • Set to 0 to disallow root from submitting jobs
  • Set to 1000 to disallow all superusers from submitting jobs

banned.users

(not present by default)

Add this parameter with a comma-separated list of usernames to ban certain users from submitting jobs