[YARN-1310] Get rid of MR settings in YARN configuration

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 2.2.0
• Hadoop Flags: Incompatible change
• Assignee: Unassigned
• Reporter: Junping Du
• Created: 15/Oct/13 22:55
• Updated: 25/Oct/19 20:27

Description

Per discussion in YARN-1289, we should get rid of MR settings (like below) and default values in YARN configuration which put unnecessary dependency for YARN on MR.

  <!--Map Reduce configuration-->
  <property>
    <name>yarn.nodemanager.aux-services.mapreduce_shuffle.class&lt;/name>
    <value>org.apache.hadoop.mapred.ShuffleHandler</value>
  </property>

  <property>
    <name>mapreduce.job.jar</name>
    <value/>
  </property>

  <property>
    <name>mapreduce.job.hdfs-servers</name>
    <value>${fs.defaultFS}</value>
  </property>