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  1. Hadoop YARN
  2. YARN-149 [Umbrella] ResourceManager (RM) Fail-over
  3. YARN-1665

Set better defaults for HA configs for automatic failover

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    Details

    • Type: Sub-task
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 2.4.0
    • Component/s: resourcemanager
    • Labels:
      None
    • Hadoop Flags:
      Reviewed

      Description

      In order to enable HA (automatic failover) i had to set the following configs

      <property>
          <name>yarn.resourcemanager.ha.enabled</name>
          <value>true</value>
        </property>
        
        <property>
          <name>yarn.resourcemanager.ha.automatic-failover.enabled</name>
          <value>true</value>
        </property>
      
        <property>
          <name>yarn.resourcemanager.ha.automatic-failover.embedded</name>
          <value>true</value>
        </property>
      
      

      I believe the user should just have to set yarn.resourcemanager.ha.enabled=true and the rest should be set as defaults. Basically automatic failover should be the default.

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                Resolved:

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