Command Line Installation
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Granting Livy the Ability to Impersonate

Prerequisites: Before completing the steps in this subsection, install and configure Livy as described in Installing Livy> and Configuring Livy.

To grant Livy the ability to impersonate the originating user:

  1. Add the following property to <HADOOP_HOME>/etc/hadoop/core-site.xml:

    <property>
          <name>hadoop.proxyuser.livy.groups</name>
          <value>*</value>
    </property>
    
    <property>
          <name>hadoop.proxyuser.livy.hosts</name>
          <value>*</value>
    </property>
  2. Login as root, or use root privilege, to create a user home directory for the livy account, on HDFS.

  3. Restart HDFS.

  4. Restart YARN.