Hadoop Core - Proxy Authentication

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Security - (Proxy|N-tier|Impersonation) authentication proxy authentication in Hadoop

See also: Hadoop - Authentication

Use case

A superuser wants to submit job and access hdfs on behalf of a user. The superuser has kerberos credentials but the user doesn’t have any.


Example: Hadoop - core-site.xml



  • super is the admin user
  • hadoop.proxyuser.super.hosts defines the host where the admin user super can connect to impersonate.
  • hadoop.proxyuser.super.groups defines the group that can be impersonated.

Documentation / Reference

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