[jira] [Created] (HDFS-16901) RBF: Routers should propagate the real user in the UGI via the caller context

["Simbarashe Dzinamarira (Jira)" <ji...@apache.org>]

Simbarashe Dzinamarira created HDFS-16901:
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             Summary: RBF: Routers should propagate the real user in the UGI via the caller context
                 Key: HDFS-16901
                 URL: https://issues.apache.org/jira/browse/HDFS-16901
             Project: Hadoop HDFS
          Issue Type: Task
            Reporter: Simbarashe Dzinamarira


If the router receives an operation from a proxyUser, it drops the realUser in the UGI and makes the routerUser the realUser for the operation that goes to the namenode.

In the namenode UGI logs, we'd like the ability to know the original realUser.

The router should propagate the realUser from the client call as part of the callerContext.



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