Alluxio Developer Tip: Why am I seeing the error “User yarn is not configured for any impersonation. impersonationUser: foo?”

What is User Impersonation? Impersonation is simply the ability for one user to act on behalf of another user. For example, say user ‘yarn’ has the credentials to connect to a service, but user ‘foo’ does not. Therefore, user ‘foo’ would never be able to access the service. However, user ‘yarn’ can access the service … Continued