On Fri, Jun 26, 2015 at 3:09 PM, Dave Ariens <dari...@blackberry.com> wrote:
> Would there be any way to have the task instances in the slaves call the > UGI login with a principal/keytab provided to the driver? > That would only work with a very small number of executors. If you have many login requests in a short period of time with the same principal, the KDC will start to deny logins. That's why delegation tokens are used instead of explicit logins. -- Marcelo
