Aurora pre-dates SHUTDOWN by several years, so the option was not present. Additionally, the SHUTDOWN call is not available in the API used by Aurora. Last i knew, Aurora could not use the "new" API because of performance issues in the implementation, but i do not know where that stands today.
https://mesos.apache.org/documentation/latest/scheduler-http-api/#shutdown > NOTE: This is a new call that was not present in the old API On Sat, Dec 9, 2017 at 4:11 PM, Mohit Jaggi <mohit.ja...@uber.com> wrote: > Folks, > Our Mesos team is wondering why Aurora chose KILL over SHUTDOWN for > killing tasks. As Aurora has an executor per task, won't SHUTDOWN work > better? It will avoid zombie executors. > > Mohit. >