Hello, I am working with yarn 2.0.2-alpha.
I want to be able to properly terminate long running applications deployed on Yarn. However, I can't see any tool to do that from the command line (something like "hadoop job -kill #jobid". but for yarn). It's not clear to me how to do that programmatically either. Is this left to the developer of the application master? Is there a recommended way? Currently an option I see is to implement a callback from some notification in the application master (e.g. a signal from ZooKeeper), terminate the launched container properly, through the ContainerManager#stopContainer method. But there might be a more generic way? I also noted that ClientRMProtocol#forceKillApplication does not properly kill spawned processes, apart from the application master, at least when using MiniYarnCluster in tests. Thanks for any suggestion or recommendation ! Matthieu
