History metrics returned from master, worker, or app master.
History metrics returned from master, worker, or app master.
All metric items are organized like a tree, path is used to navigate through the tree. For example, when querying with path == "executor0.task1.throughput*", the metrics provider picks metrics whose source matches the path.
The path client provided. The returned metrics are the result query of this path.
The detailed metrics.
Return the last error of this streaming application job
Return Actor ref of app master
Return Actor ref of worker
Result of SubmitApplication