timothy65535 edited a comment on pull request #1119:
URL: https://github.com/apache/incubator-kyuubi/pull/1119#issuecomment-925633288
In fact, the yarn client already support kill the application by
`LauncherProtocol` mechanism. We will not to kill application by shell script
or yarn rest api.
cc @simon824 @pan3793 @yaooqinn
```
----------------------- -----------------------
| User App | spark-submit | Spark App |
| | -------------------> | |
| ------------| |------------- |
| | | hello | | |
| | L. Server |<--------------------> | L. Backend | |
| | | | | |
| ------------- -----------------------
| | | ^
| v | |
| -------------| |
| | | <per-app channel> |
| | App Handle |<------------------------------
| | | stop / kill
-----------------------
```
**REFER TO**:
https://github.com/apache/spark/blob/9d8ac7c8e90c1c2a6060e8f1e8f2f21e19622567/resource-managers/yarn/src/main/scala/org/apache/spark/deploy/yarn/Client.scala#L137-L145
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