Jasper Knulst created ZEPPELIN-3201:
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Summary: Detached Zeppelin processes after server shutdown
Key: ZEPPELIN-3201
URL: https://issues.apache.org/jira/browse/ZEPPELIN-3201
Project: Zeppelin
Issue Type: Bug
Components: zeppelin-interpreter
Affects Versions: 0.7.2
Reporter: Jasper Knulst
If you check the number of Zeppelin processes running after the server has been
up for a while (ps aux | grep zeppelin) there are a lot of very old OS level
processes around. They seem to be detached somehow (if you kill them nobody
would notice it) and can run into hundreds of them.
Moreover, if you shut down the Zeppelin server and run " ps aux | grep zeppelin
" there are also lots of detached processes not under management of the server
anymore. Some of those are isolated, impersonated shell processes belonging to
the %sh interpreter.
I created script to clean-up but the server should be aware of its child
processes and manage them, especially on shut down.
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