Github user cloverhearts commented on the issue:
https://github.com/apache/zeppelin/pull/1838
But actually this is a temporary resolved.
As a result, Zombie Process issues have been mitigated.
Zomebie Process is very important and risky issue.
So, I felt the need to take minimal steps.
This fix minimizes the potential for Zombie.
I forced the reference count to zero at shutdown to terminate the process.
The exact problem with the Zombie Process is:
1. Interpreter reference count management failure
2. Close failed while working on RemoteInterpreter
3. Close the RemoteInterpreter Unknown stop.
4. Termination timing issues not yet discovered ..
Therefore, I feel it is necessary to take temporary measures through this
PR, to register detailed issues and gradually resolve them.
What do you think?
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