marc hurabielle created ZEPPELIN-4078:
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Summary: Ipython improvement
Key: ZEPPELIN-4078
URL: https://issues.apache.org/jira/browse/ZEPPELIN-4078
Project: Zeppelin
Issue Type: Bug
Components: python-interpreter
Affects Versions: 0.8.1
Environment: tested in linux / macos. Tested the ipython server
directly.
Reporter: marc hurabielle
Ipython / ipython server has currently mutliple problem.
* Concurrent execution and auto complete can make a paragraph hang forever
(until restart of the ipython server). Maybe related to
[https://github.com/jupyter/jupyter_client/issues/429]
* Out of memory for ipython will make a paragraph hang instead of throw one
error.
* High cpu usage. The loop that read from the pub/sub should not try to read
everytimes the pub sub. Need to be debounce.
Overall most of those bug might be related also to some jupyter_client bug or
wrong usage.
However, those are the action item:
* synchronize auto complete / paragraph execution for now
* check the kernel status when we are checking for the thread
* sleep time to time when there is no message in pub/sub
* Use only one queue instead of 3 ?
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