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https://issues.apache.org/jira/browse/TAJO-1802?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jihoon Son resolved TAJO-1802.
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Resolution: Fixed
> PythonScriptEngine copies controller and tajo util whenever it is initialized
> -----------------------------------------------------------------------------
>
> Key: TAJO-1802
> URL: https://issues.apache.org/jira/browse/TAJO-1802
> Project: Tajo
> Issue Type: Bug
> Components: Function/UDF
> Reporter: Jihoon Son
> Assignee: Jihoon Son
> Fix For: 0.11.0
>
> Attachments: TAJO-1802.patch, TAJO-1802_2.patch
>
>
> In the current implementation, python script files are copied and deleted
> whenever a task is launched and stopped. This incurs two problems.
> * Frequent copy of script files degrades the overall performance.
> * Among python scripts, tajo_util.py is shared by multiple tasks of a worker.
> This incurs I/O problem during unit tests because the shared file is also
> removed when a task is stopped.
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