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https://issues.apache.org/jira/browse/SPARK-54441?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyukjin Kwon resolved SPARK-54441.
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Fix Version/s: 4.2.0
Resolution: Fixed
Issue resolved by pull request 53145
[https://github.com/apache/spark/pull/53145]
> Enable coverage data on workers
> -------------------------------
>
> Key: SPARK-54441
> URL: https://issues.apache.org/jira/browse/SPARK-54441
> Project: Spark
> Issue Type: Test
> Components: PySpark
> Affects Versions: 4.2.0
> Reporter: Tian Gao
> Assignee: Tian Gao
> Priority: Minor
> Labels: pull-request-available
> Fix For: 4.2.0
>
>
> A big chunk of coverage data that we are missing is from workers. The
> workers.py itself has 1400+ missing lines, more than 2%+ of our total code.
> There are other functions that are executed by the worker which do not have
> coverage data either.
> We have plenty of tests that uses those function, we just miss coverage data,
> because the worker process is always brutally killed. We can hook the worker
> process in coverage run so it dumps the data before it's too late.
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