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Posted to issues@spark.apache.org by "Tian Gao (Jira)" <ji...@apache.org> on 2025/11/13 20:25:00 UTC

[jira] [Created] (SPARK-54340) Add a script to enable viztracer on daemon/workers for python udf

Tian Gao created SPARK-54340:
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             Summary: Add a script to enable viztracer on daemon/workers for python udf
                 Key: SPARK-54340
                 URL: https://issues.apache.org/jira/browse/SPARK-54340
             Project: Spark
          Issue Type: Improvement
          Components: PySpark
    Affects Versions: 4.1.0
            Reporter: Tian Gao


We have very few clues about what's going on in Python daemon/workers that are used for Python UDFs. We can add a simple wrapper script to profile/debug Python UDFs and the infrastructure that supports it. We can do it without touching the pyspark code.



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