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https://issues.apache.org/jira/browse/SPARK-60901?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated SPARK-60901:
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Labels: pull-request-available (was: )
> Simplify the pipelined UDF input path in the Python worker
> ----------------------------------------------------------
>
> Key: SPARK-60901
> URL: https://issues.apache.org/jira/browse/SPARK-60901
> Project: Spark
> Issue Type: Improvement
> Components: PySpark
> Affects Versions: 4.4.0
> Reporter: Yicong Huang
> Priority: Major
> Labels: pull-request-available
>
> The pipelined mode added in SPARK-56642 duplicates the worker's processing
> path in invoke_udf. Keep a single path and move the background input reader
> into a context manager in worker_util, so pipelined mode only decides whether
> the input is read ahead in a thread. Also expose
> ArrowStreamSerializer.flush_per_batch instead of setting a private attribute
> from worker.py. No behavior change.
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