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https://issues.apache.org/jira/browse/SPARK-59773?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated SPARK-59773:
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Labels: pull-request-available (was: )
> Add versioned Python worker metrics reports
> -------------------------------------------
>
> Key: SPARK-59773
> URL: https://issues.apache.org/jira/browse/SPARK-59773
> Project: Spark
> Issue Type: Sub-task
> Components: PySpark
> Affects Versions: 4.4.0
> Reporter: Haotian Sun
> Priority: Major
> Labels: pull-request-available
>
> Introduce a bounded, length-prefixed JSON report over the Python worker
> socket with named metric values and units. The JVM advertises v1 support per
> task, and workers retain the legacy TIMING_DATA report when that support is
> absent.
> Decode generic metric entries on the JVM while the timing consumer validates
> the four existing timing values. Preserve the spill-count and accumulator
> trailer, and cover the format with Python, Scala, and live RDD/Arrow worker
> tests.
> Draft PR: https://github.com/apache/spark/pull/59019
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