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https://issues.apache.org/jira/browse/SPARK-52403?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjoon Hyun updated SPARK-52403:
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Parent: SPARK-54309
Issue Type: Sub-task (was: New Feature)
> Add numTargetRowsCopied metric to MergeRowExec
> ----------------------------------------------
>
> Key: SPARK-52403
> URL: https://issues.apache.org/jira/browse/SPARK-52403
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 4.1.0
> Reporter: Szehon Ho
> Assignee: Szehon Ho
> Priority: Minor
> Labels: pull-request-available
> Fix For: 4.1.0
>
>
> MergeRowsExec can record some useful information, like how many rows are not
> target of any action (doesn't match any condition), which can be emitted as
> metrics.
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