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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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Szehon Ho updated SPARK-52403:
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Summary: Add numTargetRowsCopied metric to MergeRowExec (was: Add
numRowsCopied metric to MergeRowExec)
> Add numTargetRowsCopied metric to MergeRowExec
> ----------------------------------------------
>
> Key: SPARK-52403
> URL: https://issues.apache.org/jira/browse/SPARK-52403
> Project: Spark
> Issue Type: New Feature
> Components: SQL
> Affects Versions: 4.0.0
> Reporter: Szehon Ho
> Priority: Minor
>
> 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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