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https://issues.apache.org/jira/browse/SPARK-28605?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shixiong Zhu updated SPARK-28605:
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Labels: regresssion (was: )
> Performance regression in SS's foreach
> --------------------------------------
>
> Key: SPARK-28605
> URL: https://issues.apache.org/jira/browse/SPARK-28605
> Project: Spark
> Issue Type: Bug
> Components: Structured Streaming
> Affects Versions: 2.4.3
> Reporter: Shixiong Zhu
> Priority: Major
> Labels: regresssion
>
> When "ForeachWriter.open" return "false", ForeachSink v1 will skip the whole
> partition without reading data. But in ForeachSink v2, due to the API
> limitation, it needs to read the whole partition even if all data just gets
> dropped.
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