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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2021/11/25 03:40:00 UTC

[jira] [Assigned] (SPARK-37458) Remove unnecessary object serialization on foreachBatch

     [ https://issues.apache.org/jira/browse/SPARK-37458?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-37458:
------------------------------------

    Assignee: Apache Spark

> Remove unnecessary object serialization on foreachBatch
> -------------------------------------------------------
>
>                 Key: SPARK-37458
>                 URL: https://issues.apache.org/jira/browse/SPARK-37458
>             Project: Spark
>          Issue Type: Improvement
>          Components: Structured Streaming
>    Affects Versions: 3.3.0
>            Reporter: Jungtaek Lim
>            Assignee: Apache Spark
>            Priority: Major
>
> Currently, ForeachBatchSink leverages ExternalRDD with converting RDD[InternalRow] to RDD[T], to provide Dataset[T] to the user function. This adds SerializeFromObject in the plan, which is actually not required.
> We can leverage LogicalRDD instead, to remove SerializeFromObject from the plan.



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