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https://issues.apache.org/jira/browse/HUDI-5616?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17845134#comment-17845134
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Shiyan Xu commented on HUDI-5616:
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fixed [https://github.com/apache/hudi/pull/11184]
> Docs update for specifying org.apache.spark.HoodieSparkKryoRegistrar
> --------------------------------------------------------------------
>
> Key: HUDI-5616
> URL: https://issues.apache.org/jira/browse/HUDI-5616
> Project: Apache Hudi
> Issue Type: Improvement
> Components: docs
> Reporter: Ethan Guo
> Assignee: Shiyan Xu
> Priority: Major
> Labels: pull-request-available
> Fix For: 0.15.0
>
>
> There is a usability change in [this
> PR|https://github.com/apache/hudi/pull/7702] that requires a new conf for
> spark users
> --conf spark.kryo.registrator=org.apache.spark.HoodieSparkKryoRegistrar
> There will be a hit on performance (it was actually always there) if this is
> not specified.
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