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https://issues.apache.org/jira/browse/IGNITE-9180?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16589705#comment-16589705
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ASF GitHub Bot commented on IGNITE-9180:
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Github user asfgit closed the pull request at:
https://github.com/apache/ignite/pull/4531
> IgniteSparkSession Should Copy State on cloneSession()
> ------------------------------------------------------
>
> Key: IGNITE-9180
> URL: https://issues.apache.org/jira/browse/IGNITE-9180
> Project: Ignite
> Issue Type: Bug
> Components: spark
> Affects Versions: 2.6
> Reporter: Stuart Macdonald
> Assignee: Stuart Macdonald
> Priority: Major
> Fix For: 2.7
>
>
> The IgniteSparkSession class extends SparkSession and overrides the
> cloneSession() method. The contract for cloneSession() explicitly states that
> it should clone all state (ie. the sharedState and sessionState fields),
> however the IgniteSparkSession implementation doesn't clone its state fields.
> This has the side-effect of breaking stateful operations for anything which
> uses cloneSession(), for example a Spark streaming job will not be able to
> use cached data across streaming microbatches, which is a significant issue
> for such applications.
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