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https://issues.apache.org/jira/browse/FLINK-34500?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yun Tang reassigned FLINK-34500:
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Assignee: Yun Tang
> Release Testing: Verify FLINK-33261 Support Setting Parallelism for Table/SQL
> Sources
> -------------------------------------------------------------------------------------
>
> Key: FLINK-34500
> URL: https://issues.apache.org/jira/browse/FLINK-34500
> Project: Flink
> Issue Type: Sub-task
> Components: Connectors / Parent, Table SQL / API
> Affects Versions: 1.19.0
> Reporter: SuDewei
> Assignee: Yun Tang
> Priority: Blocker
> Fix For: 1.19.0
>
>
> This issue aims to verify
> [FLIP-367|https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=263429150].
> Volunteers can verify it by following the [doc
> changes|https://github.com/apache/flink/pull/24234]. Since currently only the
> pre-defined DataGen connector and user-defined connector supports setting
> source parallelism, volunteers can verify it through DataGen Connector.
> The basic steps include:
> 1. Start a Flink cluster and submit a Flink SQL Job to the cluster.
> 2. In this Flink Job, use the DataGen SQL Connector to generate data.
> 3. Specify the parameter scan.parallelism in DataGen connector options as
> user-defined parallelism instead of default parallelism.
> 4. Observe whether the parallelism of the source has changed on the job graph
> of the Flink Application UI, and whether the shuffle mode is correct.
> If everything is normal, you will see that the parallelism of the source
> operator is indeed different from that of downstream, and the shuffle mode is
> rebalanced by default.
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