[jira] [Resolved] (FLINK-34500) Release Testing: Verify FLINK-33261 Support Setting Parallelism for Table/SQL Sources

["Yun Tang (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-34500?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yun Tang resolved FLINK-34500.
------------------------------
    Resolution: Fixed

> 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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