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https://issues.apache.org/jira/browse/SPARK-30041?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wenchen Fan resolved SPARK-30041.
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Fix Version/s: 3.0.0
Resolution: Fixed
Issue resolved by pull request 26675
[https://github.com/apache/spark/pull/26675]
> Add Codegen Stage Id to Stage DAG visualization in Web UI
> ---------------------------------------------------------
>
> Key: SPARK-30041
> URL: https://issues.apache.org/jira/browse/SPARK-30041
> Project: Spark
> Issue Type: Improvement
> Components: SQL, Web UI
> Affects Versions: 3.0.0
> Reporter: Luca Canali
> Assignee: Luca Canali
> Priority: Minor
> Fix For: 3.0.0
>
> Attachments: Snippet_StagesDags_with_CodegenId _annotated.png
>
>
> SPARK-29894 provides information on the Codegen Stage Id in WEBUI for SQL
> Plan graphs. Similarly, this proposes to add Codegen Stage Id in the DAG
> visualization for Stage execution. DAGs for Stage execution are available in
> the WEBUI under the Jobs and Stages tabs.
> This is proposed as an aid for drill-down analysis of complex SQL statement
> execution, as it is not always easy to match parts of the SQL Plan graph with
> the corresponding Stage DAG execution graph. Adding Codegen Stage Id for
> WholeStageCodegen operations makes this task easier.
>
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