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Posted to issues@flink.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2024/12/26 06:56:00 UTC

[jira] [Updated] (FLINK-36629) Introducing the AdaptiveSkewedJoinOptimizationStrategy

     [ https://issues.apache.org/jira/browse/FLINK-36629?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated FLINK-36629:
-----------------------------------
    Labels: pull-request-available  (was: )

> Introducing the AdaptiveSkewedJoinOptimizationStrategy
> ------------------------------------------------------
>
>                 Key: FLINK-36629
>                 URL: https://issues.apache.org/jira/browse/FLINK-36629
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Runtime / Coordination
>            Reporter: Lei Yang
>            Assignee: Lei Yang
>            Priority: Major
>              Labels: pull-request-available
>
> The AdaptiveSkewedJoinOptimizationStrategy is responsible for adjusting the StreamGraph for the skewed join operators at the runtime stage before the scheduling of the AdaptiveJoin operator. It has the following works:
>  # Introduce the capability to record edges that meet the conditions for adaptive skewed join optimization to BatchExecAdaptiveJoin and the capability to query optimizable skewed sides to the AdaptiveJoinOperatorFactory.
>  # Determine whether to optimize for skewed join based on the skewness of the actual input data from upstream and the type of input edge in the AdaptiveSkewedJoinOptimizationStrategy.



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