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Posted to issues@flink.apache.org by "Yuxin Tan (Jira)" <ji...@apache.org> on 2022/07/21 02:54:00 UTC

[jira] [Closed] (FLINK-28446) Expose more information in PartitionDescriptor to support more optimized Shuffle Service

     [ https://issues.apache.org/jira/browse/FLINK-28446?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yuxin Tan closed FLINK-28446.
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> Expose more information in PartitionDescriptor to support more optimized Shuffle Service
> ----------------------------------------------------------------------------------------
>
>                 Key: FLINK-28446
>                 URL: https://issues.apache.org/jira/browse/FLINK-28446
>             Project: Flink
>          Issue Type: Improvement
>    Affects Versions: 1.16.0
>            Reporter: Yuxin Tan
>            Assignee: Yuxin Tan
>            Priority: Critical
>              Labels: pull-request-available
>
> To improve shuffle performance, more detailed fields should be added to PartitionDescriptor, for example, whether the partition is a broadcast partition or the distribution pattern of the intermediate result.
> After the detailed information is added, the Shuffle Service can use different Shuffle strategies in different situations, which may lead to better shuffle performance.
> In addition, we only add fields to PartitionDescriptor, which is compatible with the previous version, and the added fields are insensitive to earlier users.
>  



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