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https://issues.apache.org/jira/browse/FLINK-30902?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated FLINK-30902:
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Labels: pull-request-available (was: )
> Partition reuse does not take effect on edges of hybrid selective type
> ----------------------------------------------------------------------
>
> Key: FLINK-30902
> URL: https://issues.apache.org/jira/browse/FLINK-30902
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Coordination
> Affects Versions: 1.17.0
> Reporter: Weijie Guo
> Assignee: Weijie Guo
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.17.0
>
>
> Partition reuse only take effect for re-consumable edge, but hybrid selective
> result partition is not re-consumable. This optimization is very important to
> reduce the cost of the shuffle write phase. In the previous implementation,
> we will only force the broadcast edge to be of hybrid full(re-consumable) in
> the 'ResultPartitionTypeFactory'. As a result, for ALL_
> EXCHANGE_HYBRID_SELECTIVE job, partition reuse cannot take effect for
> non-broadcast edges.
> In fact, we expected to replace all the edges that can be reused with hybrid
> full result partition.
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