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https://issues.apache.org/jira/browse/SPARK-3373?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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uncleGen updated SPARK-3373:
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Target Version/s: 1.1.1, 1.2.0 (was: 1.1.0, 1.0.3)
> Filtering operations should optionally rebuild routing tables
> -------------------------------------------------------------
>
> Key: SPARK-3373
> URL: https://issues.apache.org/jira/browse/SPARK-3373
> Project: Spark
> Issue Type: Improvement
> Components: GraphX
> Affects Versions: 1.0.0, 1.0.2
> Reporter: uncleGen
> Priority: Minor
>
> Graph operations that filter the edges (subgraph, mask, groupEdges) currently
> reuse the existing routing table to avoid the shuffle which would be required
> to build a new one. However, this may be inefficient when the filtering is
> highly selective. Vertices will be sent to more partitions than necessary,
> and the extra routing information may take up excessive space.
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