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Posted to issues@spark.apache.org by "Dongjoon Hyun (Jira)" <ji...@apache.org> on 2020/03/16 22:56:02 UTC
[jira] [Updated] (SPARK-30369) Prune uncomputed children of
InMemoryRelation
[ https://issues.apache.org/jira/browse/SPARK-30369?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Dongjoon Hyun updated SPARK-30369:
----------------------------------
Affects Version/s: (was: 3.0.0)
3.1.0
> Prune uncomputed children of InMemoryRelation
> ---------------------------------------------
>
> Key: SPARK-30369
> URL: https://issues.apache.org/jira/browse/SPARK-30369
> Project: Spark
> Issue Type: Improvement
> Components: SQL, Web UI
> Affects Versions: 3.1.0
> Reporter: Max Thompson
> Priority: Minor
> Attachments: pruned.png, unpruned.png
>
>
> This is a follow-up JIRA for: https://issues.apache.org/jira/browse/SPARK-30367
> Currently with the changes introduced by the JIRAs this follows up on, if a query persists data that is later read by another query, the uncomputed subtree of the plan for the persisted data will be shown:
> !unpruned.png!
> To avoid showing uncomputed subtrees in the query plan (which may become appreciably large in a situation such as if multiple iterative queries are run that each use persisted data from the last query), the uncomputed subtrees could be removed before rendering the query plan:
> !pruned.png!
> A configuration property should be added that enables this feature when set to true. If a user wants to see the uncomputed subtrees, they can simply disable the configuration property.
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