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https://issues.apache.org/jira/browse/HIVE-23191?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17083336#comment-17083336
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Jesus Camacho Rodriguez commented on HIVE-23191:
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+1
> Prevent redundant output descriptor config serialization
> --------------------------------------------------------
>
> Key: HIVE-23191
> URL: https://issues.apache.org/jira/browse/HIVE-23191
> Project: Hive
> Issue Type: Improvement
> Reporter: Mustafa Iman
> Assignee: Mustafa Iman
> Priority: Major
> Attachments: HIVE-23191.patch, HIVE-23191.patch
>
>
> {code:java}
> DagUtils#createVertex(JobConf, BaseWork, Path,
> TezWork, Map<String, LocalResource>){code}
> creates an output descriptor if it is leaf vertex. It uses the same config
> object that is used in processor descriptor. It should not create payload
> from scratch when processor descriptor has the identical payload.
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