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https://issues.apache.org/jira/browse/HIVE-21800?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16856162#comment-16856162
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Gopal V commented on HIVE-21800:
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Yes, that is a way to solve this problem too - at least the XML parsing parts.
Instead of adding tez-site.xml as an Xml file, we can set() it from an already
in-memory configuration object.
> Tez: Cartesian product reparses HiveConf XML
> ---------------------------------------------
>
> Key: HIVE-21800
> URL: https://issues.apache.org/jira/browse/HIVE-21800
> Project: Hive
> Issue Type: Bug
> Components: Tez
> Reporter: Gopal V
> Priority: Minor
> Attachments: Tez-CartesianProductSlowness.png, hive3-with-cbo.svg
>
>
> {code}
> CartesianProductConfig cpConfig = new
> CartesianProductConfig(crossProductSources);
> edgeManagerDescriptor.setUserPayload(cpConfig.toUserPayload(new
> TezConfiguration(conf)));
> {code}
> !Tez-CartesianProductSlowness.png!
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