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https://issues.apache.org/jira/browse/HIVE-17542?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16178552#comment-16178552
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Lefty Leverenz commented on HIVE-17542:
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Doc note: This adds *hive.combine.equivalent.work.optimization* to
HiveConf.java and appends "Tez only" to the description of
*hive.optimize.shared.work*, which was created in HIVE-16867 (also for release
3.0.0).
*hive.combine.equivalent.work.optimization* is for Spark only, so it belongs in
the Spark section of Configuration Properties.
*hive.combine.equivalent.work.optimization* belongs in the Tez section.
* [Configuration Properties -- Spark |
https://cwiki.apache.org/confluence/display/Hive/Configuration+Properties#ConfigurationProperties-Spark]
* [Configuration Properties -- Tez |
https://cwiki.apache.org/confluence/display/Hive/Configuration+Properties#ConfigurationProperties-Tez]
Added a TODOC3.0 label.
> Make HoS CombineEquivalentWorkResolver Configurable
> ---------------------------------------------------
>
> Key: HIVE-17542
> URL: https://issues.apache.org/jira/browse/HIVE-17542
> Project: Hive
> Issue Type: Improvement
> Components: Physical Optimizer, Spark
> Reporter: Sahil Takiar
> Assignee: Sahil Takiar
> Labels: TODOC3.0
> Fix For: 3.0.0
>
> Attachments: HIVE-17542.1.patch, HIVE-17542.2.patch,
> HIVE-17542.3.patch
>
>
> The {{CombineEquivalentWorkResolver}} is run by default. We should make it
> configurable so that users can disable it in case there are any issues. We
> can enable it by default to preserve backwards compatibility.
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