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https://issues.apache.org/jira/browse/HIVE-12236?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ashutosh Chauhan updated HIVE-12236:
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Attachment: HIVE-12236.patch
Extended SimpleFetchOptimizer to optimize select * queries
> LLAP: Prevent metadata queries from thrashing LLAP cache
> --------------------------------------------------------
>
> Key: HIVE-12236
> URL: https://issues.apache.org/jira/browse/HIVE-12236
> Project: Hive
> Issue Type: Improvement
> Components: Physical Optimizer
> Affects Versions: 1.3.0, 2.0.0
> Reporter: Gopal V
> Assignee: Gopal V
> Attachments: HIVE-12236.WIP.patch, HIVE-12236.patch
>
>
> Currently, metadata queries fired by BI tools tend to thrash LLAP's cache.
> Bypass the cache and process metadata queries directly from HiveServer2
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