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https://issues.apache.org/jira/browse/HIVE-15928?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15871690#comment-15871690
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Jesus Camacho Rodriguez commented on HIVE-15928:
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[~bslim], [~ashutoshc], could you take a look? I have been running tests in the
cluster and it seems to be working fine. [~bslim], it would be nice if you
could give it a try too?
I have not added tests because it seems quite difficult to test this feature
without integration tests. But if you have any ideas, let me know.
> Parallelization of Select queries in Druid handler
> --------------------------------------------------
>
> Key: HIVE-15928
> URL: https://issues.apache.org/jira/browse/HIVE-15928
> Project: Hive
> Issue Type: Sub-task
> Components: Druid integration
> Affects Versions: 2.2.0
> Reporter: Jesus Camacho Rodriguez
> Assignee: Jesus Camacho Rodriguez
> Attachments: HIVE-15928.patch
>
>
> Even if we split a Select query along its time dimension, parallelization is
> limited as all queries will hit the broker node. Instead, we can interrogate
> the broker to get the Druid nodes that contain the data, and query those
> nodes directly.
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