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Posted to issues@hive.apache.org by "Jesus Camacho Rodriguez (JIRA)" <ji...@apache.org> on 2017/02/16 15:10:42 UTC

[jira] [Updated] (HIVE-15928) Parallelization of Select queries in Druid handler

     [ https://issues.apache.org/jira/browse/HIVE-15928?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jesus Camacho Rodriguez updated HIVE-15928:
-------------------------------------------
    Attachment: HIVE-15928.patch

> 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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