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Posted to issues@hive.apache.org by "Naveen Gangam (JIRA)" <ji...@apache.org> on 2017/06/16 14:03:00 UTC

[jira] [Commented] (HIVE-16912) Improve table validator's performance against Oracle

    [ https://issues.apache.org/jira/browse/HIVE-16912?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16051940#comment-16051940 ] 

Naveen Gangam commented on HIVE-16912:
--------------------------------------

[~aihuaxu] Could you please review? Thanks

> Improve table validator's performance against Oracle
> ----------------------------------------------------
>
>                 Key: HIVE-16912
>                 URL: https://issues.apache.org/jira/browse/HIVE-16912
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Hive
>    Affects Versions: 3.0.0
>            Reporter: Naveen Gangam
>            Assignee: Naveen Gangam
>            Priority: Minor
>         Attachments: HIVE-16912.patch
>
>
> Currently, this validator uses DatabaseMetaData.getTables() that takes in the order of minutes to return because of the number of SYSTEM tables present in Oracle.
> Providing a schema name via a system property would limit the number of tables being returned and thus improve performance.



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