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From "Sergey Shelukhin (JIRA)" <>
Subject [jira] [Updated] (HIVE-5234) partition name filtering uses suboptimal datastructures
Date Fri, 06 Sep 2013 02:30:52 GMT


Sergey Shelukhin updated HIVE-5234:

    Status: Patch Available  (was: Open)
> partition name filtering uses suboptimal datastructures
> -------------------------------------------------------
>                 Key: HIVE-5234
>                 URL:
>             Project: Hive
>          Issue Type: Improvement
>          Components: Metastore
>            Reporter: Sergey Shelukhin
>            Assignee: Sergey Shelukhin
>         Attachments: HIVE-5234.D12777.1.patch
> Some DSes used in name-based partition filtering, as well as related methods, are suboptimal,
which can cost 100-s of ms on large number of partitions. I noticed while perf testing HIVE-4914,
but it can also be applied separately given that the patch over there will take some time
to get in.

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