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From "Simhadri G (Jira)" <>
Subject [jira] [Updated] (HIVE-23361) Optimising privilege synchroniser
Date Tue, 26 May 2020 19:48:00 GMT


Simhadri G updated HIVE-23361:
    Attachment: hive-23361.11.patch
        Status: Patch Available  (was: Open)

> Optimising privilege synchroniser
> ---------------------------------
>                 Key: HIVE-23361
>                 URL:
>             Project: Hive
>          Issue Type: Improvement
>          Components: Metastore
>            Reporter: Simhadri G
>            Assignee: Simhadri G
>            Priority: Minor
>         Attachments: hive-23361.1.patch, hive-23361.10.patch, hive-23361.11.patch, hive-23361.2.patch,
hive-23361.3.patch, hive-23361.4.patch, hive-23361.5.patch, hive-23361.6.patch, hive-23361.7.patch,
hive-23361.8.patch, hive-23361.9.patch, hive-23361.patch, hive-23361.patch
> Privilege synchronizer pulls the list of databases, tables and columns from the Hive
Metastore. For each of these objects it fetches the privilege information and invokes HMS
API to refresh the privilege information in HMS. This patch store the privilege information
as bit string. This is done to reduce the size of the tbl_col_privs tables in metastore.

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