[jira] [Assigned] (HIVE-3255) Add DBTokenStore to store Delegation Tokens in DB

["Ashutosh Chauhan (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-3255?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ashutosh Chauhan reassigned HIVE-3255:
--------------------------------------

    Assignee: Ashutosh Chauhan  (was: Deepesh Khandelwal)

> Add DBTokenStore to store Delegation Tokens in DB
> -------------------------------------------------
>
>                 Key: HIVE-3255
>                 URL: https://issues.apache.org/jira/browse/HIVE-3255
>             Project: Hive
>          Issue Type: New Feature
>          Components: Metastore, Security
>    Affects Versions: 0.9.0
>            Reporter: Ashutosh Chauhan
>            Assignee: Ashutosh Chauhan
>             Fix For: 0.12.0
>
>         Attachments: HIVE-3255.6.patch, HIVE-3255_6.patch, hive-3255.patch, hive-3255_2.patch, hive-3255_3.patch, hive-3255_4.patch, hive-3255_5.patch
>
>
> Before HIVE-1696 metastore was completely stateless and all the data is in backend db. HIVE-1696 added delegation tokens for metastore which metastore needs to keep in memory. HIVE-2467 added support for storing delegation tokens in ZooKeeper via an interface {{DelegationTokenStore}}. This jira is about using DB backend for storing tokens which metastore uses for storing data. 



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