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From "Arun Suresh (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (SENTRY-157) Support filter pushdown in DB Store client to reduce data transfer from DB Store service
Date Tue, 27 May 2014 17:48:01 GMT

     [ https://issues.apache.org/jira/browse/SENTRY-157?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Arun Suresh reassigned SENTRY-157:
----------------------------------

    Assignee: Arun Suresh

> Support filter pushdown in DB Store client to reduce data transfer from DB Store service
> ----------------------------------------------------------------------------------------
>
>                 Key: SENTRY-157
>                 URL: https://issues.apache.org/jira/browse/SENTRY-157
>             Project: Sentry
>          Issue Type: Bug
>    Affects Versions: 1.4.0
>            Reporter: Prasad Mujumdar
>            Assignee: Arun Suresh
>
> The authorization provider retrieves all the privileges for the given set of groups.
This could be a huge data set if there are a large number of privileges in the system. A downstream
consumer like HiveServer2 will be reading this for each query. This could impact the DB store
performance if there are multiple active queries and numerous privilege rules.
> We could consider pushing the filters like DB object name to the policy provider to prune
the privilege result set at the source.



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