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From "Arjun Mishra (JIRA)" <j...@apache.org>
Subject [jira] [Reopened] (SENTRY-1896) Optimize retrieving role names for groups
Date Thu, 05 Apr 2018 20:17:00 GMT

     [ https://issues.apache.org/jira/browse/SENTRY-1896?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Arjun Mishra reopened SENTRY-1896:
----------------------------------

> Optimize retrieving role names for groups
> -----------------------------------------
>
>                 Key: SENTRY-1896
>                 URL: https://issues.apache.org/jira/browse/SENTRY-1896
>             Project: Sentry
>          Issue Type: Improvement
>          Components: Sentry
>    Affects Versions: 2.0.0
>            Reporter: Arjun Mishra
>            Assignee: Arjun Mishra
>            Priority: Major
>             Fix For: 2.0.0
>
>         Attachments: SENTRY-1896.01.patch, SENTRY-1896.02.patch, SENTRY-1896.03.patch,
SENTRY-1896.04.patch, SENTRY-1896.05.patch, SENTRY-1896.06.patch, SENTRY-1896.07.patch, SENTRY-1896.08.patch,
SENTRY-1896.09.patch, SENTRY-1896.10.patch
>
>
> Right now when we get privileges from sentry, we pass in a provider like set of groups.
Then we create a MSentryGroup object for each group and then get roles using the .getRoles()
method. However, DataNucleus takes too long and the fetch doesn't seem to be lazy. This is
bad since we only need the roleNames for the group and not the entire Role object.  
> Instead running a SQL like query and just getting roleNames will drastically improve
performance



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