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https://issues.apache.org/jira/browse/SENTRY-2284?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16537673#comment-16537673
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Todd Lipcon commented on SENTRY-2284:
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What are the expected scalability limits for these dimensions in the sentry DB?
I'm worried that in a large deployment there may be enough roles/privileges
such that this single API call response would be too large to transfer in a
single RPC. For example, if a user has millions of tables, would we end up with
a cross product of roles and tables trying to be presented in this map which
ends up being multiple GB?
> Add two client API to get all roles or users privileges mapping
> ---------------------------------------------------------------
>
> Key: SENTRY-2284
> URL: https://issues.apache.org/jira/browse/SENTRY-2284
> Project: Sentry
> Issue Type: Improvement
> Components: Sentry
> Affects Versions: 2.1.0
> Reporter: Sergio Peña
> Assignee: Sergio Peña
> Priority: Major
> Fix For: 2.1.0
>
> Attachments: SENTRY-2284.1.patch, SENTRY-2284.2.patch
>
>
> Add two new API methods to the Sentry client to return all roles and their
> privileges or all users and privileges in a map object.
> This is useful for components like Impala that keep a cache of all roles,
> users and privileges on their side.
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