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https://issues.apache.org/jira/browse/IMPALA-7795?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16672546#comment-16672546
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Fredy Wijaya commented on IMPALA-7795:
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Yeah, ideally if there was a mechanism in Sentry to notify Impala for any
privilege/principal changes that Impala can subscribe to, that would be ideal.
I'm not aware of such a feature in Sentry at the moment, though.
> Add a command to refresh authorization data
> -------------------------------------------
>
> Key: IMPALA-7795
> URL: https://issues.apache.org/jira/browse/IMPALA-7795
> Project: IMPALA
> Issue Type: New Feature
> Components: Catalog, Frontend
> Reporter: Fredy Wijaya
> Priority: Major
>
> There is currently no way to refresh authorization data (privileges and
> principals) without calling "invalidate metadata" (which is very costly) and
> increasing the polling time. There needs to be a way to explicitly refresh
> the authorization data similar to "refresh functions".
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