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https://issues.apache.org/jira/browse/SENTRY-2121?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16321493#comment-16321493
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Arjun Mishra commented on SENTRY-2121:
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Clearing AUTHZ_PATHS_SNAPSHOT_ID table means we also have to clear
AUTHZ_PATHS_MAPPING because of foreign key constraint, and so we would also
have to clear AUTHZ_PATH table again because of foreign key constraint.
> Notifications processed during times when HDFS sync is disabled will not be
> applied as ACLs when later HDFS sync was to be enabled
> ----------------------------------------------------------------------------------------------------------------------------------
>
> Key: SENTRY-2121
> URL: https://issues.apache.org/jira/browse/SENTRY-2121
> Project: Sentry
> Issue Type: Bug
> Components: Sentry
> Affects Versions: 2.1.0
> Reporter: Arjun Mishra
> Assignee: Arjun Mishra
> Labels: triaged
>
> When HDFS sync is disabled, we don't update the AUTHZ_PATHS_MAPPING table.
> However, when HDFS sync is enabled, ACLs that are generated are based on
> entries in the AUTHZ_PATHS_MAPPING table. So this means that if we were to
> disable HDFS sync and later enable HDFS sync, ACLs for all notifications that
> were processed during the times when HDFS sycn was disabled won't be created
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