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https://issues.apache.org/jira/browse/SENTRY-2342?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16581325#comment-16581325
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Sergio Peña commented on SENTRY-2342:
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[~LinaAtAustin] Have you verified in a real environment that the DB and Sentry
versions are indeed compatible? I see unit tests check that, but there are no
tests that use a DB version different than a Sentry version and test that.
> Update schema version verification to support multi-version clusters share
> same DB
> ----------------------------------------------------------------------------------
>
> Key: SENTRY-2342
> URL: https://issues.apache.org/jira/browse/SENTRY-2342
> Project: Sentry
> Issue Type: New Feature
> Components: Sentry
> Affects Versions: 2.1.0
> Reporter: Na Li
> Assignee: Na Li
> Priority: Critical
> Attachments: SENTRY-2342.001.patch, SENTRY-2342.001.patch
>
>
> Right now, sentry software has the schema version it supports hard-coded, and
> before starting its service, it gets schema version from DB and compare these
> two values. If they are not equal, exception will be thrown and sentry
> service won't start.
> To support sentry services with different versions that connect to the same
> DB at the same time, the schema version checking behavior has to be changed
> to allow sentry software with older version to work with DB with newer schema
> version.
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