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https://issues.apache.org/jira/browse/RANGER-1173?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Pradeep Agrawal updated RANGER-1173:
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Attachment: (was: RANGER-1173-1.patch)
> Improve Ranger database schema import logic and make it more robust
> -------------------------------------------------------------------
>
> Key: RANGER-1173
> URL: https://issues.apache.org/jira/browse/RANGER-1173
> Project: Ranger
> Issue Type: Bug
> Components: Ranger
> Affects Versions: 0.5.0, 0.6.0, 0.7.0
> Reporter: Pradeep Agrawal
> Assignee: Pradeep Agrawal
> Fix For: 0.7.0
>
> Attachments: RANGER-1173-2.patch
>
>
> Problem Statement: Ranger installation process should handle concurrent
> import of DB schema as concurrent execution of db schema files can lead to an
> inconsistent state of data and application.
> Proposed Solution : Before importing db schema file; installation process
> will insert status in x_db_version_h table with active='N' value. If schema
> will get created/imported successfully then status of the schema creation
> flag will be set to 'Y' else status row from x_db_version_h will be deleted.
> If the Ranger DB schema is being imported then the active column will have
> the value 'N' and no other process will be allowed to import that file.
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