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https://issues.apache.org/jira/browse/NIFIREG-18?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16174778#comment-16174778
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ASF GitHub Bot commented on NIFIREG-18:
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Github user bbende commented on the issue:
https://github.com/apache/nifi-registry/pull/10
Thanks, I'll resolve the white space issue and merge to master
> Refactor MetadataProvider to use an embedded database
> -----------------------------------------------------
>
> Key: NIFIREG-18
> URL: https://issues.apache.org/jira/browse/NIFIREG-18
> Project: NiFi Registry
> Issue Type: Improvement
> Reporter: Bryan Bende
> Assignee: Bryan Bende
> Priority: Minor
>
> We need to leverage transactions when persisting data to avoid inconsistent
> states. Currently the MetadataProvider is based on an XML file which doesn't
> offer much way to rollback an operation. We should switch to using an
> embedded database.
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