Bryan Bende created NIFIREG-209:
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             Summary: Support rebuilding metadata DB from Git repo
                 Key: NIFIREG-209
                 URL: https://issues.apache.org/jira/browse/NIFIREG-209
             Project: NiFi Registry
          Issue Type: Improvement
            Reporter: Bryan Bende
            Assignee: Bryan Bende


Since the release of git persistence for flow storage, many users have asked if 
there is a way to stand up a new NiFi Registry instance and just point it at an 
existing git repo of flows.

Currently the issue is that the git repo is only used for the persistence of 
flow content, and the metadata comes from a relational database, so if you lost 
your server and don't have a copy of the DB then the git repo alone isn't 
enough.

In general the DB should be backed up, or an external DB with HA (Postgres) 
should be used instead of the H2 DB, but we should also be able to offer a way 
to bootstrap a new NiFi Registry instance from a git repo of flows.



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