Michael Dürig created OAK-3854:
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Summary: TarMK tools should check wehther they run against a
matching version of the repository
Key: OAK-3854
URL: https://issues.apache.org/jira/browse/OAK-3854
Project: Jackrabbit Oak
Issue Type: Improvement
Components: run
Reporter: Michael Dürig
Assignee: Michael Dürig
Running tools that write into a segment store might result in unwanted
upgrading if the version of the tool uses a more recent segment version than
the store. E.g. off line compaction currently upgrades segment format 10 to 11.
To protected against inadvertent upgrades, a tool should check whether the
segment version of the store matches its expectation (currently 11). If not,
the tool should exit with a respective warning / error. For some tools it can
make sense to provide a flag (e.g. {{--force}}) to override this. With this
e.g. offline compaction can still be used for upgrading a segment store if
explicitly told to do so.
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