Rémi Kowalski created JAMES-3343:
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Summary: Configuration safety: disabling deduplication should not
be allowed.
Key: JAMES-3343
URL: https://issues.apache.org/jira/browse/JAMES-3343
Project: James Server
Issue Type: New Feature
Components: Blob
Affects Versions: 3.5.0
Reporter: Rémi Kowalski
Fix For: 3.6.0
h2. Why
Deduplication allow the use of a single object for several business entities.
Turning it off, the Duplicating blob store can, upon entity deletes, delete
blobs used by other entities, jeoparadizing the data integrity of the server.
Note that enabling deduplication brings no bad consequences.
h2. DOD
{{Given a James server with deduplication enabled
When I reconfigure this James server and turn off deduplication
Then this James server fails}}
h2. How
Write a {{StartUpCheck}} checking this property.
Keep track of the value of "deduplication.enable" value via an event sourcing
system.
The aggregate will ensure the rule that "deduplication should not be disabled",
and your start up check will update the aggregate with the new configuration
value, if it changed, effectively triggering the check.
Note that this ticket can be handled separately, only the final integration
test requires dependency to other work
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