Reclaim local data when a localized version is deleted - #2831
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Reclaim local data when a localized version is deleted#2831francoisferrand wants to merge 1 commit into
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In a clean room the bucket location constraint is the isCRR source location, so once an object has been localized its metadata looks exactly like a transitioned object: the mongo processor was bailing out with "transitioned to another location", never deleting the metadata and leaving the local copy of the data behind forever. Detect that case and, after the metadata delete, publish a deleteData action for the local parts only. Versions which were never localized still point at the isCRR location and are left alone, as before. Issue: BB-815
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Codecov Report❌ Patch coverage is Additional details and impacted files
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@@ Coverage Diff @@
## development/9.6 #2831 +/- ##
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- Coverage 75.77% 75.61% -0.16%
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Files 200 201 +1
Lines 13922 13972 +50
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+ Hits 10549 10565 +16
- Misses 3363 3397 +34
Partials 10 10
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francoisferrand
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improvement/BB-813
August 24, 2026 11:44
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Stacked on #2828 (BB-813/BB-818) - review that one first.
In a clean room the bucket location constraint is the isCRR source location, so once an object has been localized its metadata looks exactly like a transitioned object:
dataStoreNameandlocation[0]point at the local location instead of the bucket's location. The mongo processor took that as "transitioned to another location" and skipped the delete entirely, so the version stayed in mongo forever and the local copy of the data was never reclaimed.The processor now recognizes that case: when the bucket location is an isCRR location, any location part that is not on an isCRR location means the object was localized. Those parts are the ones we own, so the delete goes through and a
deleteDataaction is published for them right after the metadata is removed (that ordering means a failure leaks data rather than losing it). Versions that were never localized still have all their parts on the isCRR location, so nothing is published and the existing behaviour is untouched.Note there is no config flag for this: outside of a clean room there simply are no isCRR locations, so the new branch is unreachable.
Issue: BB-815