Details
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Bug
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Status: Resolved
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Critical
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Resolution: Fixed
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1.12.1, 1.13.0
Description
Sources currently store their registered readers into the snapshot. However, when downscaling, there are unmatched readers we violate a couple of invariants.
The solution is to not store registered readers - they are re-registered anyways on restart.
To keep it backward compatible, the best option is to always store an empty set of readers while writing the snapshot and discard any recovered readers from the snapshot.