Tagged “upgrades”
-
Upgrading a vector database engine
The upgrade that goes wrong changes result quality, not availability. What to check before, how to stage it, and why your old snapshots may stop working.
-
Changing a collection schema after it has data
Some schema changes are a config edit, some are a full rebuild, and the engine will not always tell you which. How to find out before you promise a date.
-
Catching an embedding model change nobody announced
Query vectors from a new model version searched against an index built with the old one. Nothing errors, recall falls, and only a probe will tell you.