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At my previous job we either didn't migrate and wrote application level transforms that would update records as they were encountered by users (mongodb) or we h
by archarios 7y ago
At my previous job we either didn't migrate and wrote application level transforms that would update records as they were encountered by users (mongodb) or we had a custom built migration system that ran JavaScript snippets on our shards. The migration system was miserable to work with and it was hard to debug the code on stage in such a way that would allow us to anticipate whatever might be on prod...
- ezekg 7y agoThis sounds like a nightmare. Why?
- VectorLock 7y ago>(mongodb)
- archarios 7y agoThis is a fairly typical approach minus the pain points of our specific migration system for Mongodb as far as I know. We favored application level transforms for the sake of safety and speed. Doing that obviously gets really bothersome as time goes on though.