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[Cache] fix eventual consistency when using RedisTagAwareAdapter with a cluster#41804
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0f4cb6e to8fcc2feCompareandrerom commentedJun 23, 2021
+1 moving this logic to server when we can is great, might fix som edge case issues where cache becomes inconsistent as well 👍 |
8fcc2fe to5f2d5e0Compare This was referencedJun 30, 2021
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Right now, if the Symfony app stops in the middle of the invalidation logic, we lose the keys to invalidate.
This PR fixes the invalidation logic by making it eventually consistent, and also more scalable thanks to using
SSCANinstead ofSMEMBERSwhen iterating over the items to delete.The eventual consistency happens when the same tag is invalidated again. We could improve this eg by garbage collecting also when saving and deleting an item but I'll let this as an exercise for a future contributor :)
/cc@andrerom in case you'd like to have a look.