Did you ever have performance issues with a big micro-services architecture? Today I will share with you my personal story on how we managed to reduce latency by 3 times in the Wix authorization system, ending up with single-digit (in ms) responses consistently.

Some details:

My team and I are responsible for the authorization system in Wix. The system should (among others) be able to answer a single simple question: “Is the calling entity allowed to perform the requested operation on the provided resource?”. The answer to this question can be “Yes” or “No”, but getting this answer can be…

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