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I read the article. It seems to be suggesting that cache invalidation might no longer be a hard thing in computer science because of the insights uncovered by your tracing and observability solution. IOW, now that you can measure and audit the system, you're able to find and fix bugs in the system. Is that the correct take-away?

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Yep. You're exactly right. And the approach is generic and I think it should work for everyone.

The idea is that with all these observability capabilities, debugging cache inconsistencies is getting very actionable and close to how we debug an error with message telling us exactly where an exception happened.

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