I will not say cache invalidation is easy; and I am not trying to minimize anyone’s struggles. But cache invalidation is _not_ like FLP impossibility or CAP. To

I will not say cache invalidation is easy; and I am not trying to minimize anyone’s struggles. But cache invalidation is _not_ like FLP impossibility or CAP. Too many systems reason caching (inherently a distributed system) in an ad-hoc way that leads to failures and this belief that cache invalidation is uniquely hard (https://twitter.com/marcjbrooker/status/1534944338341310470?s=21&t=pXvsxVPPUZryP1VpWdgpmQ https://twitter.com/marcjbrooker/status/1534944338341310470?...). https://en.wikipedia.org/wiki/Consensus_(computer_science) https://en.wikipedia.org/wiki/Consensus_(computer_science) https://en.wikipedia.org/wiki/CAP_theorem https://en.wikipedia.org/wiki/CAP_theorem