If cache is faster than database… why not store everything in cache? 🤔
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YouTubeAndroid Career Lab
If cache is faster than database… why not store everything in cache? 🤔
🎯 Interviewer: “If cache is faster than database… why not store everything in cache?” 🤔 💡 Sounds smart… but it’s actually a trap. ⚡ Cache (like Redis) is insanely fast because it uses RAM → microseconds response time. But speed alone is NOT enough in system design. 🚫 Here’s why you don’t store everything in cache ...
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