19 exercises found
Get ready to experience the magic of caching with a practical exercise
Why everyone thinks NoSQL databases are just 'better scaling' versions of SQL databases - and why that's completely wrong!
Understand how centralized caches like Redis act as a shared memory bank for all parts of your application.
Learn why caching at every possible layer can backfire spectacularly and how to choose your caching battles wisely.
Time to get your hands dirty! Here's your mission to explore the NoSQL universe and become a database polyglot.
Learn about the most popular caching solution that powers millions of applications
Master the art of picking the right database for the job - because using the wrong one is like bringing a spoon to a knife fight!
A Message Queue acts as a high-speed buffer between your API and your worker nodes. It decouples your services so that a sudden spike in traffic doesn't crash your system; instead, tasks are safely queued up and processed at a steady, manageable pace.
Message queues and Kafka use pull: consumers fetch messages when ready. PubSub uses push: messages broadcast instantly to all subscribers the moment they arrive.
Redis PubSub acts as a broadcast channel. Subscribers connect to a channel. When a publisher sends a message, Redis pushes it instantly to everyone subscribed at that moment.
Learn the four technical pillars every component must address.
Discover why the simplest database type might be exactly what your application needs - and why Amazon bet their entire infrastructure on this approach!
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