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Introduction to Raft Mode: Raft mode in Kafka refers to a new architecture introduced to remove ZooKeeper from Kafka’s setup. ZooKeeper used to manage Kafka’s metadata (like topic configurations and broker states). However, ZooKeeper adds complexit...
Intend The builder pattern is to separate the construction of a complex object from its representation, allowing for a step-by-step construction process. It suggests that you extract the object construction code out of its own class and move it to se...
🧩 What is Abstraction? Abstraction is one of the fundamental principles of OOP. It involves hiding the complex implementation details of an object and exposing only the necessary and relevant parts. 🎓 Why is Abstraction Important? Simplifies c...
Understanding Request Flow in System Design we'll dive into how a request flows through a system from the frontend to the backend (assume net banking). Here’s an illustration to help us visualize the process. 👤 Step 1: User Interaction A user init...