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The PACELC theorem extends the famous CAP theorem to give us a more complete picture of trade-offs in distributed systems. While CAP focuses only on network partitions, PACELC covers both partition and normal operation scenarios. The Two Scenarios ...
1. Heartbeat Mechanism 💓 What it does: • Detects failures in distributed systems • All nodes send "I'm alive" signals to central service • Central server monitors health status When failure detected: • No heartbeat = node is down • System randomly ...
1. 📈 Eventual Consistency (Weakest) Key Principle: All nodes will eventually converge to the same state, but not immediately. ✨ Characteristics: Finite Time Convergence: All nodes will eventually reach the same state after a finite period No Immed...