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codeN’ on Instagram: "Understand System Design with my small stories and follow tor more! Optimistic locking assumes conflicts are rare. Transactions proceed without taking locks while reading and modifying data. Before committing, each transaction validates that the data it read hasn’t been changed by someone else. If validation fails, the transaction aborts (retries or fails). Typical implementations use a version number, timestamp, or compare-and-swap (CAS). #dsa #reelsinstagram #systemdesign

Fullstack Gada | Optimistic vs Pessimistic Locking 🔒 👉 Pessimistic Locking: Lock first, then work – safe but slow. 👉 Optimistic Locking: Work first, verify... | Instagram

codeN’ on Instagram: "Real life stories to understand Real System Design concepts. Pessimistic locking assumes conflicts will happen, so it locks the data before a transaction starts modifying it. Think of it as: “I’ll lock the file before editing, so no one else can even touch it until I’m done.” When one transaction locks a record, other transactions must wait until the lock is released. #database #systemdesign #dsa #reelsinstagram #programming"

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