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Deep Dive into Pessimistic Locking in Spring Boot
In the world of database transactions, ensuring data consistency and integrity is paramount. Pessimistic locking is a technique used to prevent concurrent access to shared resources by acquiring locks that restrict other transactions from modifying the same data concurrently. In Spring Boot applications, leveraging pessimistic locking mechanisms can be crucial for maintaining data integrity in high-concurrency environments. In this comprehensive guide, we’ll explore the intricacies of pessimistic locking in Spring Boot, providing detailed explanations and numerous code examples to equip you with the knowledge needed to implement and utilize pessimistic locks effectively.
Understanding Pessimistic Locking
Before diving into Spring Boot implementations, let’s establish a solid understanding of pessimistic locking and its significance in database transactions. Pessimistic locking is a concurrency control mechanism where a lock is acquired on a database record or resource before performing any modifications. This lock prevents other transactions from accessing or modifying the locked resource until the lock is released, thereby ensuring data consistency and preventing conflicts in concurrent environments.