High-performance Java Persistence.pdf -

Optimistic locking (via @Version ) is great for low-contention data. However, for high-throughput systems where contention is likely, explicit pessimistic locking might be required to prevent deadlocks and ensure data integrity, though it comes at the cost of concurrency.

You cannot fix what you cannot see. The PDF acts as a guide to interpreting logs: High-performance Java Persistence.pdf

Fetching and associations

The reason stands out from standard Hibernate documentation is its obsession with metrics and benchmarking. It doesn't just tell you how to do something; it shows you the performance difference between doing it right and doing it wrong. Optimistic locking (via @Version ) is great for

Concrete example checklist (fast wins)

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