High-performance Java Persistence Pdf

Published in 2016, the book dives deep into the world of Java persistence, exploring the intricacies of working with databases, JDBC, Hibernate, and JPA. Vlad Mihalcea, a renowned expert in the field, shares his extensive knowledge and experience on how to achieve high-performance data access in Java applications.

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Most developers use default HikariCP (great) but misconfigure maximumPoolSize . High-performance means setting it to (2 * number of cores) + 1 for transaction-heavy systems. Free cheat sheets summarize these formulas. high-performance java persistence pdf

You can find more information and download the PDF from various online sources. Published in 2016, the book dives deep into

The #1 killer. For 1 parent entity, Hibernate makes N additional queries for each child. The solution: JOIN FETCH , @BatchSize , or DTO projections. Free PDF guides explain how to detect this via show_sql and fix it. High-performance means setting it to (2 * number

Overall, "High-Performance Java Persistence" is an invaluable resource for Java developers seeking to improve the performance and scalability of their data access layers. With its comprehensive coverage of Java persistence and performance optimization techniques, this book has become a must-read for many developers working with Java and databases.