High-performance Java Persistence.pdf 💎

Mastering High-Performance Java Persistence: Bridging the Gap Between Objects and Relations

Having the file is step one. Using it correctly is step two. Here is a learning path based on the PDF’s structure:

Database Agnostic & Specific

: It covers concepts in a technology-agnostic way while providing "breakout" sections for specific databases like PostgreSQL , MySQL , Oracle , and SQL Server . High-performance Java Persistence.pdf

• N+1 selects caused by lazy-loading collections or associations.
• Excessive SQL generated by ORMs (unintentional cascading, eager fetches).
• Large transactions holding database locks too long.
• High memory/GC overhead from large object graphs or inefficient caching.
• Inefficient batch operations and missing JDBC batching.

Common performance problems

high-performance-java-persistence/README.md at master - GitHub and SQL Server .

How to Effectively Use "High-performance Java Persistence.pdf"