{
  "id": "java-jpa-hibernate-performance",
  "name": "Java JPA/Hibernate Performance Review",
  "version": "0.1.0",
  "type": "skill",
  "provider": "java",
  "harnesses": [
    "codex",
    "claude-code",
    "cursor",
    "gemini",
    "kiro",
    "other"
  ],
  "summary": "Static review of JPA/Hibernate data access for fetch-strategy correctness and reliability — N+1 exposure, JOIN FETCH vs @EntityGraph vs @BatchSize vs DTO projection, LazyInitializationException and open-in-view misuse, pagination-with-fetch cartesian products, and HikariCP pool sizing. Reads source and mapping only.",
  "source_type": "original",
  "official_docs": [
    "https://docs.jboss.org/hibernate/orm/current/userguide/html_single/Hibernate_User_Guide.html",
    "https://jakarta.ee/specifications/persistence/",
    "https://docs.spring.io/spring-data/jpa/reference/",
    "https://github.com/brettwooldridge/HikariCP/wiki/About-Pool-Sizing"
  ],
  "security_notes": "Static review only — reads entity classes, mappings, repository/query code, and sanitized configuration; never opens a database connection, runs a query, or executes migrations. Never requests connection strings, database credentials, tenant identifiers, or customer data.",
  "last_verified": "2026-07-17",
  "path": "skills/java/java-jpa-hibernate-performance",
  "author": "github: VincentChuWaiChow"
}