🌐 Frontend & Web

6 Backend Truths AI Skips: Why Your Spring Boot App Crashes Tuesdays at 2 AM

AI spits out flawless CRUD. But it won't warn you when 200 threads choke your 6-core server. Here's the human intel that saves outages.

Spring Boot server dashboard showing thread contention and DB pool metrics during peak load

⚡ Key Takeaways

  • Profile threads before bumping—context switching kills IO apps. 𝕏
  • HikariCP: (cores*2)+1 for SSD DBs; keep transactions short. 𝕏
  • Slay N+1 with EntityGraph or FETCH JOINs—no more query storms. 𝕏
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Originally reported by dev.to

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