Posts

All the articles I've posted.

• 80/20 Of The Week: Web Servers (Apache, Nginx, Tomcat, ...)

  11 May, 2026

  What web servers actually do before a backend framework handles the request.

• 80/20 Of The Week: Spring Transactions (JPA, JTA, ...)

  5 May, 2026

  How Spring transaction boundaries work and where JPA, local transactions, and JTA differ.

• 80/20 Of The Week: Vector Databases

  27 Apr, 2026

  Why vector databases matter for semantic search, recommendations, RAG, and similarity matching.

• 80/20 Of The Week: Locking (Optimistic, Pessimistic, ...)

  20 Apr, 2026

  Why concurrent updates get tricky and how optimistic and pessimistic locking help.