The Turtle Code·Oct 29HikariCP Connection Pool Explained: 12 Mistakes That Can Take Down Your Spring Boot APIYour database can be healthy, your SQL queries can be fast, and your Spring Boot application can still stop serving requests. One of the…
Naveen Metta·Oct 15The Connection Pool Incident That Took Down Checkout for 14 MinutesA postmortem on how one innocent HTTP call inside a transaction drained HikariCP and stalled every order.
IndevdomainbyMarcelo Domingues·Oct 6HikariCP Deep Dive: Tuning Your Connection Pool for ProductionThe connection pool is the most…HikariCP is the default connection pool in Spring Boot, and it’s fast and reliable — but “default” is not “tuned.” This deep dive walks…
Grazia D'Amico·Sep 24Why Can Scaling Kubernetes Pods Overload Your Database?Horizontal scaling is one of the most familiar ideas in Kubernetes.
InBoot Camp JavabyNavya Devadiga·Sep 8Virtual Threads Just Made HikariCP Your Hard Concurrency CeilingTen connections, unlimited virtual threads, and a thirty-second default connectionTimeout. The load test passes because it never sustains…
Shashwat Singh·Jun 11A Small Lesson I Learned About Connection PoolsWhile working on a Java application (JDBC) recently, I came across an interesting design question involving HikariCP connection pools.
Rduttaking·Jun 10The Evolution of Java Database ConnectivityIn 2005, forgetting to close a connection didn’t throw an error. It just silently ate your server alive.
InStackademicbyPramod Kumar·May 26When a Healthy Spring Boot Service Suddenly Hit 90% CPU: The HikariCP Incident Nobody ExpectedA real production debugging story of connection pool exhaustion, thread contention, and hidden database bottlenecksA response icon1A response icon1
Yashpal·May 19HikariCP: The Complete Guide From Internals to Production IncidentsHikariCP is the default connection pool in Spring Boot 2.x and beyond. It’s invisible when things go well and catastrophic when…