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IT Services Circle
IT Services Circle
Sep 21, 2022 · Backend Development

Understanding HikariCP's ConcurrentBag: A Deep Dive into Lock‑Free Connection Pooling

This article explains how HikariCP's lock‑free ConcurrentBag manages database connections using ThreadLocal caches, a CopyOnWriteArrayList, AtomicInteger waiters, and a SynchronousQueue, and walks through the key code for borrowing and returning connections to improve Java multithreaded performance.

ConcurrentBagConnection PoolHikariCP
0 likes · 11 min read
Understanding HikariCP's ConcurrentBag: A Deep Dive into Lock‑Free Connection Pooling
vivo Internet Technology
vivo Internet Technology
Jan 20, 2021 · Databases

Why HikariCP Is the Fastest Database Connection Pool: A Deep Dive

The article explains how HikariCP outperforms other JDBC pools by using bytecode‑generated proxies, a custom FastList, and a thread‑local ConcurrentBag, delivering superior speed, low resource use, and easy migration, making it the default high‑performance connection pool for Spring Boot 2.0.

Concurrent ProgrammingConcurrentBagDatabase Connection Pool
0 likes · 14 min read
Why HikariCP Is the Fastest Database Connection Pool: A Deep Dive