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IO-bound

4 articles · Page 1 of 1
LuTiao Programming
LuTiao Programming
Sep 7, 2026 · Backend Development

Virtual Threads Eliminated Thread Pools — Until MySQL Connections Ran Out

After upgrading to Java 25 and Spring Boot 4, the author enabled virtual threads and removed custom thread pools for IO-heavy aggregation endpoints. While code simplified dramatically, the bottleneck shifted from thread exhaustion to HikariCP connection pool exhaustion, revealing that virtual threads don't increase downstream capacity. The solution: limit scarce resources (DB connections, HTTP clients) directly rather than limiting threads.

ConcurrencyHikariCPIO-bound
0 likes · 12 min read
Virtual Threads Eliminated Thread Pools — Until MySQL Connections Ran Out
php Courses
php Courses
Apr 18, 2025 · Fundamentals

Understanding Multithreading in Python with the threading Module

This article explains Python's multithreading concepts, covering thread creation via subclassing Thread or using target functions, synchronization mechanisms like Lock, RLock, and Condition, and discusses the impact of the Global Interpreter Lock, helping readers apply threading effectively for I/O‑bound tasks.

GILIO-boundPython
0 likes · 9 min read
Understanding Multithreading in Python with the threading Module