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Architecture Digest
Architecture Digest
Jun 22, 2022 · Backend Development

Implementing and Optimizing a High‑Concurrency Long‑Connection Service with Netty

This article explains how to build a scalable long‑connection server using Netty, discusses the underlying bottlenecks such as Linux kernel limits, CPU and GC issues, and provides practical code examples and tuning techniques to achieve hundreds of thousands of connections and high QPS.

Java NIOLong ConnectionsNetty
0 likes · 15 min read
Implementing and Optimizing a High‑Concurrency Long‑Connection Service with Netty
Efficient Ops
Efficient Ops
Apr 6, 2022 · Operations

How Many TCP Connections Can One Server Really Handle? A Deep Dive

This article demystifies the common confusion about a server’s maximum concurrent TCP connections, explaining the theoretical limits of the TCP four‑tuple, Linux file‑descriptor restrictions, kernel buffer settings, and demonstrates achieving one million active connections through careful configuration and tuning.

LinuxTCPconcurrency
0 likes · 7 min read
How Many TCP Connections Can One Server Really Handle? A Deep Dive