Nov 6, 2025 · Backend Development

How Switching a Python Web Service to Rust Cut Latency by 75%

This article explains how the team migrated their Python‑based data pipeline to a Rust‑powered web framework (Robyn), achieving a four‑fold reduction in write latency, lower CPU/memory usage, and improved scalability through async I/O and MPSC channels.

Async IOBackendMPSC

0 likes · 12 min read

How Switching a Python Web Service to Rust Cut Latency by 75%

JD Cloud Developers

Mar 27, 2025 · Backend Development

How Caffeine’s ReadBuffer Works: Deep Dive into getIfPresent and Eviction Mechanics

This article explains the inner workings of Caffeine's getIfPresent method, the design of its MPSC ReadBuffer and WriteBuffer, the maintenance cycle, eviction strategies, and the TinyLFU algorithm, providing Java code examples and diagrams to illustrate how caching decisions are made in high‑concurrency environments.

CaffeineMPSCTinyLFU

0 likes · 31 min read

How Caffeine’s ReadBuffer Works: Deep Dive into getIfPresent and Eviction Mechanics