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Code Mala Tang
Code Mala Tang
Feb 24, 2026 · Backend Development

Why Async FastAPI Still Blocks and How to Offload Heavy Work

After fixing unlimited queries and pagination issues, this article reveals why async FastAPI still stalls under load, outlines the hidden bottlenecks in the request lifecycle, and provides practical rules and code examples for offloading heavy work to background workers, ensuring scalability, idempotence, and observability.

AsyncFastAPIParallelism
0 likes · 9 min read
Why Async FastAPI Still Blocks and How to Offload Heavy Work
macrozheng
macrozheng
Jun 20, 2024 · Backend Development

What Is the HTTP QUERY Method and How Does It Differ from GET/POST?

This article explains the HTTP QUERY method as a safe, idempotent request type that carries payloads like POST but enables caching and automatic retries, detailing its semantics, caching behavior, Accept-Query header, and providing practical code examples.

HTTPQUERY methodWeb API
0 likes · 10 min read
What Is the HTTP QUERY Method and How Does It Differ from GET/POST?
Code Ape Tech Column
Code Ape Tech Column
Feb 3, 2021 · Backend Development

Understanding RocketMQ Consumer Mechanisms: Consumption Modes, Idempotent Handling, Load Balancing, and Rebalancing

This article explains RocketMQ consumer fundamentals, covering concurrent and ordered consumption modes, how to achieve idempotent processing with Redis locks, the load‑balancing strategy implemented by RebalanceImpl, and the complete pull‑process‑consume workflow including code examples.

ConsumerJavaMessage Queue
0 likes · 13 min read
Understanding RocketMQ Consumer Mechanisms: Consumption Modes, Idempotent Handling, Load Balancing, and Rebalancing