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Discover the latest news, tips and system design from Codemia.

You will learn about web infrastructure, system designs and devops APIs best practices.


Agentic AI
How Would You Design an AI Coding Agent in a System Design Interview?

Coding agents now read a repository, plan a change, edit several files, run the tests, and iterate until they pass. A full walkthrough of the design, from requirements to sandboxing to evaluation, and what an interviewer is listening for at each step.

By CodemiaAug 31, 2026

18 min read

QUIC and TCP
QUIC and the End of TCP Sockets: How User-Space Transport Rewrites Flow Control

Why QUIC’s user-space transport lets us ‘kill’ the old app-level event loop: a tour from Tahoe/Reno to Cubic/BBR, then into QUIC’s pacing, loss recovery, and stream-level multiplexing that trim tail latency and jitter at scale.

By CodemiaOct 9, 2025

10 min read

MySQL
Modern MySQL Scalability, Caching and Workload Suitability

From MySQL’s retired query cache to modern Redis/Memcached, this deep dive compares DB-level vs app-level query caching with real-world hit/stale rates and practical guidance.

By CodemiaOct 4, 2025

5 min read

Linux Kernel
Evolution of Linux Writeback: From Pdflush to Per-BDI Threads and FSCache Integration

Follow Linux writeback’s evolution—from bdflush/pdflush to per-BDI flusher threads—and see how FS-Cache/CacheFiles on Ceph clients cut tail write latency by ~2×.

By CodemiaSep 30, 2025

12 min read

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