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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.
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.
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By Codemia • Oct 9, 2025
10 min read
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.
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By Codemia • Oct 4, 2025
5 min read
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×.
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By Codemia • Sep 30, 2025
12 min read
We dig through five generations of garbage collectors—from CMS to ZGC—using flame graphs, then pit modern JVM ZGC, Go 1.23, and a Rust async executor on the same Kafka-style workload to hunt lingering GC-driven latency spikes. See which runtime tames the tail.
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By Codemia • Sep 13, 2025
8 min read
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