Cloud.
I build backend systems and explore databases, distributed systems, storage systems, and AI infrastructure — how they work and why they’re designed that way.
My engineering notebook on the web: things I learn, things I build, and ideas I’m still exploring.
More about me ↗Currently Exploring
FOLLOWING THE THREADSLatest Writing 03
All articles →- ↗
LLM 推理：从 Prefill 到 Decode
seedling从推理引擎视角理解模型计算、KV Cache、请求调度与性能指标。
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Understanding the LSM tree
evergreenA write path built around sequential I/O — and the trade-offs that follow.
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Think in access paths, selectivity, and the rows you do not want to read.
Latest Notes 03
Enter the garden →Smaller observations. Open questions. Ideas taking root.
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Raft log replication
growingFollowing an entry from the leader’s log to a committed state-machine update.
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RocksDB compaction notes
seedlingBackground work is part of the write path, even when the caller cannot see it.
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Inference is a memory problem, too
seedlingA first sketch of weights, activations, and the KV cache.
◌ Seedling An idea planted ◒ Growing Taking shape ✳ Evergreen Built to last