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From the blog

Deep dives written by GoSuda members.

Networking

Chrome์ฒ˜๋Ÿผ ๋งํ•˜๋„๋ก Go ํ”„๋กœ๊ทธ๋žจ ๊ฐ€๋ฅด์น˜๊ธฐ

chromenet์€ ํ‘œ์ค€ Go HTTP ํด๋ผ์ด์–ธํŠธ๊ฐ€ cgo๋‚˜ C ์ปดํŒŒ์ผ๋Ÿฌ ์—†์ด๋„ ์‹ค์ œ Chromium ๋„คํŠธ์›Œํฌ ์—”์ง„์„ ํ†ตํ•ด ์›น๊ณผ ํ†ต์‹ ํ•  ์ˆ˜ ์žˆ๋„๋ก ํ•ด ์ค€๋‹ค.

Lemon Mint ยท Nov 9, 2026 views ... likes ...

๋ฃจํŠธ ๊ถŒํ•œ์ด๋‚˜ ์‚ฌ์šฉ์ž ๋„ค์ž„์ŠคํŽ˜์ด์Šค ์—†์ด Docker, docker build, docker compose ์‹คํ–‰ํ•˜๊ธฐ

๋ฃจํŠธ ๊ถŒํ•œ, sudo, unshare(CLONE_NEWUSER), mount(2), /dev/fuse๊ฐ€ ๋ชจ๋‘ ์ฐจ๋‹จ๋œ ์ƒํƒœ์—์„œ, ๊ถŒํ•œ์ด ์—†๋Š” ์ผ๋ฐ˜ ์‚ฌ์šฉ์ž๋กœ์„œ ๊ฒฉ๋ฆฌ๋œ gVisor ์‚ฌ์šฉ์ž ๊ณต๊ฐ„ ์ƒŒ๋“œ๋ฐ•์Šค ๋‚ด๋ถ€์— ์™„์ „ํ•œ Docker Engine(dockerd, BuildKit, overlayfs, docker compose)์„ ์•ˆ์ „ํ•˜๊ฒŒ ์‹คํ–‰ํ•˜๋Š” ๋ฐฉ๋ฒ•

Lemon Mint ยท Nov 6, 2026 views ... likes ...
Low-level

gvx: ๋‹จ์ผ ๋น„ํŠน๊ถŒ ํ”„๋กœ์„ธ์Šค์—์„œ Linux ์ปจํ…Œ์ด๋„ˆ, Docker, Kubernetes ์‹คํ–‰

gvx์— ๋Œ€ํ•œ ๊ธฐ์ˆ  ๊ฐœ์š”๋กœ, gVisor ์‚ฌ์šฉ์ž ๊ณต๊ฐ„ ์ปค๋„์„ ๊ธฐ๋ฐ˜์œผ๋กœ ๊ตฌ์ถ•๋œ ๋ณด์•ˆ ๊ฐ•ํ™”ํ˜• ํฌ๋กœ์Šค ํ”Œ๋žซํผ ์ปจํ…Œ์ด๋„ˆ ๋Ÿฐํƒ€์ž„์ด์ž Go SDK์ž…๋‹ˆ๋‹ค. ์ด๋ฅผ ํ†ตํ•ด ๋‹จ์ผ ๋น„ํŠน๊ถŒ ํ”„๋กœ์„ธ์Šค ๋‚ด์—์„œ Linux ์ปจํ…Œ์ด๋„ˆ, Docker-in-Docker, ๊ทธ๋ฆฌ๊ณ  ๋‹ค์ค‘ ๋…ธ๋“œ ๊ณ ๊ฐ€์šฉ์„ฑ(HA) Kubernetes๋ฅผ ์•ˆ์ „ํ•˜๊ฒŒ ์‹คํ–‰ํ•  ์ˆ˜ ์žˆ์œผ๋ฉฐ, Windows, macOS, Linux ์ „๋ฐ˜์—์„œ ๋™์ž‘ํ•ฉ๋‹ˆ๋‹ค.

Lemon Mint ยท Nov 6, 2026 views ... likes ...
AI

AI ์—์ด์ „ํŠธ RL ๋กค์•„์›ƒ์„ ์œ„ํ•œ gvx ๊ธฐ๋ฐ˜์˜ ๋น ๋ฅด๊ณ  ๊ฒฉ๋ฆฌ๋œ Docker ํ™˜๊ฒฝ

SWE-bench ๋ฐ ์ฝ”๋”ฉ ์—์ด์ „ํŠธ ๊ฐ•ํ™”ํ•™์Šต ๋กค์•„์›ƒ์„ ์œ„ํ•ด, 100๋ฐ€๋ฆฌ์ดˆ ๋‹จ์œ„์˜ ์“ฐ๊ธฐ ์‹œ ๋ณต์‚ฌ(copy-on-write) ext4lite ๋ณผ๋ฅจ ์ดˆ๊ธฐํ™”๋ฅผ ์ ์šฉํ•˜๋ฉด์„œ ์ˆ˜๋ฐฑ ๊ฐœ์˜ ๋ณ‘๋ ฌ์ ์ด๊ณ  ๊ฐ•ํ•˜๊ฒŒ ๊ฒฉ๋ฆฌ๋œ ๋น„ํŠน๊ถŒ Docker ๋ฐ Kubernetes ํ™˜๊ฒฝ์„ ์•ˆ์ „ํ•˜๊ฒŒ ์‹คํ–‰ํ•˜๋Š” ๋ฐฉ๋ฒ•

Lemon Mint ยท Nov 6, 2026 views ... likes ...
Low-level

gVisor ๋ฐ ์ค‘์ฒฉ ์ƒŒ๋“œ๋ฐ•์Šค ๋‚ด๋ถ€์—์„œ gvx๋กœ Docker-in-Docker ์‹คํ–‰ํ•˜๊ธฐ

gVisor ์ปจํ…Œ์ด๋„ˆ ๋‚ด๋ถ€์—์„œ docker.io๋ฅผ ์„ค์น˜ํ•˜๊ฑฐ๋‚˜ runsc๋ฅผ ์ค‘์ฒฉ ์‹คํ–‰ํ•˜๋Š” ๊ฒƒ์ด modprobe, iptables-nft, overlay2, cgroups, seccomp EBUSY์— ๊ฑธ์ณ ์‹คํŒจํ•˜๋Š” ์ด์œ , ๊ทธ๋ฆฌ๊ณ  gvx๊ฐ€ --privileged ์—†์ด ๊ฒฉ๋ฆฌ๋œ user-space kernel ๋‚ด๋ถ€์—์„œ ์ค‘์ฒฉ๋œ docker:dind๋ฅผ ์•ˆ์ „ํ•˜๊ฒŒ ์‹คํ–‰ํ•˜๋Š” ๋ฐฉ๋ฒ•

Lemon Mint ยท Nov 6, 2026 views ... likes ...
Low-level

Git ๋ชจ๋…ธ๋ ˆํฌ ์žฌ๊ณ ์ฐฐ: ์ธ๊ฐ„๊ณผ ์ฝ”๋”ฉ ์—์ด์ „ํŠธ๋ฅผ ์œ„ํ•œ CAS ๋„ค์ดํ‹ฐ๋ธŒ ์•„ํ‚คํ…์ฒ˜

ํ‘œ์ค€ Git ์œ„์—์„œ zero-daemon, CAS-native ๋ชจ๋…ธ๋ ˆํฌ๋ฅผ ๊ตฌ์ถ•ํ•˜๋Š” ๋ฐฉ๋ฒ•: parentless trunk snapshots, isolated workspace references, in-memory merge trees, hierarchical OWNERS, ๊ทธ๋ฆฌ๊ณ  O(delta) mirror synchronization์„ ํ™œ์šฉํ•˜๋Š” ๋ฐฉ๋ฒ•.

Lemon Mint ยท Oct 30, 2026 views ... likes ...
Low-level

gosuda.org/zstd: CGO ์—†์ด ๊ตฌํ˜„๋œ DataDog/zstd ํ˜ธํ™˜ ์••์ถ• ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ์™€ ํฌ๋ž˜์‹œ ๊ฒฉ๋ฆฌ

CGO_ENABLED=0 ํ™˜๊ฒฝ์—์„œ ๋™์ž‘ํ•˜๋ฉฐ, ๊ณต์œ  ๋ฉ”๋ชจ๋ฆฌ ์›Œ์ปค์—์„œ ์—…์ŠคํŠธ๋ฆผ C ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ libzstd 1.5.7์„ ์‹คํ–‰ํ•˜๋Š” Go Zstandard ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ๋กœ, DataDog/zstd ํ˜ธํ™˜ API, ์žฌ์‚ฌ์šฉ ๊ฐ€๋Šฅํ•œ ์ปจํ…์ŠคํŠธ, ๋Œ€๋Ÿ‰ ์ผ๊ด„ ์ฒ˜๋ฆฌ(bulk batching)๋ฅผ ์ง€์›ํ•ฉ๋‹ˆ๋‹ค.

Lemon Mint ยท Oct 18, 2026 views ... likes ...
Databases

gosuda.org/sqlite3: ๊ณต์œ  ๋ฉ”๋ชจ๋ฆฌ IPC ๊ธฐ๋ฐ˜ CGO_ENABLED=0 database/sql ๋“œ๋ผ์ด๋ฒ„

CGO_ENABLED=0 ํ™˜๊ฒฝ์„ ์ง€์›ํ•˜๊ณ , HQQ ๊ณต์œ  ๋ฉ”๋ชจ๋ฆฌ ์›Œ์ปค ๊ฒฉ๋ฆฌ, 64 KiB ๋ฐฐ์น˜ ํ–‰ ์„ ํ–‰ ๋กœ๋”ฉ(prefetching), SLSA ์ธ์ฆ ๋ฐ”์ด๋„ˆ๋ฆฌ๋ฅผ ์ œ๊ณตํ•˜๋Š” Go์šฉ ๋“œ๋กญ์ธ(drop-in) database/sql SQLite 3.54.1 ๋“œ๋ผ์ด๋ฒ„.

Lemon Mint ยท Oct 18, 2026 views ... likes ...
Low-level

HQQ: ์บ์‹œ ๋ผ์ธ ๊ณต์œ  ๋ฉ”๋ชจ๋ฆฌ๋ฅผ ํ†ตํ•œ Go์™€ C ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ์˜ ๊ฒฉ๋ฆฌ

์ œ๋กœ-cgo IPC ๋Ÿฐํƒ€์ž„, IDL ์ปดํŒŒ์ผ๋Ÿฌ(hqq-bindgen), ๊ทธ๋ฆฌ๊ณ  ๊ฒ€์ฆ๋œ ํ”„๋กœ์„ธ์Šค ๊ฐ๋…๊ธฐ๋กœ์„œ, ๊ณต์œ  ๋ฉ”๋ชจ๋ฆฌ ๋ง์„ ํ†ตํ•ด ๊ฒฉ๋ฆฌ๋œ ์›Œ์ปค ํ”„๋กœ์„ธ์Šค์—์„œ ๋„ค์ดํ‹ฐ๋ธŒ C11 ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ๋ฅผ ์‹คํ–‰ํ•ฉ๋‹ˆ๋‹ค.

Lemon Mint ยท Oct 18, 2026 views ... likes ...