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  • Sejong Univ. CE

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Achievement: YOLOAchievement: Pull Sharkx3Achievement: Quickdraw

Achievements

Achievement: YOLOAchievement: Pull Sharkx3Achievement: Quickdraw

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Mr-TongYoung/README.md

๐Ÿ‘จโ€๐Ÿ’ป ๊น€์ค€ํ˜ธ | ๋ฐฑ์—”๋“œ ๊ฐœ๋ฐœ์ž | ๋Œ€์šฉ๋Ÿ‰ ํŠธ๋ž˜ํ”ฝ ์ฒ˜๋ฆฌ์— ์ง„์‹ฌ์ž…๋‹ˆ๋‹ค!

visitor badge ์ €๋Š” ์‹œ์Šคํ…œ ์„ค๊ณ„ ๋ฐ ์„ฑ๋Šฅ ์ตœ์ ํ™”์— ๊ด€์‹ฌ์ด ๋งŽ์€ ๊ฐœ๋ฐœ์ž์ž…๋‹ˆ๋‹ค.
๋Œ€๊ทœ๋ชจ ํŠธ๋ž˜ํ”ฝ ํ™˜๊ฒฝ์—์„œ๋„ ์•ˆ์ •์ ์ธ ์„œ๋น„์Šค ์ œ๊ณต์„ ๋ชฉํ‘œ๋กœ, Kafka ๋ฉ”์‹œ์ง€ํ ๊ธฐ๋ฐ˜ ๋น„๋™๊ธฐ ์ฒ˜๋ฆฌ, Redis ์บ์‹ฑ TTL ์ •์ฑ…, PostgreSQL ์ธ๋ฑ์‹ฑ ๋“ฑ
์‹ค์ œ ํŠธ๋ž˜ํ”ฝ ์ƒํ™ฉ์„ ๊ณ ๋ คํ•œ ์•„ํ‚คํ…์ฒ˜ ์„ค๊ณ„์™€ ์„ฑ๋Šฅ ํ…Œ์ŠคํŠธ์— ์ง‘์ค‘ํ•˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.

"๋น ๋ฅด๊ณ  ํ™•์žฅ ๊ฐ€๋Šฅํ•˜๋ฉฐ ๊ด€์ธก ๊ฐ€๋Šฅํ•œ ์‹œ์Šคํ…œ์„ ๋งŒ๋“œ๋Š” ๊ฒƒ์ด ์ €์˜ ๋ชฉํ‘œ์ž…๋‹ˆ๋‹ค." ๐Ÿš€

๐Ÿงฐ ๊ธฐ์ˆ  ์Šคํƒ

๐Ÿ’ผ ํ”„๋กœ์ ํŠธ ๊ฒฝํ—˜

๐Ÿƒโ€โ™‚๏ธ ๋Ÿฌ๋‹ SNS ์„œ๋น„์Šค (๊ฐœ์ธ ํ”„๋กœ์ ํŠธ)

  • Kafka + Redis ๊ธฐ๋ฐ˜ ๋‰ด์Šคํ”ผ๋“œ ์บ์‹œ ์•„ํ‚คํ…์ฒ˜ ์„ค๊ณ„
  • ๊ฒŒ์‹œ๊ธ€ FanOut ๊ตฌ์กฐ โ†’ Kafka ๋ฉ”์‹œ์ง€ ํ ๊ธฐ๋ฐ˜ ๋น„๋™๊ธฐ ์ฒ˜๋ฆฌ ๊ตฌ์กฐ ์ „ํ™˜ (์œ ์ € 4๋งŒ๋ช… ์ƒํ™ฉ์—์„œ P95 100ms์œ ์ง€)
  • nGrinder ๋ถ€ํ•˜ ํ…Œ์ŠคํŠธ ๋ฐ Grafana๋กœ TPS, P99 ์ง€์—ฐ์‹œ๊ฐ„ ์‹œ๊ฐํ™”
  • fetch join ํ†ตํ•œ N+1์ฟผ๋ฆฌ๋ฌธ์ œ ๋ถ„์„
  • JWT vs Session์˜ ์ฐจ์ด ๋ถ„์„ํ•˜์—ฌ ๋‚ด ์•„ํ‚คํ…์ณ์— ๋งž๋Š” ๋กœ๊ทธ์ธ ๊ตฌํ˜„
  • Kafka CDC๋ฅผ ํ†ตํ•œ ์ด๋ฒคํŠธ ๊ฐ์ง€ํ˜• ์•„ํ‚คํ…์ณ ์„ค๊ณ„

๐Ÿป ์ˆ ๊ฒŒ์ž„ ๋ฐฑ๊ณผ์‚ฌ์ „ (ํŒ€ ํ”„๋กœ์ ํŠธ)

  • AWS S3 Presigned URL ๊ธฐ๋ฐ˜ ์ด๋ฏธ์ง€ ์—…๋กœ๋“œ ์„ฑ๋Šฅ ๊ฐœ์„ 
  • Spring ์ƒํƒœ๊ณ„์— ๋Œ€ํ•œ ๊ธฐ์ดˆ ํ•™์Šต ๊ธฐ๋ฐ˜ ๋งˆ๋ จ

๐Ÿ“Œ ํ˜„์žฌ ๊ด€์‹ฌ ๋ถ„์•ผ

  • Kafka ๊ธฐ๋ฐ˜ MSA ์ด๋ฒคํŠธ ์„ค๊ณ„
  • PostgreSQL ์„ฑ๋Šฅ ๋ถ„์„ (์ธ๋ฑ์‹ฑ, EXPLAIN ANALYZE ๋“ฑ)
  • ํด๋ผ์šฐ๋“œ ๋„ค์ดํ‹ฐ๋ธŒ ์•„ํ‚คํ…์ฒ˜ (Kubernetes, Harbor, ArgoCD ๋“ฑ)
  • ELK ์Šคํƒ ๋กœ๊ทธ ๋ถ„์„ ๋ฐ ์‹ค์‹œ๊ฐ„ ์‹œ๊ฐํ™”

๐Ÿง  ์•Œ๊ณ ๋ฆฌ์ฆ˜ & ํ™œ๋™

Solved.ac ํ”„๋กœํ•„

์ทจ๋ฏธ

๐Ÿฆ ํƒ์กฐ ์ปค๋ฎค๋‹ˆํ‹ฐ ์šด์˜

IMG_6849 DSC00552

โšฝ ์ถ•๊ตฌ

๐ŸŽฎ ํฌ์ผ“๋ชฌ

image

๐Ÿ“ซ ์—ฐ๋ฝ์ฒ˜ ๋ฐ ํ™œ๋™

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