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Medallion Architecture ์ •๋ฆฌ

2026. 1. 30. 19:40
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๐Ÿฅ‰๐Ÿฅˆ๐Ÿฅ‡ Medallion Architecture ์ •๋ฆฌ

ํ•œ ์ค„ ์ •์˜

๐Ÿ‘‰ ๋ฐ์ดํ„ฐ๋ฅผ ํ’ˆ์งˆ ๋‹จ๊ณ„๋ณ„๋กœ ๋‚˜๋ˆ  ๊ด€๋ฆฌํ•˜๋Š” ์•„ํ‚คํ…์ฒ˜ ํŒจํ„ด

(์›๋ณธ → ์ •์ œ → ๋ถ„์„์šฉ)


์™œ ๋‚˜์™”๋ƒ๋ฉด?

  • Data Lake์— ๋ฐ์ดํ„ฐ๋งŒ ์Œ“์•„๋‘๋‹ˆ
    • ๋ญ๊ฐ€ ๋ฏฟ์„ ์ˆ˜ ์žˆ๋Š” ๋ฐ์ดํ„ฐ์ธ์ง€ ๋ชจ๋ฅด๊ฒ ๊ณ 
    • ๋‹ค์‹œ ์ฒ˜๋ฆฌํ•˜๊ธฐ๋„ ํž˜๋“ค๊ณ 
    • ํŒ€ ์ปค์งˆ์ˆ˜๋ก ํ˜ผ๋ž€

๊ทธ๋ž˜์„œ Databricks ์ชฝ์—์„œ

๐Ÿ‘‰ “๋‹จ๊ณ„๋ณ„๋กœ ์ฑ…์ž„์„ ๋‚˜๋ˆ„์ž” ํ•˜๊ณ  ์ •๋ฆฌํ•œ ๊ฐœ๋…


์ „์ฒด ๊ตฌ์กฐ (ํ•ต์‹ฌ)

๐Ÿฅ‰ Bronze  →  ๐Ÿฅˆ Silver  →  ๐Ÿฅ‡ Gold
์›๋ณธ         ์ •์ œ         ๋ถ„์„/๋น„์ฆˆ๋‹ˆ์Šค


๐Ÿฅ‰ Bronze (Raw / ์›๋ณธ)

์—ญํ• 

  • ๋ฐ์ดํ„ฐ ์žˆ๋Š” ๊ทธ๋Œ€๋กœ ๋ณด๊ด€
  • ์žฌ์ฒ˜๋ฆฌ(backfill) ๋Œ€๋น„

ํŠน์ง•

  • CSV / JSON / ๋กœ๊ทธ
  • ์ค‘๋ณต, null ์žˆ์–ด๋„ OK
  • append-only

ํ•œ ์ค„ ์š”์•ฝ

๐Ÿ‘‰ “์†๋Œ€์ง€ ์•Š์€ ์›๋ณธ ๊ธˆ๊ณ ”


๐Ÿฅˆ Silver (Clean / DW Core)

์—ญํ• 

  • ์‚ฌ๋žŒ์ด ์ดํ•ด ๊ฐ€๋Šฅํ•œ ๋ฐ์ดํ„ฐ๋กœ ์ •๋ฆฌ
  • DW์˜ ํ•ต์‹ฌ ์˜์—ญ

์ฃผ์š” ์ž‘์—…

  • ํƒ€์ž… ์บ์ŠคํŒ…
  • ์ปฌ๋Ÿผ๋ช… ์ •๋ฆฌ
  • null / ์ค‘๋ณต ์ฒ˜๋ฆฌ
  • ๊ธฐ๋ณธ ํ’ˆ์งˆ ๊ฒ€์ฆ (GE, dbt test)

ํ•œ ์ค„ ์š”์•ฝ

๐Ÿ‘‰ “์‹ ๋ขฐ ๊ฐ€๋Šฅํ•œ ํ‘œ์ค€ ๋ฐ์ดํ„ฐ”


๐Ÿฅ‡ Gold (Serve / DM)

์—ญํ• 

  • ๋ฐ”๋กœ ์จ๋จน๋Š” ๋ฐ์ดํ„ฐ
  • ๋ถ„์„, ๋Œ€์‹œ๋ณด๋“œ, KPI

ํŠน์ง•

  • Fact / Dimension
  • ์ง‘๊ณ„ ์™„๋ฃŒ
  • BI, ML ์ง๊ฒฐ

ํ•œ ์ค„ ์š”์•ฝ

๐Ÿ‘‰ “๋น„์ฆˆ๋‹ˆ์Šค ์งˆ๋ฌธ์— ๋ฐ”๋กœ ๋‹ต ๋‚˜์˜ค๋Š” ๋ฐ์ดํ„ฐ”


Medallion์€ ๋ญ๊ฐ€ ์•„๋‹ˆ๋ƒ?

โŒ ๋ชจ๋ธ๋ง ๊ธฐ๋ฒ• ์•„๋‹˜

โŒ ํŠน์ • ๋„๊ตฌ ์•„๋‹˜

๐Ÿ‘‰ **์šด์˜ ๊ตฌ์กฐ(ํŒจํ„ด)**์ž„

  • Kimball / Inmon → ์–ด๋–ป๊ฒŒ ๋ชจ๋ธ๋งํ• ๊นŒ
  • Medallion → ์–ด๋””๊นŒ์ง€ ์ •์ œ๋œ ๋ฐ์ดํ„ฐ์ธ๊ฐ€

์‹ค๋ฌด์—์„œ ์ œ์ผ ํ”ํ•œ ๋งคํ•‘

Bronze  : GCS / S3 raw, parquet
Silver  : dbt staging / intermediate
Gold    : dbt marts (fact / dim)

๐Ÿ‘‰ dbt๋Š” ๋ณดํ†ต Silver~Gold ๋‹ด๋‹น


์žฅ์  ํ•œ ๋ฐฉ์— ์ •๋ฆฌ

  • ๋ฌธ์ œ ์ƒ๊ธฐ๋ฉด ๋‹จ๊ณ„๋ณ„ ์ถ”์  ๊ฐ€๋Šฅ
  • ์žฌ์ฒ˜๋ฆฌ ์‰ฌ์›€
  • ์—ญํ•  ๋ถ„๋ฆฌ ๋ช…ํ™•
  • ํŒ€ ์ปค์ ธ๋„ ์•ˆ ๋ฌด๋„ˆ์ง

๋ฉด์ ‘์šฉ 20์ดˆ ๋‹ต๋ณ€ (์ด๊ฑฐ ์™ธ์›Œ๋„ ๋จ)

“Medallion Architecture๋Š” ๋ฐ์ดํ„ฐ๋ฅผ

Bronze–Silver–Gold ๋‹จ๊ณ„๋กœ ๋‚˜๋ˆ 

ํ’ˆ์งˆ๊ณผ ์ฑ…์ž„์„ ๋ถ„๋ฆฌํ•˜๋Š” ์šด์˜ ํŒจํ„ด์ž…๋‹ˆ๋‹ค.

Bronze๋Š” ์›๋ณธ ๋ณด์กด,

Silver๋Š” ์ •์ œ๋œ DW ์ฝ”์–ด,

Gold๋Š” ๋ถ„์„์šฉ ๋ฐ์ดํ„ฐ ๋งˆํŠธ ์—ญํ• ์„ ํ•ฉ๋‹ˆ๋‹ค.”


๋„ค๊ฐ€ ๋งŒ๋“  ๊ตฌ์กฐ๋ž‘ ์—ฐ๊ฒฐํ•˜๋ฉด

๐Ÿ‘‰ ๋„ค๊ฐ€ ํ•œ ๊ฒŒ ๋ฐ”๋กœ Medallion Architecture์˜ ์ •์„ ๊ตฌํ˜„

  • GCS raw → ๐Ÿฅ‰ Bronze
  • dbt staging → ๐Ÿฅˆ Silver
  • dbt marts → ๐Ÿฅ‡ Gold

๋งˆ์ง€๋ง‰ ํ•ต์‹ฌ ๋ฌธ์žฅ

๐Ÿ‘‰ Medallion Architecture =“๋ฐ์ดํ„ฐ ์‹ ๋ขฐ๋„๋ฅผ ๋‹จ๊ณ„๋กœ ๊ด€๋ฆฌํ•˜๋Š” ๋ฐฉ๋ฒ•”


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