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Redis

๋น ๋ฅธ ์˜คํ”ˆ ์†Œ์Šค ์ธ ๋ฉ”๋ชจ๋ฆฌ ํ‚ค ๊ฐ’ ๋ฐ์ดํ„ฐ ๊ตฌ์กฐ ์Šคํ† ์–ด

๋ณดํ†ต ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค๋Š” ํ•˜๋“œ ๋””์Šคํฌ๋‚˜ SSD์— ์ €์žฅํ•œ๋‹ค. ํ•˜์ง€๋งŒ Redis๋Š” ๋ฉ”๋ชจ๋ฆฌ(RAM)์— ์ €์žฅํ•ด์„œ ๋””์Šคํฌ ์Šค์บ๋‹์ด ํ•„์š”์—†์–ด ๋งค์šฐ ๋น ๋ฅธ ์žฅ์ ์ด ์กด์žฌํ•จ

์บ์‹ฑ๋„ ๊ฐ€๋Šฅํ•ด ์‹ค์‹œ๊ฐ„ ์ฑ„ํŒ…์— ์ ํ•ฉํ•˜๋ฉฐ ์„ธ์…˜ ๊ณต์œ ๋ฅผ ์œ„ํ•ด ์„ธ์…˜ ํด๋Ÿฌ์Šคํ„ฐ๋ง์—๋„ ํ™œ์šฉ๋œ๋‹ค.`

RAM์€ ํœ˜๋ฐœ์„ฑ ์•„๋‹Œ๊ฐ€์š”? ๊ป๋‹คํ‚ค๋ฉด ๋‹ค ๋‚ ์•„๊ฐ€๋Š”๋ฐ..

์ด๋ฅผ ๋ง‰๊ธฐ์œ„ํ•œ ๋ฐฑ์—… ๊ณผ์ •์ด ์กด์žฌํ•œ๋‹ค.

  • snapshot : ํŠน์ • ์ง€์ ์„ ์„ค์ •ํ•˜๊ณ  ๋””์Šคํฌ์— ๋ฐฑ์—…
  • AOF(Append Only File) : ๋ช…๋ น(์ฟผ๋ฆฌ)๋“ค์„ ์ €์žฅํ•ด๋‘๊ณ , ์„œ๋ฒ„๊ฐ€ ์…ง๋‹ค์šด๋˜๋ฉด ์žฌ์‹คํ–‰ํ•ด์„œ ๋‹ค์‹œ ๋งŒ๋“ค์–ด ๋†“๋Š” ๊ฒƒ

๋ฐ์ดํ„ฐ ๊ตฌ์กฐ๋Š” key/value ๊ฐ’์œผ๋กœ ์ด๋ฃจ์–ด์ ธ ์žˆ๋‹ค. (๋”ฐ๋ผ์„œ Redis๋Š” ๋น„์ •ํ˜• ๋ฐ์ดํ„ฐ๋ฅผ ์ €์žฅํ•˜๋Š” ๋น„๊ด€๊ณ„ํ˜• ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค ๊ด€๋ฆฌ ์‹œ์Šคํ…œ์ด๋‹ค)

value 5๊ฐ€์ง€
  1. String (text, binary data) - 512MB๊นŒ์ง€ ์ €์žฅ์ด ๊ฐ€๋Šฅํ•จ
  2. set (String ์ง‘ํ•ฉ)
  3. sorted set (set์„ ์ •๋ ฌํ•ด๋‘” ์ƒํƒœ)
  4. Hash
  5. List (์–‘๋ฐฉํ–ฅ ์—ฐ๊ฒฐ๋ฆฌ์ŠคํŠธ๋„ ๊ฐ€๋Šฅ)