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add Redis
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kim6394 committed Jul 31, 2019
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24 changes: 24 additions & 0 deletions Database/Redis.md
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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)
2 changes: 1 addition & 1 deletion README.md
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- [์ฟ ํ‚ค(Cookie) & ์„ธ์…˜(Session)](<https://github.com/kim6394/Dev_BasicKnowledge/blob/master/Web/Cookie%20%26%20Session.md>)
- [์›น ์„œ๋ฒ„์™€ WAS์˜ ์ฐจ์ด์ ](<https://github.com/kim6394/Dev_BasicKnowledge/blob/master/Concept/Web%20Server%EC%99%80%20WAS%EC%9D%98%20%EC%B0%A8%EC%9D%B4.md>)
- [OAuth](<https://github.com/kim6394/Dev_BasicKnowledge/blob/master/Web/OAuth.md>)
- [PWA(Progressive Web App)]()
- [PWA(Progressive Web App)](https://github.com/kim6394/Dev_BasicKnowledge/blob/master/Web/PWA%20(Progressive%20Web%20App).md)
- Vue.js
- [Vue.js ๋ผ์ดํ”„์‚ฌ์ดํด](<https://github.com/kim6394/Dev_BasicKnowledge/blob/master/Web/Vue.js%20%EB%9D%BC%EC%9D%B4%ED%94%84%EC%82%AC%EC%9D%B4%ED%81%B4%20%EC%9D%B4%ED%95%B4%ED%95%98%EA%B8%B0.md>)
- [Vue CLI + Spring Boot ์—ฐ๋™ํ•˜์—ฌ ํ™˜๊ฒฝ ๊ตฌ์ถ•ํ•˜๊ธฐ](<https://github.com/kim6394/Dev_BasicKnowledge/blob/master/Web/Vue%20CLI%20%2B%20Spring%20Boot%20%EC%97%B0%EB%8F%99%ED%95%98%EC%97%AC%20%ED%99%98%EA%B2%BD%20%EA%B5%AC%EC%B6%95%ED%95%98%EA%B8%B0.md>)
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