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Springboot :: HikariCP Option ๊ณผ ์„ฑ๋Šฅ ์ตœ์ ํ™”. (Hikari ํŠœ๋‹) 1
2025.01.20
Springboot :: HikariCP ๋ž€?์ปค๋„ฅ์…˜ ํ’€(Connection Pooling)์„ ์ œ๊ณตํ•˜๋Š” JDBC Datasource์˜ ๊ตฌํ˜„์ฒด. ์‚ฌ์ „ ์ง€์‹JDBC(Java Database Connectivity)์ž๋ฐ”์—์„œ ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค์— ์ ‘์†ํ•  ์ˆ˜ ์žˆ๋„๋ก ํ•ด์ฃผ๋Š” ์ž๋ฐ” API.JDBC๋Š” ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค์—์„œ ์ž๋ฃŒ๋ฅผ ์ฟผ๋ฆฌbornatnoon.tistory.com ์šฐ์„  ๋“ค์–ด๊ฐ€๊ธฐ ์ „์— ์•ž์„œ HikariCP ๊ฐ€ ๋ญ”์ง€ ๊ฐœ๋…์„ ๋ชจ๋ฅด๊ฒ ๋‹ค๋ฉด.์œ„์˜ ๊ธ€์„ ์ฐธ์กฐํ•˜๋„๋ก ํ•˜์ž. HikariCP ์˜ต์…˜  GitHub - brettwooldridge/HikariCP: ๅ…‰ HikariCPใƒปA solid, high-performance, JDBC connection pool at last.ๅ…‰ HikariCPใƒปA solid, high-performanc..
๋„คํŠธ์›Œํฌ :: TCP SACK(Selective Acknowledgements) ์ด๋ž€? 1
2024.11.20
TCP ์†ก์‹  ์˜ต์…˜ ์ค‘ ํ•˜๋‚˜.* TCP SACK ์— ๋Œ€ํ•œ RFC๊ฐ€ ๋‚˜์˜จ ๊ฒƒ์ด RFC 2018๋กœ 1996๋…„๋„์ด๊ณ , RFC 2883์ด 2000๋…„๋„์— ๋‚˜์™”์œผ๋‹ˆ.. ์ง€๊ธˆ ์™ ๋งŒํ•œ ์‹œ์Šคํ…œ์—๋Š” ์ด ์˜ต์…˜์ด ์ ์šฉ๋˜์–ด ์žˆ์„ ๊ฒƒ์ด๊ณ , ์‚ฌ์šฉํ•˜๊ณ  ์žˆ์–ด์•ผ ํ•˜๋Š”๊ฒŒ ์˜ณ๋‹ค. ๊ทผ๋ฐ ํ™•์ธํ•ด๋ณด๋ฉด ์ด SACK ์˜ต์…˜์ด enable ๋˜์–ด ์žˆ๋Š” ๊ฒฝ์šฐ๋„ ๋งŽ์Œ. ํ™•์ธ์ด ํ•„์š”ํ•  ๋“ฏ.  TCP/IP ์—์„œ SACK ์˜ต์…˜์„ ์ฃผ์ง€ ์•Š์€ ๊ฒฝ์šฐ TCP/IP ์— ๋Œ€ํ•œ ๊ฐœ๋…์ด ๋ชจํ˜ธํ•˜๋‹ค๋ฉด ์•ž์„œ ์“ด TCP/IP ๊ธ€์„ ์ฝ๊ณ  ์˜ค๋„๋ก ํ•˜์ž. ์—ฌ๊ธฐ์„œ ๋“ค์—ˆ๋˜ ์˜ˆ์‹œ์™€ ์ด์–ด์ง€๊ฒŒ ์˜ˆ์‹œ๋ฅผ ๋“ค๋„๋ก ํ• ๊ฑฐ๋‹ˆ๊นŒ..  ๋„คํŠธ์›Œํฌ :: TCP/IP ๋ž€?์ธํ„ฐ๋„ท์—์„œ ์ปดํ“จํ„ฐ๋“ค์ด ์„œ๋กœ ์ •๋ณด๋ฅผ ์ฃผ๊ณ  ๋ฐ›๋Š”๋ฐ์— ์“ฐ์ด๋Š” ํ†ต์‹  ๊ทœ์•ฝ์ธ ์ธํ„ฐ๋„ท ํ”„๋กœํ† ์ฝœ ์˜ ๋ชจ์Œ(set) ์ค‘ ํ•˜๋‚˜์ด์ž ํ˜„์žฌ ๊ฐ€์žฅ ๋งŽ์ด ์‚ฌ์šฉํ•˜๊ณ  ์žˆ๋Š” ์ธํ„ฐ..