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Springboot graceful shutdown ์ ์šฉํ•˜๊ธฐ


์„œ๋ฒ„์— ์„œ๋น„์Šค๋ฅผ ๋ฐ˜์˜ ํ• ๋•Œ ์„œ๋น„์Šค๋ฅผ ์ข…๋ฃŒ์ฒ˜๋ฆฌํ•ด์•ผํ•˜๋Š”๋ฐ ์ข…๋ฃŒ ์‹œ์ ์— ์ด๋ฏธ ์ธ์ž…๋œ ์š”์ฒญ๋“ค์„ ์ฒ˜๋ฆฌ ํ•˜๊ณ  ์ข…๋ฃŒ๋˜๋„๋ก graceful shutdown์„ ์ ์šฉํ•ด๋ณด์ž. (springboot 2.3 ์ด์ƒ๋ถ€ํ„ฐ graceful shutdown ์ง€์›)

 

application.yaml ์ถ”๊ฐ€

## springboot application.yaml ์ˆ˜์ •
## graceful shutdown์‹œ ์–ผ๋งŒํผ ๋Œ€๊ธฐํ•˜๋„๋ก ํ• ์ง€ ์…‹ํŒ…
spring:
  lifecycle:
    timeout-per-shutdown-phase: 10s
        
server:
  shutdown: graceful

์š”๊ธฐ ๊นŒ์ง€ ์…‹ํŒ…์„ ํ–ˆ์œผ๋ฉด graceful shutdown์ด ์ ์šฉ ๋œ๊ฑฐ๋‹ค.

ํ•˜์ง€๋งŒ ์„œ๋ฒ„์—์„œ killํ• ๋•Œ 

kill -9 pid ๋กœ ์ •์ง€์‹œํ‚ค๊ฒŒ ๋˜๋ฉด -9๊ฐ€ ๊ฐ•์ œ์ข…๋ฃŒ ์˜ต์…˜์ด๊ธฐ ๋•Œ๋ฌธ์— graceful shutdown์ด ์•ˆ๋œ๋‹ค.

kill -15 pid ๋กœ ์ •์ง€ํ•ด์„œ ์ž์‹ ์ด ํ•˜๋˜ ์ž‘์—…์„ ์™„๋ฃŒํ›„์— ์ข…๋ฃŒํ•˜๋„๋ก  kill -15 pid๋กœ ์ข…๋ฃŒ์‹œ์ผœ์•ผ graceful shutdonw์ด ๋™์ž‘ํ•ฉ๋‹ˆ๋‹ค.

 

kill -15 pid ๋กœ ์„œ๋น„์Šค ์ข…๋ฃŒ์‹œ ๋กœ๊ทธํ™•์ธํ•ด๋ณด๋ฉด graceful shutdown complete๋ฅผ ํ™•์ธํ•ด๋ณผ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

 

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์ด ํฌ์ŠคํŒ…์€ ์ฟ ํŒก ํŒŒํŠธ๋„ˆ์Šค ํ™œ๋™์˜ ์ผํ™˜์œผ๋กœ, ์ด์— ๋”ฐ๋ฅธ ์ผ์ •์•ก์˜ ์ˆ˜์ˆ˜๋ฃŒ๋ฅผ ์ œ๊ณต๋ฐ›์Šต๋‹ˆ๋‹ค.