{"id":2649,"date":"2026-10-24T08:45:53","date_gmt":"2026-10-24T08:45:53","guid":{"rendered":"https:\/\/wayhope.kro.kr\/?p=2649"},"modified":"2026-10-24T08:45:53","modified_gmt":"2026-10-24T08:45:53","slug":"%ec%84%9c%eb%b2%84-%ec%95%88%ec%a0%95%ec%84%b1-%ed%83%80%ec%9e%84%ec%95%84%ec%9b%83-%ec%9e%ac%ec%8b%9c%eb%8f%84-connection-pool-graceful-shutdown","status":"publish","type":"post","link":"https:\/\/wayhope.kro.kr\/?p=2649","title":{"rendered":"\uc11c\ubc84 \uc548\uc815\uc131 (\ud0c0\uc784\uc544\uc6c3, \uc7ac\uc2dc\ub3c4, Connection Pool, Graceful Shutdown)"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\uc11c\ubc84 \uc548\uc815\uc131(Server Reliability)\uc774\ub780 \uc608\uc0c1\uce58 \ubabb\ud55c \uc624\ub958, \ub124\ud2b8\uc6cc\ud06c \uc7a5\uc560, \uc678\ubd80 \uc11c\ube44\uc2a4 \uc9c0\uc5f0, \ud504\ub85c\uc138\uc2a4 \uc885\ub8cc \ub4f1\uc758 \uc0c1\ud669\uc5d0\uc11c\ub3c4 \uc2dc\uc2a4\ud15c\uc774 \uc815\uc0c1\uc801\uc778 \uc0c1\ud0dc\ub97c \uc720\uc9c0\ud558\uac70\ub098 \uc548\uc804\ud558\uac8c \ubcf5\uad6c\ud560 \uc218 \uc788\ub294 \ub2a5\ub825\uc744 \uc758\ubbf8\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc11c\ubc84\ub294 \ub2e8\uc21c\ud788 \uc694\uccad\uc744 \uc815\uc0c1\uc801\uc73c\ub85c \ucc98\ub9ac\ud558\ub294 \uac83\ub9cc\uc73c\ub85c \ucda9\ubd84\ud558\uc9c0 \uc54a\ub2e4. \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc751\ub2f5\uc774 \uc9c0\uc5f0\ub418\uac70\ub098 \uc678\ubd80 API\uac00 \uc751\ub2f5\ud558\uc9c0 \uc54a\ub294 \uc0c1\ud669, \uac11\uc791\uc2a4\ub7ec\uc6b4 \uc885\ub8cc \uc2e0\ud638\uac00 \uc804\ub2ec\ub418\ub294 \uc0c1\ud669\uc5d0\uc11c\ub3c4 \ub9ac\uc18c\uc2a4\ub97c \uc801\uc808\ud788 \uad00\ub9ac\ud558\uace0 \ub370\uc774\ud130\uc758 \uc77c\uad00\uc131\uc744 \uc720\uc9c0\ud574\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud2b9\ud788 \uc2e4\uc2dc\uac04 \uac8c\uc784 \uc11c\ubc84\uc5d0\uc11c\ub294 \uc5f0\uacb0\ub41c \ud074\ub77c\uc774\uc5b8\ud2b8, \uc9c4\ud589 \uc911\uc778 \uac8c\uc784 \uc138\uc158, \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc5f0\uacb0, Redis \uce90\uc2dc \ub4f1\uc744 \ud568\uaed8 \uad00\ub9ac\ud574\uc57c \ud55c\ub2e4. \ub530\ub77c\uc11c \uc11c\ubc84 \uc548\uc815\uc131\uc740 \uac1c\ubcc4 \uae30\ub2a5\uc758 \uad6c\ud604\ubcf4\ub2e4 \uc7a5\uc560\uac00 \ubc1c\uc0dd\ud588\uc744 \ub54c \uc2dc\uc2a4\ud15c\uc774 \uc5b4\ub5bb\uac8c \ub3d9\uc791\ud558\ub294\uc9c0\ub97c \uc124\uacc4\ud558\ub294 \ubb38\uc81c\uc5d0 \uac00\uae5d\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uae00\uc5d0\uc11c\ub294 \uc11c\ubc84 \uc548\uc815\uc131\uc744 \uad6c\uc131\ud558\ub294 \ud575\uc2ec \uc694\uc18c\uc778 \ud0c0\uc784\uc544\uc6c3\uacfc \uc7ac\uc2dc\ub3c4, Connection Pool, Graceful Shutdown, \uc2dc\uadf8\ub110 \ucc98\ub9ac\uc640 \ub9ac\uc18c\uc2a4 \uc815\ub9ac\ub97c \uc0b4\ud3b4\ubcf8\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud0c0\uc784\uc544\uc6c3(Timeout)<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\ud0c0\uc784\uc544\uc6c3\uc774\ub780?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud0c0\uc784\uc544\uc6c3\uc740 \ud2b9\uc815 \uc791\uc5c5\uc774 \uc815\ud574\uc9c4 \uc2dc\uac04 \uc548\uc5d0 \uc644\ub8cc\ub418\uc9c0 \uc54a\uc73c\uba74 \ud574\ub2f9 \uc791\uc5c5\uc744 \uc911\ub2e8\ud558\uac70\ub098 \uc2e4\ud328\ub85c \ucc98\ub9ac\ud558\ub294 \uc815\ucc45\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub124\ud2b8\uc6cc\ud06c \uc694\uccad\uc774\ub098 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ucffc\ub9ac\uac00 \uc5b8\uc81c\ub098 \uc815\uc0c1\uc801\uc73c\ub85c \uc644\ub8cc\ub41c\ub2e4\ub294 \ubcf4\uc7a5\uc740 \uc5c6\ub2e4. \uc678\ubd80 \uc11c\ubc84\uac00 \uc751\ub2f5\ud558\uc9c0 \uc54a\uac70\ub098 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0 \uacfc\ubd80\ud558\uac00 \ubc1c\uc0dd\ud558\uba74 \uc694\uccad\uc774 \uc624\ub7ab\ub3d9\uc548 \ub300\uae30\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud0c0\uc784\uc544\uc6c3\uc774 \uc5c6\ub2e4\uba74 \uc774\ub7ec\ud55c \uc694\uccad\uc774 \uacc4\uc18d\ud574\uc11c \ub9ac\uc18c\uc2a4\ub97c \uc810\uc720\ud560 \uc218 \uc788\ub2e4. \uc694\uccad\uc744 \ucc98\ub9ac\ud558\ub294 \ub370 \ud544\uc694\ud55c \uba54\ubaa8\ub9ac, \uc5f0\uacb0, \uc791\uc5c5 \uc2ac\ub86f\uc774 \uc18c\ubaa8\ub418\uba74 \uc0c8\ub85c\uc6b4 \uc694\uccad\uae4c\uc9c0 \ucc98\ub9ac\ud558\uc9c0 \ubabb\ud558\ub294 \uc0c1\ud669\uc73c\ub85c \uc774\uc5b4\uc9c4\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4 \uac8c\uc784 \uc11c\ubc84\uac00 \uacb0\uc81c \uac80\uc99d API\ub97c \ud638\ucd9c\ud588\ub294\ub370 \uc678\ubd80 \uc11c\ubc84\uac00 \uc751\ub2f5\ud558\uc9c0 \uc54a\ub294\ub2e4\uace0 \uac00\uc815\ud558\uc790.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ud0c0\uc784\uc544\uc6c3\uc774 \uc5c6\ub2e4\uba74 \uc751\ub2f5\uc744 \uae30\ub2e4\ub9ac\ub294 \uc694\uccad\uc774 \uacc4\uc18d \ub204\uc801\ub420 \uc218 \uc788\ub2e4.<\/li>\n\n\n\n<li>\ud0c0\uc784\uc544\uc6c3\uc774 \uc788\ub2e4\uba74 \uc9c0\uc815\ub41c \uc2dc\uac04 \uc774\ud6c4 \uc694\uccad\uc744 \uc2e4\ud328\ub85c \ucc98\ub9ac\ud558\uace0 \ud6c4\uc18d \uc815\ucc45\uc744 \uc2e4\ud589\ud560 \uc218 \uc788\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud0c0\uc784\uc544\uc6c3\uc740 \ub2e8\uc21c\ud788 \uae30\ub2e4\ub9ac\ub294 \uc2dc\uac04\uc744 \uc81c\ud55c\ud558\ub294 \uae30\ub2a5\uc774 \uc544\ub2c8\ub2e4. <strong>\uc694\uccad \ud558\ub098\uac00 \uc2dc\uc2a4\ud15c\uc758 \uc790\uc6d0\uc744 \ubb34\ud55c\uc815 \uc810\uc720\ud558\uc9c0 \ubabb\ud558\uac8c \ud558\ub294 \uc548\uc815\uc131 \uc815\ucc45<\/strong>\uc774\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ud0c0\uc784\uc544\uc6c3\uc758 \uc885\ub958<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>\uc885\ub958<\/th><th>\uc124\uba85<\/th><\/tr><tr><td>Connection Timeout<\/td><td>\uc11c\ubc84 \ub610\ub294 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc640 \uc5f0\uacb0\uc744 \uc218\ub9bd\ud558\ub294 \ucd5c\ub300 \ub300\uae30 \uc2dc\uac04<\/td><\/tr><tr><td>Request Timeout<\/td><td>\uc694\uccad \uc804\uccb4\uac00 \uc644\ub8cc\ub420 \ub54c\uae4c\uc9c0 \ud5c8\uc6a9\ud558\ub294 \ucd5c\ub300 \uc2dc\uac04<\/td><\/tr><tr><td>Read Timeout<\/td><td>\uc751\ub2f5 \ub370\uc774\ud130\ub97c \uc77d\ub294 \ub3d9\uc548 \ud5c8\uc6a9\ud558\ub294 \ub300\uae30 \uc2dc\uac04<\/td><\/tr><tr><td>Write Timeout<\/td><td>\ub370\uc774\ud130\ub97c \uc804\uc1a1\ud558\ub294 \ub3d9\uc548 \ud5c8\uc6a9\ud558\ub294 \ub300\uae30 \uc2dc\uac04<\/td><\/tr><tr><td>Idle Timeout<\/td><td>\uc77c\uc815 \uc2dc\uac04 \ub3d9\uc548 \uc0ac\uc6a9\ud558\uc9c0 \uc54a\uc740 \uc5f0\uacb0\uc744 \uc720\uc9c0\ud558\ub294 \ucd5c\ub300 \uc2dc\uac04<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uac01 \ud0c0\uc784\uc544\uc6c3\uc740 \uc11c\ub85c \ub2e4\ub978 \uc0c1\ud669\uc744 \uc81c\uc5b4\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4 Connection Timeout\uc740 \uc5f0\uacb0 \uc790\uccb4\uac00 \uc131\ub9bd\ud558\uc9c0 \uc54a\ub294 \ubb38\uc81c\ub97c \uc81c\ud55c\ud558\uc9c0\ub9cc, \uc5f0\uacb0\uc5d0 \uc131\uacf5\ud55c \ub4a4 \uc751\ub2f5\uc774 \uc624\uc9c0 \uc54a\ub294 \ubb38\uc81c\uae4c\uc9c0 \ud574\uacb0\ud558\uc9c0\ub294 \ubabb\ud55c\ub2e4. \ub530\ub77c\uc11c \uc678\ubd80 API\ub098 \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub97c \ud638\ucd9c\ud560 \ub54c\ub294 \uc791\uc5c5\uc758 \ud2b9\uc131\uc5d0 \ub9de\uac8c \uc5ec\ub7ec \ud0c0\uc784\uc544\uc6c3\uc744 \uc124\uc815\ud574\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Node.js\uc5d0\uc11c \ud0c0\uc784\uc544\uc6c3 \uad6c\ud604\ud558\uae30<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e4\uc74c\uc740 <code>fetch<\/code>\uc640 <code>AbortSignal.timeout()<\/code>\uc744 \uc774\uc6a9\ud55c \uc678\ubd80 API \uc694\uccad \uc608\uc2dc\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>async function requestExternalApi() {\n  try {\n    const response = await fetch(\n      \"https:\/\/api.example.com\/data\",\n      {\n        signal: AbortSignal.timeout(3000),\n      }\n    );\n\n    if (!response.ok) {\n      throw new Error(\n        `HTTP Error: ${response.status}`\n      );\n    }\n\n    return await response.json();\n  } catch (error) {\n    if (error.name === \"TimeoutError\") {\n      console.error(\"API \uc694\uccad \uc2dc\uac04 \ucd08\uacfc\");\n    } else {\n      console.error(\"API \uc694\uccad \uc2e4\ud328\", error);\n    }\n\n    throw error;\n  }\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc704 \ucf54\ub4dc\ub294 \uc694\uccad\uc774 \uc81c\ud55c \uc2dc\uac04 \uc548\uc5d0 \uc644\ub8cc\ub418\uc9c0 \uc54a\uc73c\uba74 \ud0c0\uc784\uc544\uc6c3 \uc624\ub958\ub97c \ubc1c\uc0dd\uc2dc\ud0a8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e4\ub9cc \ud0c0\uc784\uc544\uc6c3\uc740 \ud074\ub77c\uc774\uc5b8\ud2b8\uac00 \uc751\ub2f5\uc744 \uae30\ub2e4\ub9ac\ub294 \uc2dc\uac04\uc744 \uc81c\ud55c\ud558\ub294 \uac83\uc774\uc9c0, \uc678\ubd80 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc774\ubbf8 \uc2e4\ud589\ub41c \uc791\uc5c5\uae4c\uc9c0 \ubc18\ub4dc\uc2dc \ucde8\uc18c\ud55c\ub2e4\ub294 \uc758\ubbf8\ub294 \uc544\ub2c8\ub2e4. \ud2b9\ud788 \uacb0\uc81c\ub098 \ub370\uc774\ud130 \ubcc0\uacbd \uc694\uccad\uc740 \ud0c0\uc784\uc544\uc6c3 \uc774\ud6c4\uc5d0\ub3c4 \uc2e4\uc81c \ucc98\ub9ac\uac00 \uc644\ub8cc\ub418\uc5c8\uc744 \uac00\ub2a5\uc131\uc744 \uace0\ub824\ud574\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\uc7ac\uc2dc\ub3c4(Retry)<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\uc7ac\uc2dc\ub3c4\ub780?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc7ac\uc2dc\ub3c4\ub294 \uc77c\uc2dc\uc801\uc778 \uc624\ub958\ub85c \uc791\uc5c5\uc774 \uc2e4\ud328\ud588\uc744 \ub54c \ub3d9\uc77c\ud55c \uc791\uc5c5\uc744 \ub2e4\uc2dc \uc2e4\ud589\ud558\ub294 \uc804\ub7b5\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub124\ud2b8\uc6cc\ud06c \ud1b5\uc2e0\uc5d0\uc11c\ub294 \uc21c\uac04\uc801\uc778 \uc5f0\uacb0 \uc7a5\uc560\ub098 \uc77c\uc2dc\uc801\uc778 \uc11c\ubc84 \uacfc\ubd80\ud558\uac00 \ubc1c\uc0dd\ud560 \uc218 \uc788\ub2e4. \uc774\ub7ec\ud55c \uc624\ub958\ub294 \uc2dc\uac04\uc774 \uc870\uae08 \uc9c0\ub09c \ub4a4 \ub2e4\uc2dc \uc694\uccad\ud558\uba74 \uc815\uc0c1\uc801\uc73c\ub85c \ucc98\ub9ac\ub420 \uac00\ub2a5\uc131\uc774 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud558\uc9c0\ub9cc \ubaa8\ub4e0 \uc624\ub958\ub97c \uc7ac\uc2dc\ub3c4\ud558\ub294 \uac83\uc740 \uc62c\ubc14\ub978 \ubc29\ubc95\uc774 \uc544\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4 \ub2e4\uc74c\uacfc \uac19\uc774 \uad6c\ubd84\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc77c\uc2dc\uc801\uc778 \ub124\ud2b8\uc6cc\ud06c \uc624\ub958: \uc7ac\uc2dc\ub3c4\ub97c \uace0\ub824\ud560 \uc218 \uc788\ub2e4.<\/li>\n\n\n\n<li>HTTP 429 Too Many Requests: \uc11c\ubc84\uac00 \ud5c8\uc6a9\ud558\ub294 \uc815\ucc45\uc5d0 \ub530\ub77c \uc7ac\uc2dc\ub3c4\ud560 \uc218 \uc788\ub2e4.<\/li>\n\n\n\n<li>HTTP 503 Service Unavailable: \uc77c\uc2dc\uc801\uc778 \uc7a5\uc560\ub77c\uba74 \uc7ac\uc2dc\ub3c4\ud560 \uc218 \uc788\ub2e4.<\/li>\n\n\n\n<li>HTTP 400 Bad Request: \uc694\uccad \uc790\uccb4\uac00 \uc798\ubabb\ub418\uc5c8\ub2e4\uba74 \uc77c\ubc18\uc801\uc73c\ub85c \uc7ac\uc2dc\ub3c4\ud560 \ud544\uc694\uac00 \uc5c6\ub2e4.<\/li>\n\n\n\n<li>\uad8c\ud55c \ubd80\uc871\uc774\ub098 \uc798\ubabb\ub41c \uc778\uc99d \uc815\ubcf4: \uc6d0\uc778\uc744 \ud574\uacb0\ud558\uc9c0 \uc54a\ub294 \ud55c \uc7ac\uc2dc\ub3c4\ud574\ub3c4 \uc2e4\ud328\ud55c\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc7ac\uc2dc\ub3c4\ub294 \uc2e4\ud328\ub97c \ubb34\uc870\uac74 \ubc18\ubcf5\ud558\ub294 \uae30\ub2a5\uc774 \uc544\ub2c8\ub77c, <strong>\ubcf5\uad6c \uac00\ub2a5\ud55c \uc2e4\ud328\ub97c \uc81c\ud55c\ub41c \ube44\uc6a9\uc73c\ub85c \ub2e4\uc2dc \uc2dc\ub3c4\ud558\ub294 \uc815\ucc45<\/strong>\uc774\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc7ac\uc2dc\ub3c4 \ud69f\uc218 \uc81c\ud55c<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc7ac\uc2dc\ub3c4 \ud69f\uc218\ub97c \uc81c\ud55c\ud558\uc9c0 \uc54a\uc73c\uba74 \uc7a5\uc560\uac00 \ubc1c\uc0dd\ud55c \uc11c\ube44\uc2a4\uc5d0 \uc694\uccad\uc774 \uacc4\uc18d \uc720\uc785\ub420 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4 \ucd08\ub2f9 1,000\uac1c\uc758 \uc694\uccad\uc744 \ucc98\ub9ac\ud558\ub294 \uc11c\ubc84\uc5d0\uc11c \ubaa8\ub4e0 \uc694\uccad\uc774 \uc138 \ubc88\uc529 \uc7ac\uc2dc\ub3c4\ub41c\ub2e4\uba74, \ucd5c\uc545\uc758 \uacbd\uc6b0 \uc6d0\ub798 \uc694\uccad\ub7c9\ubcf4\ub2e4 \ud6e8\uc52c \ub9ce\uc740 \uc791\uc5c5\uc774 \ubc1c\uc0dd\ud55c\ub2e4. \uc7a5\uc560\uac00 \ubc1c\uc0dd\ud55c \uc2dc\uc2a4\ud15c\uc758 \ubd80\ud558\ub97c \ub354\uc6b1 \uc99d\uac00\uc2dc\ud0a4\ub294 \uac83\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub530\ub77c\uc11c \ub2e4\uc74c\uacfc \uac19\uc740 \uc815\ucc45\uc774 \ud544\uc694\ud558\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ucd5c\ub300 \uc7ac\uc2dc\ub3c4 \ud69f\uc218\ub97c \uc124\uc815\ud55c\ub2e4.<\/li>\n\n\n\n<li>\uc7ac\uc2dc\ub3c4 \uac00\ub2a5\ud55c \uc624\ub958\ub9cc \ub300\uc0c1\uc73c\ub85c \ud55c\ub2e4.<\/li>\n\n\n\n<li>\uc7ac\uc2dc\ub3c4 \uc0ac\uc774\uc5d0 \ub300\uae30 \uc2dc\uac04\uc744 \ub454\ub2e4.<\/li>\n\n\n\n<li>\uc804\uccb4 \uc694\uccad\uc5d0 \ub300\ud55c \uc81c\ud55c \uc2dc\uac04\ub3c4 \ud568\uaed8 \uad00\ub9ac\ud55c\ub2e4.<\/li>\n\n\n\n<li>\uc7ac\uc2dc\ub3c4\uac00 \uc2e4\ud328\ud558\uba74 \uc624\ub958\ub97c \uc0c1\uc704 \uacc4\uce35\uc73c\ub85c \uc804\ub2ec\ud55c\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Exponential Backoff<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Exponential Backoff\ub294 \uc7ac\uc2dc\ub3c4\ud560 \ub54c\ub9c8\ub2e4 \ub300\uae30 \uc2dc\uac04\uc744 \uae30\ud558\uae09\uc218\uc801\uc73c\ub85c \uc99d\uac00\uc2dc\ud0a4\ub294 \ubc29\uc2dd\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4 \ucd08\uae30 \ub300\uae30 \uc2dc\uac04\uc774 200ms\ub77c\uba74 \ub2e4\uc74c\uacfc \uac19\uc774 \uc99d\uac00\uc2dc\ud0ac \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>\uc7ac\uc2dc\ub3c4 \ud69f\uc218<\/th><th>\ub300\uae30 \uc2dc\uac04<\/th><\/tr><tr><td>1\ud68c<\/td><td>200ms<\/td><\/tr><tr><td>2\ud68c<\/td><td>400ms<\/td><\/tr><tr><td>3\ud68c<\/td><td>800ms<\/td><\/tr><tr><td>4\ud68c<\/td><td>1,600ms<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub97c \ud1b5\ud574 \uc7a5\uc560\uac00 \ubc1c\uc0dd\ud55c \uc11c\ube44\uc2a4\uc5d0 \uc694\uccad\uc774 \uc9e7\uc740 \uac04\uaca9\uc73c\ub85c \ubab0\ub9ac\ub294 \ud604\uc0c1\uc744 \uc904\uc77c \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2e4\uc81c \uc6b4\uc601 \ud658\uacbd\uc5d0\uc11c\ub294 \uc5ec\ub7ec \ud074\ub77c\uc774\uc5b8\ud2b8\uac00 \ub3d9\uc2dc\uc5d0 \uc7ac\uc2dc\ub3c4\ud558\ub294 \ubb38\uc81c\ub97c \uc644\ud654\ud558\uae30 \uc704\ud574 \ub300\uae30 \uc2dc\uac04\uc5d0 \ubb34\uc791\uc704 \uc9c0\uc5f0\uc744 \ucd94\uac00\ud558\ub294 Jitter \uae30\ubc95\ub3c4 \uc0ac\uc6a9\ud55c\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Node.js \uc7ac\uc2dc\ub3c4 \uad6c\ud604<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>const sleep = (ms) =&gt;\n  new Promise((resolve) =&gt; setTimeout(resolve, ms));\n\nasync function retry(\n  operation,\n  {\n    maxRetries = 3,\n    initialDelay = 200,\n  } = {}\n) {\n  let lastError;\n\n  for (let attempt = 0; attempt &lt;= maxRetries; attempt++) {\n    try {\n      return await operation();\n    } catch (error) {\n      lastError = error;\n\n      if (attempt === maxRetries) {\n        break;\n      }\n\n      \/\/ \uc2e4\uc81c \uc11c\ube44\uc2a4\uc5d0\uc11c\ub294 \uc624\ub958 \uc720\ud615\uc5d0 \ub530\ub77c\n      \/\/ \uc7ac\uc2dc\ub3c4 \uac00\ub2a5 \uc5ec\ubd80\ub97c \uba3c\uc800 \ud310\ub2e8\ud574\uc57c \ud55c\ub2e4.\n      const delay =\n        initialDelay * 2 ** attempt;\n\n      await sleep(delay);\n    }\n  }\n\n  throw lastError;\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc0ac\uc6a9 \uc608\uc2dc\ub294 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>const result = await retry(\n  () =&gt; requestExternalApi(),\n  {\n    maxRetries: 3,\n    initialDelay: 200,\n  }\n);<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \ucf54\ub4dc\ub294 \ucd5c\ucd08 \uc2e4\ud589\uc744 \ud3ec\ud568\ud574 \ucd5c\ub300 \ub124 \ubc88 \uc791\uc5c5\uc744 \uc2dc\ub3c4\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e4\ub9cc \uc608\uc2dc \uad6c\ud604\uc5d0\ub294 \uc7ac\uc2dc\ub3c4 \uac00\ub2a5\ud55c \uc624\ub958 \ud310\ubcc4, Jitter, \uc804\uccb4 \uc791\uc5c5 \uc2dc\uac04 \uc81c\ud55c\uc774 \ud3ec\ud568\ub418\uc5b4 \uc788\uc9c0 \uc54a\ub2e4. \uc2e4\uc81c \uc6b4\uc601 \ucf54\ub4dc\uc5d0\uc11c\ub294 \uc774\ub7ec\ud55c \uc815\ucc45\uc744 \ucd94\uac00\ud574\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub610\ud55c \uc7ac\uc2dc\ub3c4\ub294 \uc791\uc5c5\uc758 \uc911\ubcf5 \uc2e4\ud589\uc744 \uc720\ubc1c\ud560 \uc218 \uc788\ub2e4. \uacb0\uc81c \uc694\uccad\uc774\ub098 \uc7ac\ud654 \uc9c0\uae09\ucc98\ub7fc \uc911\ubcf5 \uc2e4\ud589\uc774 \uce58\uba85\uc801\uc778 \uc791\uc5c5\uc740 \uba71\ub4f1\uc131 \ud0a4(Idempotency Key)\ub098 \ud2b8\ub79c\uc7ad\uc158 \ub4f1\uc758 \ubcf4\ud638 \uc7a5\uce58 \uc5c6\uc774 \ubb34\uc870\uac74 \uc7ac\uc2dc\ub3c4\ud574\uc11c\ub294 \uc548 \ub41c\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Connection Pool<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Connection Pool\uc774\ub780?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Connection Pool\uc740 \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub098 \uc678\ubd80 \uc11c\ube44\uc2a4\uc5d0 \uc0ac\uc6a9\ud560 \uc5f0\uacb0\uc744 \ubbf8\ub9ac \uc0dd\uc131\ud558\uace0 \uad00\ub9ac\ud558\ub294 \uad6c\uc870\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc5f0\uacb0\uc744 \uc694\uccad\ud560 \ub54c\ub9c8\ub2e4 \uc0c8 \uc5f0\uacb0\uc744 \uc0dd\uc131\ud558\uba74 \uc5f0\uacb0 \uc218\ub9bd\uc5d0 \ub530\ub978 \ub124\ud2b8\uc6cc\ud06c \ud1b5\uc2e0\uacfc \uc778\uc99d \ub4f1\uc758 \ube44\uc6a9\uc774 \ubc18\ubcf5\uc801\uc73c\ub85c \ubc1c\uc0dd\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubc18\uba74 Connection Pool\uc740 \uc0dd\uc131\ub41c \uc5f0\uacb0\uc744 \uc7ac\uc0ac\uc6a9\ud55c\ub2e4. \uc694\uccad\uc774 \uc5f0\uacb0\uc744 \ud544\uc694\ub85c \ud558\uba74 \ud480\uc5d0\uc11c \uc0ac\uc6a9 \uac00\ub2a5\ud55c \uc5f0\uacb0\uc744 \ube4c\ub9ac\uace0, \uc791\uc5c5\uc774 \ub05d\ub098\uba74 \ub2e4\uc2dc \ubc18\ud658\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubc18\uc801\uc778 \ud750\ub984\uc740 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>\uc11c\ubc84\uac00 \uc2dc\uc791\ub420 \ub54c \uc5f0\uacb0 \ud480\uc744 \uc0dd\uc131\ud55c\ub2e4.<\/li>\n\n\n\n<li>\uc694\uccad\uc774 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc791\uc5c5\uc744 \uc694\uad6c\ud55c\ub2e4.<\/li>\n\n\n\n<li>\ud480\uc5d0\uc11c \uc0ac\uc6a9 \uac00\ub2a5\ud55c \uc5f0\uacb0\uc744 \ud68d\ub4dd\ud55c\ub2e4.<\/li>\n\n\n\n<li>SQL \ucffc\ub9ac\ub97c \uc2e4\ud589\ud55c\ub2e4.<\/li>\n\n\n\n<li>\uc791\uc5c5\uc774 \ub05d\ub098\uba74 \uc5f0\uacb0\uc744 \ud480\uc5d0 \ubc18\ud658\ud55c\ub2e4.<\/li>\n\n\n\n<li>\ub2e4\uc74c \uc694\uccad\uc774 \ud574\ub2f9 \uc5f0\uacb0\uc744 \uc7ac\uc0ac\uc6a9\ud55c\ub2e4.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Connection Pool\uc740 \uc5f0\uacb0 \uc0dd\uc131 \ube44\uc6a9\uc744 \uc904\uc774\uace0 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0 \ub3d9\uc2dc\uc5d0 \uc811\uadfc\ud558\ub294 \uc5f0\uacb0 \uc218\ub97c \uc81c\uc5b4\ud55c\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Connection Pool\uc774 \ud544\uc694\ud55c \uc774\uc720<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc5f0\uacb0 \uc0dd\uc131 \ube44\uc6a9 \uc808\uac10<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub9e4\ubc88 \uc5f0\uacb0\uc744 \uc0dd\uc131\ud558\ub294 \ub300\uc2e0 \uae30\uc874 \uc5f0\uacb0\uc744 \uc7ac\uc0ac\uc6a9\ud558\ubbc0\ub85c \uc5f0\uacb0 \uc218\ub9bd\uc5d0 \ud544\uc694\ud55c \ube44\uc6a9\uc744 \uc904\uc77c \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ub370\uc774\ud130\ubca0\uc774\uc2a4 \ubd80\ud558 \uc81c\ud55c<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud480\uc758 \ucd5c\ub300 \uc5f0\uacb0 \uc218\ub97c \uc124\uc815\ud558\uba74 \ud558\ub098\uc758 \uc11c\ubc84 \uc778\uc2a4\ud134\uc2a4\uac00 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0 \uc0dd\uc131\ud558\ub294 \uc5f0\uacb0 \uc218\ub97c \uc81c\ud55c\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ub3d9\uc2dc\uc131 \uc81c\uc5b4<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubaa8\ub4e0 \uc5f0\uacb0\uc774 \uc0ac\uc6a9 \uc911\uc774\ub77c\uba74 \uc0c8\ub85c\uc6b4 \uc791\uc5c5\uc740 \uc5f0\uacb0\uc774 \ubc18\ud658\ub420 \ub54c\uae4c\uc9c0 \ub300\uae30\ud560 \uc218 \uc788\ub2e4. \uc774\ub97c \ud1b5\ud574 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uac00 \uac10\ub2f9\ud560 \uc218 \uc788\ub294 \uc218\uc900\uc73c\ub85c \ub3d9\uc2dc \uc811\uadfc\uc744 \uc81c\ud55c\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud558\uc9c0\ub9cc Connection Pool\uc774 \uc788\ub2e4\uace0 \ud574\uc11c \uc694\uccad\uc774 \ubb34\ud55c\ud788 \ub300\uae30\ud574\ub3c4 \ub418\ub294 \uac83\uc740 \uc544\ub2c8\ub2e4. \uc5f0\uacb0\uc744 \ud68d\ub4dd\ud558\uae30 \uc704\ud55c \ub300\uae30 \uc2dc\uac04\uc5d0\ub3c4 \uc81c\ud55c\uc774 \ud544\uc694\ud558\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Node.js\uc640 MySQL Connection Pool<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>mysql2<\/code> \ud328\ud0a4\uc9c0\ub97c \uc0ac\uc6a9\ud55c \uc608\uc2dc\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import mysql from \"mysql2\/promise\";\n\nconst pool = mysql.createPool({\n  host: process.env.DB_HOST,\n  user: process.env.DB_USER,\n  password: process.env.DB_PASSWORD,\n  database: process.env.DB_NAME,\n\n  waitForConnections: true,\n  connectionLimit: 10,\n  queueLimit: 100,\n});\n\nexport async function findUser(userId) {\n  const &#91;rows] = await pool.execute(\n    \"SELECT id, nickname FROM users WHERE id = ?\",\n    &#91;userId]\n  );\n\n  return rows&#91;0] ?? null;\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5ec\uae30\uc11c \uc8fc\uc694 \uc124\uc815\uc740 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>\uc124\uc815<\/th><th>\uc758\ubbf8<\/th><\/tr><tr><td><code>waitForConnections<\/code><\/td><td>\uc0ac\uc6a9 \uac00\ub2a5\ud55c \uc5f0\uacb0\uc774 \uc5c6\uc744 \ub54c \ub300\uae30\ud560\uc9c0 \uc5ec\ubd80<\/td><\/tr><tr><td><code>connectionLimit<\/code><\/td><td>\ud574\ub2f9 \ud480\uc5d0\uc11c \uc720\uc9c0\ud560 \uc218 \uc788\ub294 \ucd5c\ub300 \uc5f0\uacb0 \uc218<\/td><\/tr><tr><td><code>queueLimit<\/code><\/td><td>\uc5f0\uacb0\uc744 \uae30\ub2e4\ub9ac\ub294 \uc694\uccad \ub300\uae30\uc5f4\uc758 \ucd5c\ub300 \ud06c\uae30<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><code>queueLimit<\/code>\uc744 \ucd08\uacfc\ud558\uba74 \uc5f0\uacb0\uc744 \ud68d\ub4dd\ud558\uc9c0 \ubabb\ud558\ub294 \uc694\uccad\uc774 \uc624\ub958\ub85c \ucc98\ub9ac\ub420 \uc218 \uc788\ub2e4. \ubb34\uc81c\ud55c \ub300\uae30\uc5f4\uc740 \uc694\uccad\uc774 \uacc4\uc18d \ub204\uc801\ub420 \uc218 \uc788\uc73c\ubbc0\ub85c \ud2b8\ub798\ud53d \ud2b9\uc131\uc5d0 \ub530\ub77c \uc81c\ud55c\ud558\ub294 \uac83\uc774 \uc77c\ubc18\uc801\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub610\ud55c \ucffc\ub9ac\uac00 \uc2e4\ud328\ud558\ub354\ub77c\ub3c4 \ud480 \uc790\uccb4\ub97c \ub9e4\ubc88 \uc885\ub8cc\ud560 \ud544\uc694\ub294 \uc5c6\ub2e4. \uc815\uc0c1\uc801\uc778 \ud480 \uc0ac\uc6a9 \ud328\ud134\uc5d0\uc11c\ub294 \uc791\uc5c5\uc774 \ub05d\ub098\uba74 \uc5f0\uacb0\uc744 \ubc18\ud658\ud558\uace0, \uc11c\ubc84\ub97c \uc885\ub8cc\ud560 \ub54c \ud480 \uc804\uccb4\ub97c \ub2eb\ub294\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Connection Pool\uc758 \ud06c\uae30\uc640 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ubd80\ud558<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Connection Pool\uc758 \ud06c\uae30\ub97c \ud06c\uac8c \uc124\uc815\ud55c\ub2e4\uace0 \ubc18\ub4dc\uc2dc \uc131\ub2a5\uc774 \ud5a5\uc0c1\ub418\ub294 \uac83\uc740 \uc544\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5f0\uacb0 \uc218\uac00 \ub108\ubb34 \uc801\uc73c\uba74 \uc694\uccad\uc774 \uc5f0\uacb0\uc744 \uae30\ub2e4\ub9ac\ub290\ub77c \uc9c0\uc5f0\ub420 \uc218 \uc788\ub2e4. \ubc18\ub300\ub85c \uc5f0\uacb0 \uc218\uac00 \ub108\ubb34 \ub9ce\uc73c\uba74 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc758 \uba54\ubaa8\ub9ac\uc640 CPU \uc0ac\uc6a9\ub7c9\uc774 \uc99d\uac00\ud558\uace0, \ucee8\ud14d\uc2a4\ud2b8 \uc804\ud658\uc774\ub098 \uc7a0\uae08 \uacbd\ud569 \ub4f1\uc73c\ub85c \uc131\ub2a5\uc774 \uc624\ud788\ub824 \uc800\ud558\ub420 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud2b9\ud788 \uc11c\ubc84\ub97c \uc5ec\ub7ec \uc778\uc2a4\ud134\uc2a4\ub85c \ud655\uc7a5\ud558\ub294 \ud658\uacbd\uc5d0\uc11c\ub294 \uc804\uccb4 \uc5f0\uacb0 \uc218\ub97c \uacc4\uc0b0\ud574\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4 \ub2e4\uc74c\uacfc \uac19\uc740 \uad6c\uc131\uc744 \uac00\uc815\ud558\uc790.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc11c\ubc84 \uc778\uc2a4\ud134\uc2a4: 5\uac1c<\/li>\n\n\n\n<li>\uc778\uc2a4\ud134\uc2a4\ub2f9 Connection Pool \ucd5c\ub300 \ud06c\uae30: 20\uac1c<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uacbd\uc6b0 \ubaa8\ub4e0 \ud480\uc774 \ucd5c\ub300\uce58\uc5d0 \ub3c4\ub2ec\ud558\uba74 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc5f0\uacb0\uc774 \ucd5c\ub300 100\uac1c\uae4c\uc9c0 \uc0dd\uc131\ub420 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub530\ub77c\uc11c Connection Pool\uc740 \uac1c\ubcc4 \uc11c\ubc84\ub9cc \uace0\ub824\ud574 \uc124\uc815\ud560 \uac83\uc774 \uc544\ub2c8\ub77c \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc758 \ucd5c\ub300 \uc5f0\uacb0 \uc218\uc640 \ub2e4\ub978 \uc11c\ube44\uc2a4\uc758 \uc5f0\uacb0 \uc0ac\uc6a9\ub7c9\uae4c\uc9c0 \uace0\ub824\ud574 \uc124\uacc4\ud574\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Graceful Shutdown<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Graceful Shutdown\uc774\ub780?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Graceful Shutdown\uc740 \uc11c\ubc84 \uc885\ub8cc \uc694\uccad\uc744 \ubc1b\uc558\uc744 \ub54c \uc9c4\ud589 \uc911\uc778 \uc791\uc5c5\uc744 \uac00\ub2a5\ud55c \ud55c \uc548\uc804\ud558\uac8c \ub9c8\ubb34\ub9ac\ud55c \ud6c4 \ud504\ub85c\uc138\uc2a4\ub97c \uc885\ub8cc\ud558\ub294 \ubc29\uc2dd\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc11c\ubc84\uac00 \uc885\ub8cc\ub420 \ub54c \ub2e8\uc21c\ud788 \ud504\ub85c\uc138\uc2a4\ub97c \uac15\uc81c\ub85c \uc911\ub2e8\ud558\uba74 \ub2e4\uc74c\uacfc \uac19\uc740 \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc9c4\ud589 \uc911\uc778 HTTP \uc694\uccad\uc774 \uc911\ub2e8\ub41c\ub2e4.<\/li>\n\n\n\n<li>\ub370\uc774\ud130\ubca0\uc774\uc2a4 \ud2b8\ub79c\uc7ad\uc158\uc774 \uc815\uc0c1\uc801\uc73c\ub85c \ub9c8\ubb34\ub9ac\ub418\uc9c0 \uc54a\uc744 \uc218 \uc788\ub2e4.<\/li>\n\n\n\n<li>\uc2e4\uc2dc\uac04 \uac8c\uc784 \uc138\uc158\uc774 \uc608\uae30\uce58 \uc54a\uac8c \ub04a\uae34\ub2e4.<\/li>\n\n\n\n<li>\ub85c\uadf8\ub098 \uba54\uc2dc\uc9c0 \uc804\uc1a1\uc774 \uc644\ub8cc\ub418\uc9c0 \uc54a\uc744 \uc218 \uc788\ub2e4.<\/li>\n\n\n\n<li>\ub370\uc774\ud130\ubca0\uc774\uc2a4\uc640 Redis \uc5f0\uacb0\uc774 \uc815\ub9ac\ub418\uc9c0 \uc54a\ub294\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Graceful Shutdown\uc740 \uc774\ub7ec\ud55c \ubb38\uc81c\ub97c \uc904\uc774\uae30 \uc704\ud574 \uc885\ub8cc \uc808\ucc28\ub97c \uba85\uc2dc\uc801\uc73c\ub85c \uc815\uc758\ud55c\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Graceful Shutdown\uc758 \ucc98\ub9ac \uc21c\uc11c<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubc18\uc801\uc778 \uc11c\ubc84\uc5d0\uc11c\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uc21c\uc11c\ub85c \uc885\ub8cc\ub97c \uc9c4\ud589\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>\uc885\ub8cc \uc2e0\ud638\ub97c \uac10\uc9c0\ud55c\ub2e4.<\/li>\n\n\n\n<li>\uc2e0\uaddc \uc694\uccad\uc744 \ubc1b\uc9c0 \uc54a\ub3c4\ub85d \ud55c\ub2e4.<\/li>\n\n\n\n<li>\ub85c\ub4dc \ubc38\ub7f0\uc11c\uc758 \ud2b8\ub798\ud53d \ubd84\ubc30 \ub300\uc0c1\uc5d0\uc11c \uc81c\uc678\ub418\ub3c4\ub85d \ud55c\ub2e4.<\/li>\n\n\n\n<li>\uc9c4\ud589 \uc911\uc778 \uc694\uccad\uacfc \uc791\uc5c5\uc774 \uc644\ub8cc\ub418\uae30\ub97c \uae30\ub2e4\ub9b0\ub2e4.<\/li>\n\n\n\n<li>\uac8c\uc784 \uc138\uc158\uc774\ub098 \uba54\uc2dc\uc9c0 \ucc98\ub9ac \ub4f1 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uc790\uc6d0\uc744 \uc815\ub9ac\ud55c\ub2e4.<\/li>\n\n\n\n<li>\ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc5f0\uacb0 \ud480\uacfc Redis \uc5f0\uacb0\uc744 \uc885\ub8cc\ud55c\ub2e4.<\/li>\n\n\n\n<li>\ubaa8\ub4e0 \uc815\ub9ac\uac00 \ub05d\ub098\uba74 \ud504\ub85c\uc138\uc2a4\ub97c \uc885\ub8cc\ud55c\ub2e4.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2e4\uc81c \uc21c\uc11c\ub294 \uc11c\ubc84 \uad6c\uc870\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9c8 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4 HTTP \uc11c\ubc84\ub294 \uc2e0\uaddc \uc5f0\uacb0 \uc218\ub77d\uc744 \uc911\ub2e8\ud558\ub294 \uac83\uc774 \uc911\uc694\ud558\uace0, \uc2e4\uc2dc\uac04 \uac8c\uc784 \uc11c\ubc84\ub294 \uc0c8\ub85c\uc6b4 \ub9e4\uce58 \ucc38\uc5ec\ub97c \ucc28\ub2e8\ud558\uba74\uc11c \uae30\uc874 \uc138\uc158\uc744 \uc5b4\ub5bb\uac8c \uc774\uc804\ud558\uac70\ub098 \uc885\ub8cc\ud560\uc9c0 \uacb0\uc815\ud574\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub610\ud55c \uc885\ub8cc \ub300\uae30 \uc2dc\uac04\uc5d0\ub294 \uc0c1\ud55c\uc744 \ub450\uc5b4\uc57c \ud55c\ub2e4. \uc77c\ubd80 \uc791\uc5c5\uc774 \uc601\uc6d0\ud788 \uc644\ub8cc\ub418\uc9c0 \uc54a\uc73c\uba74 \uc11c\ubc84\uac00 \uc885\ub8cc\ub418\uc9c0 \ubabb\ud558\uae30 \ub54c\ubb38\uc774\ub2e4. \uc81c\ud55c \uc2dc\uac04\uc744 \ucd08\uacfc\ud558\uba74 \ub0a8\uc740 \uc791\uc5c5\uc744 \ucde8\uc18c\ud558\uac70\ub098 \uac15\uc81c \uc885\ub8cc\ud558\ub294 \ucd5c\uc885 \uc815\ucc45\uc774 \ud544\uc694\ud558\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Node.js Graceful Shutdown \uad6c\ud604<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e4\uc74c\uc740 HTTP \uc11c\ubc84\uc640 MySQL Connection Pool\uc744 \uc0ac\uc6a9\ud558\ub294 \uac04\ub2e8\ud55c \uc608\uc2dc\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import http from \"node:http\";\nimport mysql from \"mysql2\/promise\";\n\nconst pool = mysql.createPool({\n  host: process.env.DB_HOST,\n  user: process.env.DB_USER,\n  password: process.env.DB_PASSWORD,\n  database: process.env.DB_NAME,\n  connectionLimit: 10,\n});\n\nconst server = http.createServer(async (req, res) =&gt; {\n  try {\n    const &#91;rows] = await pool.execute(\n      \"SELECT 1 AS result\"\n    );\n\n    res.writeHead(200, {\n      \"Content-Type\": \"application\/json\",\n    });\n\n    res.end(JSON.stringify(rows&#91;0]));\n  } catch (error) {\n    console.error(\"\uc694\uccad \ucc98\ub9ac \uc2e4\ud328\", error);\n\n    if (!res.headersSent) {\n      res.writeHead(500);\n      res.end(\"Internal Server Error\");\n    }\n  }\n});\n\nserver.listen(3000, () =&gt; {\n  console.log(\"Server listening on port 3000\");\n});\n\nlet shuttingDown = false;\n\nfunction gracefulShutdown(signal) {\n  if (shuttingDown) {\n    return;\n  }\n\n  shuttingDown = true;\n\n  console.log(`${signal} received. Shutting down...`);\n\n  const forceExitTimer = setTimeout(() =&gt; {\n    console.error(\"Shutdown timeout exceeded\");\n\n    \/\/ \ucd5c\uc885 \uc885\ub8cc \uc815\ucc45.\n    \/\/ \uc774 \uc2dc\uc810\uc5d0\ub294 \uc77c\ubd80 \uc791\uc5c5\uc774 \uc911\ub2e8\ub420 \uc218 \uc788\ub2e4.\n    process.exit(1);\n  }, 10000);\n\n  forceExitTimer.unref();\n\n  \/\/ \uc2e0\uaddc \uc5f0\uacb0 \uc218\ub77d\uc744 \uc911\ub2e8\ud558\uace0 \uae30\uc874 \uc5f0\uacb0 \uc885\ub8cc\ub97c \uae30\ub2e4\ub9b0\ub2e4.\n  server.close(async (serverError) =&gt; {\n    try {\n      if (serverError) {\n        throw serverError;\n      }\n\n      \/\/ \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \ubc31\uadf8\ub77c\uc6b4\ub4dc \uc791\uc5c5\uacfc\n      \/\/ \ubcc4\ub3c4 \ub9ac\uc18c\uc2a4\ub3c4 \uc774 \ub2e8\uacc4\uc5d0\uc11c \uc815\ub9ac\ud574\uc57c \ud55c\ub2e4.\n      await pool.end();\n\n      console.log(\"Shutdown completed\");\n\n      clearTimeout(forceExitTimer);\n      process.exitCode = 0;\n    } catch (error) {\n      console.error(\"Shutdown failed\", error);\n\n      clearTimeout(forceExitTimer);\n      process.exitCode = 1;\n    }\n  });\n}\n\nprocess.on(\"SIGTERM\", () =&gt; {\n  gracefulShutdown(\"SIGTERM\");\n});\n\nprocess.on(\"SIGINT\", () =&gt; {\n  gracefulShutdown(\"SIGINT\");\n});<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc704 \ucf54\ub4dc\ub294 \uac1c\ub150\uc744 \uc124\uba85\ud558\uae30 \uc704\ud55c \uae30\ubcf8 \uad6c\uc870\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>server.close()<\/code>\ub294 \uc2e0\uaddc \uc5f0\uacb0 \uc218\ub77d\uc744 \uc911\ub2e8\ud558\uace0 \uae30\uc874 \uc5f0\uacb0\uc758 \uc885\ub8cc\ub97c \uae30\ub2e4\ub9b0\ub2e4. \ub2e4\ub9cc \uc6f9\uc18c\ucf13\ucc98\ub7fc \uc5f0\uacb0\uc774 \uc624\ub798 \uc720\uc9c0\ub418\ub294 \ud504\ub85c\ud1a0\ucf5c\uc740 \ubcc4\ub3c4\uc758 \uc885\ub8cc \ucc98\ub9ac\uac00 \ud544\uc694\ud560 \uc218 \uc788\ub2e4. \ub610\ud55c \uc774\ubbf8 \uc218\ub77d\ub41c \uc5f0\uacb0\uc5d0\uc11c \uc2e0\uaddc \uc694\uccad\uc774 \uacc4\uc18d \ub4e4\uc5b4\uc624\ub294 \uac83\uc744 \ub9c9\uc73c\ub824\uba74 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uc218\uc900\uc758 \uc885\ub8cc \uc0c1\ud0dc \uac80\uc0ac\ub3c4 \ucd94\uac00\ud574\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc6b4\uc601 \ud658\uacbd\uc5d0\uc11c\ub294 \uc885\ub8cc \uc2e0\ud638\uac00 \ub4e4\uc5b4\uc628 \uc9c1\ud6c4 readiness \uc0c1\ud0dc\ub97c \ubcc0\uacbd\ud558\uace0, \ub85c\ub4dc \ubc38\ub7f0\uc11c\uac00 \ud2b8\ub798\ud53d\uc744 \uc81c\uac70\ud560 \uc2dc\uac04\uc744 \ud655\ubcf4\ud558\ub294 \uc808\ucc28\ub3c4 \uace0\ub824\ud574\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\uc2dc\uadf8\ub110 \ucc98\ub9ac\uc640 \ub9ac\uc18c\uc2a4 \uc815\ub9ac<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\uc2dc\uadf8\ub110\uc774\ub780?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2dc\uadf8\ub110(Signal)\uc740 \uc6b4\uc601\uccb4\uc81c\uac00 \ud504\ub85c\uc138\uc2a4\uc5d0 \ud2b9\uc815 \uc774\ubca4\ud2b8\ub97c \uc804\ub2ec\ud558\ub294 \uba54\ucee4\ub2c8\uc998\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Node.js \uc11c\ubc84\ub294 \uc6b4\uc601\uccb4\uc81c\ub098 \ud504\ub85c\uc138\uc2a4 \uad00\ub9ac \ub3c4\uad6c\ub85c\ubd80\ud130 \uc2dc\uadf8\ub110\uc744 \uc804\ub2ec\ubc1b\uc544 \uc885\ub8cc \uc808\ucc28\ub97c \uc2e4\ud589\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc8fc\uc694 \uc2dc\uadf8\ub110\uc740 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>\uc2dc\uadf8\ub110<\/th><th>\uc77c\ubc18\uc801\uc778 \uc758\ubbf8<\/th><\/tr><tr><td><code>SIGINT<\/code><\/td><td>\ud130\ubbf8\ub110\uc5d0\uc11c Ctrl+C\ub97c \ub204\ub974\ub294 \ub4f1\uc758 \uc778\ud130\ub7fd\ud2b8<\/td><\/tr><tr><td><code>SIGTERM<\/code><\/td><td>\ud504\ub85c\uc138\uc2a4\uc5d0 \uc815\uc0c1 \uc885\ub8cc\ub97c \uc694\uccad<\/td><\/tr><tr><td><code>SIGKILL<\/code><\/td><td>\ud504\ub85c\uc138\uc2a4\ub97c \uac15\uc81c\ub85c \uc885\ub8cc<\/td><\/tr><tr><td><code>SIGHUP<\/code><\/td><td>\uc804\ud1b5\uc801\uc73c\ub85c \ud130\ubbf8\ub110 \uc5f0\uacb0 \uc885\ub8cc\ub97c \uc758\ubbf8\ud558\uba70, \uc77c\ubd80 \uc11c\ubc84\uc5d0\uc11c\ub294 \uc124\uc815 \uc7ac\ub85c\ub4dc \ub4f1\uc5d0 \uc0ac\uc6a9<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ud2b9\ud788 <code>SIGTERM<\/code>\uc740 Docker\ub098 Kubernetes \uac19\uc740 \uc6b4\uc601 \ud658\uacbd\uc5d0\uc11c \ud504\ub85c\uc138\uc2a4 \uc885\ub8cc\ub97c \uc694\uccad\ud560 \ub54c \uc790\uc8fc \uc0ac\uc6a9\ub41c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubc18\uba74 <code>SIGKILL<\/code>\uc740 \ud504\ub85c\uc138\uc2a4\uac00 \uc9c1\uc811 \ucc98\ub9ac\ud558\uac70\ub098 \ubb34\uc2dc\ud560 \uc218 \uc5c6\ub2e4. \ub530\ub77c\uc11c <code>SIGKILL<\/code>\uc774 \uc804\ub2ec\ub41c \ub4a4 \uc815\ub9ac \uc791\uc5c5\uc744 \uc218\ud589\ud558\ub824\uace0 \ud574\uc11c\ub294 \uc548 \ub41c\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ub9ac\uc18c\uc2a4 \uc815\ub9ac\uac00 \ud544\uc694\ud55c \uc774\uc720<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc11c\ubc84\ub294 \uc2e4\ud589 \uc911 \ub2e4\uc591\ud55c \ub9ac\uc18c\uc2a4\ub97c \ud68d\ub4dd\ud55c\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>HTTP \uc11c\ubc84\uc640 WebSocket \uc5f0\uacb0<\/li>\n\n\n\n<li>MySQL Connection Pool<\/li>\n\n\n\n<li>Redis \uc5f0\uacb0<\/li>\n\n\n\n<li>\ud30c\uc77c \ud578\ub4e4<\/li>\n\n\n\n<li>\ubc31\uadf8\ub77c\uc6b4\ub4dc \uc791\uc5c5<\/li>\n\n\n\n<li>\uba54\uc2dc\uc9c0 \ud050 \uc18c\ube44\uc790<\/li>\n\n\n\n<li>\uc8fc\uae30\uc801\uc73c\ub85c \uc2e4\ud589\ub418\ub294 \uc791\uc5c5<\/li>\n\n\n\n<li>\ub85c\uadf8 \uc804\uc1a1 \ud30c\uc774\ud504\ub77c\uc778<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud504\ub85c\uc138\uc2a4\uac00 \uc815\uc0c1\uc801\uc73c\ub85c \uc885\ub8cc\ub420 \ub54c\ub294 \uc774\ub7ec\ud55c \ub9ac\uc18c\uc2a4\ub97c \uc801\uc808\ud788 \uc815\ub9ac\ud574\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc5f0\uacb0 \ud480\uc744 \uc885\ub8cc\ud558\uc9c0 \uc54a\uc73c\uba74 \uad00\ub828 \uc18c\ucf13\uc774\ub098 \uc791\uc5c5\uc774 \ub0a8\uc544 \ud504\ub85c\uc138\uc2a4 \uc885\ub8cc\ub97c \uc9c0\uc5f0\uc2dc\ud0ac \uc218 \uc788\ub2e4. \ubc31\uadf8\ub77c\uc6b4\ub4dc \uc791\uc5c5\uc774 \uacc4\uc18d \uc2e4\ud589\ub418\ub294 \uacbd\uc6b0\uc5d0\ub3c4 \ub9c8\ucc2c\uac00\uc9c0\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e8, \ud504\ub85c\uc138\uc2a4\uac00 \uc885\ub8cc\ub418\uba74 \uc6b4\uc601\uccb4\uc81c\uac00 \ub300\ubd80\ubd84\uc758 \ud504\ub85c\uc138\uc2a4 \ub9ac\uc18c\uc2a4\ub97c \ud68c\uc218\ud558\ubbc0\ub85c \ubaa8\ub4e0 \ub9ac\uc18c\uc2a4\uac00 \uc601\uad6c\uc801\uc73c\ub85c \ub0a8\ub294 \uac83\uc740 \uc544\ub2c8\ub2e4. \ud575\uc2ec\uc740 \ub9ac\uc18c\uc2a4 \ud68c\uc218 \uc790\uccb4\ubfd0 \uc544\ub2c8\ub77c \uc9c4\ud589 \uc911\uc778 \uc791\uc5c5\uc758 \uc77c\uad00\uc131, \uc678\ubd80 \uc2dc\uc2a4\ud15c\uacfc\uc758 \uc815\uc0c1\uc801\uc778 \uc5f0\uacb0 \uc885\ub8cc, \ub85c\uadf8 \uc720\uc2e4 \ubc29\uc9c0 \ub4f1\uc744 \uad00\ub9ac\ud558\ub294 \uac83\uc774\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc5ec\ub7ec \ub9ac\uc18c\uc2a4\uc758 \uc885\ub8cc \uc21c\uc11c \uad00\ub9ac<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2e4\uc81c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c\ub294 \uc885\ub8cc \uc791\uc5c5\uc744 \ud558\ub098\uc758 \ud568\uc218\uc5d0 \uc804\ubd80 \uc791\uc131\ud558\uae30\ubcf4\ub2e4 \uac01 \ub9ac\uc18c\uc2a4\uc758 \uc885\ub8cc \ucc45\uc784\uc744 \ubd84\ub9ac\ud558\ub294 \ud3b8\uc774 \uad00\ub9ac\ud558\uae30 \uc27d\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>const resources = {\n  httpServer,\n  mysqlPool,\n  redisClient,\n  gameServer,\n};\n\nasync function closeResources() {\n  \/\/ 1. \uc2e0\uaddc \uac8c\uc784 \ucc38\uc5ec \ucc28\ub2e8\n  await resources.gameServer.stopAcceptingPlayers();\n\n  \/\/ 2. \uc9c4\ud589 \uc911\uc778 \uac8c\uc784\uacfc \uc791\uc5c5 \uc815\ub9ac\n  await resources.gameServer.shutdown();\n\n  \/\/ 3. HTTP \uc11c\ubc84 \uc885\ub8cc\n  await new Promise((resolve, reject) =&gt; {\n    resources.httpServer.close((error) =&gt; {\n      if (error) reject(error);\n      else resolve();\n    });\n  });\n\n  \/\/ 4. \uc800\uc7a5\uc18c \uc5f0\uacb0 \uc885\ub8cc\n  await resources.mysqlPool.end();\n  await resources.redisClient.quit();\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc704 \ucf54\ub4dc\ub294 \ub9ac\uc18c\uc2a4\ubcc4 \uc885\ub8cc \ucc45\uc784\uc744 \ubcf4\uc5ec\uc8fc\ub294 \uac1c\ub150\uc801 \uc608\uc2dc\ub2e4. \uc2e4\uc81c\ub85c \uc0ac\uc6a9\ud558\ub824\uba74 \uac01 \uac1d\uccb4\uac00 \ud574\ub2f9 \uba54\uc11c\ub4dc\ub97c \uc81c\uacf5\ud574\uc57c \ud558\uba70, \uac8c\uc784 \uc11c\ubc84\uc640 HTTP \uc11c\ubc84\uc758 \uc885\ub8cc \uc21c\uc11c\ub294 \uad6c\uccb4\uc801\uc778 \uc544\ud0a4\ud14d\ucc98\uc5d0 \ub9de\uac8c \uc870\uc815\ud574\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc911\uc694\ud55c \uc810\uc740 \uc885\ub8cc \uc791\uc5c5\ub3c4 \uc2e4\ud328\ud560 \uc218 \uc788\ub2e4\ub294 \uac83\uc774\ub2e4. \ud2b9\uc815 \ub9ac\uc18c\uc2a4\uc758 \uc815\ub9ac\uac00 \uc2e4\ud328\ud588\ub2e4\uace0 \ud574\uc11c \ub098\uba38\uc9c0 \ub9ac\uc18c\uc2a4\uc758 \uc815\ub9ac\uae4c\uc9c0 \uac74\ub108\ub6f0\uc5b4\uc11c\ub294 \uc548 \ub41c\ub2e4. \uc6b4\uc601 \ucf54\ub4dc\uc5d0\uc11c\ub294 \uac01 \uc885\ub8cc \uc791\uc5c5\uc5d0 \ud0c0\uc784\uc544\uc6c3\uacfc \uc624\ub958 \ucc98\ub9ac\ub97c \uc801\uc6a9\ud558\uace0, \ub3c5\ub9bd\uc801\uc778 \ub9ac\uc18c\uc2a4\ub294 \uac00\ub2a5\ud55c \ud55c \uac01\uac01 \uc815\ub9ac\ud558\ub3c4\ub85d \uad6c\uc131\ud574\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub610\ud55c \uc885\ub8cc \uc808\ucc28\ub97c \uc5ec\ub7ec \ubc88 \ud638\ucd9c\ud574\ub3c4 \uc911\ubcf5 \uc815\ub9ac\ub85c \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud558\uc9c0 \uc54a\ub3c4\ub85d \uba71\ub4f1\uc131\uc744 \ud655\ubcf4\ud558\ub294 \uac83\uc774 \uc88b\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\uc2e4\uc2dc\uac04 \uac8c\uc784 \uc11c\ubc84\uc5d0\uc11c\uc758 \uc801\uc6a9<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2e4\uc2dc\uac04 \uac8c\uc784 \uc11c\ubc84\uc5d0\uc11c\ub294 \uc77c\ubc18\uc801\uc778 HTTP \uc11c\ubc84\ubcf4\ub2e4 \uc885\ub8cc \uc815\ucc45\uc774 \ub354 \ubcf5\uc7a1\ud560 \uc218 \uc788\ub2e4. \uac8c\uc784 \uc138\uc158\uc740 \ub2e8\uc21c\ud55c \uc694\uccad \ud558\ub098\uac00 \uc544\ub2c8\ub77c \uc5ec\ub7ec \ud074\ub77c\uc774\uc5b8\ud2b8\uc640 \uc11c\ubc84 \uc0c1\ud0dc\uac00 \uc5f0\uacb0\ub41c \uc7a5\uae30 \uc2e4\ud589 \uc791\uc5c5\uc774\uae30 \ub54c\ubb38\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4 Colyseus \uae30\ubc18 \uc11c\ubc84\ub97c \uc6b4\uc601\ud55c\ub2e4\uace0 \uac00\uc815\ud558\uc790.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud0c0\uc784\uc544\uc6c3\uacfc \uc7ac\uc2dc\ub3c4<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud074\ub77c\uc774\uc5b8\ud2b8 \uc5f0\uacb0\uc774 \uc77c\uc2dc\uc801\uc73c\ub85c \ub04a\uacbc\uc744 \ub54c \uc7ac\uc811\uc18d\uc744 \ud5c8\uc6a9\ud560 \uc218 \uc788\ub2e4. \ub2e4\ub9cc \uc7ac\uc811\uc18d \ub300\uae30 \uc2dc\uac04\uacfc \uc138\uc158 \uc720\uc9c0 \uc2dc\uac04\uc744 \uc81c\ud55c\ud558\uace0, \ubaa8\ub4e0 \uc624\ub958\ub97c \ubb34\uc870\uac74 \uc7ac\uc2dc\ub3c4\ud558\uc9c0 \uc54a\ub3c4\ub85d \ud574\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Connection Pool<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac8c\uc784 \uc0c1\ud0dc\uc640 \uc720\uc800 \uc815\ubcf4\ub97c \uc800\uc7a5\ud558\ub294 MySQL \ubc0f Redis \uc5f0\uacb0 \uc218\ub97c \uc81c\ud55c\ud55c\ub2e4. \uc11c\ubc84 \uc778\uc2a4\ud134\uc2a4\uac00 \ub298\uc5b4\ub0a0 \ub54c \uc804\uccb4 \uc5f0\uacb0 \uc218\uac00 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc758 \ucc98\ub9ac \ud55c\ub3c4\ub97c \ucd08\uacfc\ud558\uc9c0 \uc54a\ub3c4\ub85d \uad00\ub9ac\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Graceful Shutdown<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc0c8\ub85c\uc6b4 Room \uc0dd\uc131\uc774\ub098 \ub9e4\uce58 \ucc38\uc5ec\ub97c \ucc28\ub2e8\ud558\uace0, \uae30\uc874 Room\uc744 \uc815\uc0c1\uc801\uc73c\ub85c \uc885\ub8cc\ud558\uac70\ub098 \ub2e4\ub978 \uc11c\ubc84\ub85c \uc774\uc804\ud560 \uc218 \uc788\ub294\uc9c0 \uac80\ud1a0\ud55c\ub2e4. \uc11c\ubc84\uac00 \uc885\ub8cc\ub41c\ub2e4\ub294 \uc0ac\uc2e4\ub9cc\uc73c\ub85c \uac8c\uc784 \uc0c1\ud0dc\uac00 \uc790\ub3d9\uc73c\ub85c \ub2e4\ub978 \uc11c\ubc84\uc5d0 \ubcf5\uad6c\ub418\ub294 \uac83\uc740 \uc544\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc2dc\uadf8\ub110 \ucc98\ub9ac\uc640 \ub9ac\uc18c\uc2a4 \uc815\ub9ac<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc885\ub8cc \uc2e0\ud638\ub97c \ubc1b\uc73c\uba74 \uc2e0\uaddc \uc138\uc158 \uc218\ub77d\uc744 \uc911\ub2e8\ud558\uace0, \uc800\uc7a5\ud574\uc57c \ud560 \uc0c1\ud0dc\uc640 \ub85c\uadf8\ub97c \ucc98\ub9ac\ud55c \ub4a4 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ubc0f Redis \uc5f0\uacb0\uc744 \uc885\ub8cc\ud55c\ub2e4. \ub2e8, \ubaa8\ub4e0 \uac8c\uc784 \uc0c1\ud0dc\ub97c \ubb34\uc870\uac74 \uc885\ub8cc \uc2dc\uc810\uc5d0\ub9cc \uc800\uc7a5\ud558\uba74 \ud504\ub85c\uc138\uc2a4 \uac15\uc81c \uc885\ub8cc \uc2dc \ub370\uc774\ud130\uac00 \uc720\uc2e4\ub420 \uc218 \uc788\uc73c\ubbc0\ub85c \uc911\uc694\ud55c \uc0c1\ud0dc\ub294 \ud50c\ub808\uc774 \uc911\uc5d0\ub3c4 \uc801\uc808\ud788 \uc601\uc18d\ud654\ud574\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc11c\ubc84 \uc548\uc815\uc131(Server Reliability)\uc774\ub780 \uc608\uc0c1\uce58 \ubabb\ud55c \uc624\ub958, \ub124\ud2b8\uc6cc\ud06c \uc7a5\uc560, \uc678\ubd80 \uc11c\ube44\uc2a4 \uc9c0\uc5f0, \ud504\ub85c\uc138\uc2a4 \uc885\ub8cc \ub4f1\uc758 \uc0c1\ud669\uc5d0\uc11c\ub3c4 \uc2dc\uc2a4\ud15c\uc774 \uc815\uc0c1\uc801\uc778 \uc0c1\ud0dc\ub97c \uc720\uc9c0\ud558\uac70\ub098 \uc548\uc804\ud558\uac8c \ubcf5\uad6c\ud560 \uc218 \uc788\ub294 \ub2a5\ub825\uc744 \uc758\ubbf8\ud55c\ub2e4. \uc11c\ubc84\ub294 \ub2e8\uc21c\ud788 \uc694\uccad\uc744 \uc815\uc0c1\uc801\uc73c\ub85c \ucc98\ub9ac\ud558\ub294 \uac83\ub9cc\uc73c\ub85c \ucda9\ubd84\ud558\uc9c0 \uc54a\ub2e4. \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc751\ub2f5\uc774 \uc9c0\uc5f0\ub418\uac70\ub098 \uc678\ubd80 API\uac00 \uc751\ub2f5\ud558\uc9c0 \uc54a\ub294 \uc0c1\ud669, \uac11\uc791\uc2a4\ub7ec\uc6b4 \uc885\ub8cc \uc2e0\ud638\uac00 \uc804\ub2ec\ub418\ub294 \uc0c1\ud669\uc5d0\uc11c\ub3c4 \ub9ac\uc18c\uc2a4\ub97c \uc801\uc808\ud788 \uad00\ub9ac\ud558\uace0 \ub370\uc774\ud130\uc758 \uc77c\uad00\uc131\uc744 \uc720\uc9c0\ud574\uc57c \ud55c\ub2e4. \ud2b9\ud788 \uc2e4\uc2dc\uac04 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2649","post","type-post","status-publish","format-standard","hentry","category-dev-logs"],"_links":{"self":[{"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/posts\/2649","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2649"}],"version-history":[{"count":2,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/posts\/2649\/revisions"}],"predecessor-version":[{"id":2651,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/posts\/2649\/revisions\/2651"}],"wp:attachment":[{"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2649"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2649"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2649"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}