{"id":882,"date":"2026-05-20T09:51:45","date_gmt":"2026-05-20T01:51:45","guid":{"rendered":"https:\/\/junai.ai\/blog\/nodejs-event-loop-8\/"},"modified":"2026-05-20T09:51:45","modified_gmt":"2026-05-20T01:51:45","slug":"nodejs-event-loop-8","status":"publish","type":"post","link":"https:\/\/junai.ai\/blog\/nodejs-event-loop-8\/","title":{"rendered":"\uc774\ubca4\ud2b8 \ub8e8\ud504 \uc644\uc804 \uc815\ub9ac \u2014 Call Stack\u00b7Queue\u00b7libuv"},"content":{"rendered":"\n<!-- WordPress REST API \ubc1c\ud589\uc6a9 HTML (\uc790\ub3d9 \uc0dd\uc131) -->\n<!-- WP-FEATURED-MEDIA-ID: 828 -->\n<div style=\"max-width:800px;margin:0 auto;\">\n<style>\n:root {--color-primary:#059669;--color-accent:#10b981;--color-bg:#fafbfc;--color-bg-card:#fff;--color-text:#1a202c;--color-text-muted:#64748b;--hero-start:#064e3b;--hero-end:#059669;}\n*{box-sizing:border-box;}\n.container{max-width:760px;margin:0 auto;padding:0 24px 80px;}\n.hero{background:linear-gradient(135deg,var(--hero-start) 0%,var(--hero-end) 100%);color:#fff;padding:80px 24px 60px;text-align:center;}\n.hero .eyebrow{display:inline-block;font-size:14px;color:#6ee7b7;font-weight:700;letter-spacing:0.1em;text-transform:uppercase;margin-bottom:14px;}\n.hero h1{font-size:36px;margin:0 0 16px;line-height:1.3;font-weight:800;}\n.hero p{color:#d1fae5;font-size:18px;max-width:640px;margin:0 auto;line-height:1.6;}\n.hero img{width:100%;max-width:640px;height:auto;margin:32px auto 0;border-radius:10px;display:block;}\narticle{padding-top:48px;}\narticle h2{font-size:26px;margin:56px 0 20px;padding-left:14px;border-left:5px solid var(--color-accent);line-height:1.4;}\narticle h3{font-size:19px;margin:32px 0 12px;color:var(--color-primary);}\narticle p{margin:16px 0;}\narticle strong{color:var(--color-primary);font-weight:700;}\narticle code{background:#d1fae5;padding:2px 8px;border-radius:4px;font-family:'SF Mono',Menlo,Consolas,monospace;font-size:14px;color:#065f46;}\n.databox{background:#d1fae5;border-left:4px solid var(--color-accent);padding:16px 20px;margin:24px 0;border-radius:0 8px 8px 0;font-size:15.5px;}\n.databox strong{color:var(--color-primary);}\n.warnbox{background:linear-gradient(135deg,#fef3c7 0%,#fde68a 100%);padding:16px 20px;margin:24px 0;border-radius:8px;font-size:15.5px;}\n.tablewrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:22px 0;}\ntable{width:100%;border-collapse:collapse;font-size:15px;background:var(--color-bg-card);}\nth,td{padding:11px 12px;text-align:left;border-bottom:1px solid #e2e8f0;vertical-align:top;}\nth{background:#f1f5f9;font-weight:700;color:#0f172a;}\ntd:first-child,th:first-child{font-weight:700;}\n@media (max-width:560px){.tablewrap table,.tablewrap thead,.tablewrap tbody,.tablewrap tr,.tablewrap th,.tablewrap td{display:block;width:auto;}.tablewrap thead{display:none;}.tablewrap tr{margin:0 0 14px;border:1px solid #e2e8f0;border-radius:10px;overflow:hidden;}.tablewrap td{border:none;border-bottom:1px solid #f1f5f9;padding:9px 14px;}.tablewrap td:first-child{background:#f1f5f9;font-weight:800;font-size:15.5px;}.tablewrap td:last-child{border-bottom:none;}.tablewrap td[data-label]::before{content:attr(data-label) \" \u2014 \";font-weight:700;color:var(--color-primary);}}\n.code-block{background:#0f172a;color:#e2e8f0;padding:16px 20px;border-radius:8px;font-family:'SF Mono',Menlo,Consolas,monospace;font-size:14px;line-height:1.6;margin:20px 0;overflow-x:auto;white-space:pre;}\n.cta{background:linear-gradient(135deg,#059669 0%,#10b981 100%);color:#fff;padding:28px 24px;border-radius:12px;margin:48px 0 0;text-align:center;}\n.cta h3{color:#fff;margin:0 0 8px;font-size:20px;}\n.cta p{color:#d1fae5;margin:0;font-size:15.5px;}\n.footer-nav{margin-top:32px;padding-top:20px;border-top:1px solid #e2e8f0;font-size:14px;color:var(--color-text-muted);}\n.footer-nav a{color:var(--color-primary);text-decoration:none;}\n@media (max-width:480px){.hero h1{font-size:26px;}.hero p{font-size:16px;}article h2{font-size:21px;}article h3{font-size:17px;}body{font-size:16px;}}\n<\/style>\n<section class=\"hero\">\n  <span class=\"eyebrow\">Node.js \uad50\uc7ac \u00b7 8\ud3b8 \u00b7 \uc774\ubca4\ud2b8 \ub8e8\ud504<\/span>\n  <h1>\uc774\ubca4\ud2b8 \ub8e8\ud504 \uc644\uc804 \uc815\ub9ac \u2014 Call Stack\u00b7Queue\u00b7libuv<\/h1>\n  <p>Node \uac00 &#8220;\ub2e8\uc77c \uc2a4\ub808\ub4dc\uc778\ub370 \ub3d9\uc2dc\uc5d0 \ub9ce\uc740 \uc694\uccad\uc744 \ucc98\ub9ac\ud55c\ub2e4&#8221; \uc758 \uc9c4\uc9dc \uc815\uccb4.<\/p>\n  <img decoding=\"async\" src=\"https:\/\/junai.ai\/blog\/wp-content\/uploads\/2026\/05\/hero-5-61.jpg\" alt=\"\uc774\ubca4\ud2b8 \ub8e8\ud504\uac00 Call Stack \uacfc Queue \ub97c \ub3cc\ub9ac\ub294 \ucee8\uc149 \uc544\uc774\uc18c\uba54\ud2b8\ub9ad \uc77c\ub7ec\uc2a4\ud2b8\">\n<\/section>\n\n<div class=\"container\">\n<article>\n\n<p>\uba74\uc811 \ub2e8\uace8 \uc9c8\ubb38 \u2014 &#8220;Node \ub294 \ub2e8\uc77c \uc2a4\ub808\ub4dc\uc778\ub370 \uc5b4\ub5bb\uac8c \ub3d9\uc2dc\uc5d0 \ub9ce\uc740 \uc694\uccad\uc744 \ucc98\ub9ac\ud558\ub098?&#8221; \ub2f5\uc740 \ud55c \uc904 \u2014 <strong>\uc774\ubca4\ud2b8 \ub8e8\ud504 + \ub17c\ube14\ub85c\ud0b9 I\/O<\/strong>. \uc774 \ud55c \uc904 \ub4a4\uc5d0 \uc228\uc740 \uba54\ucee4\ub2c8\uc998\uc744 \ud480\uc5b4\ubcf4\uba74 Node \uc758 \ubcf8\uc9c8\uc774 \ubcf4\uc778\ub2e4.<\/p>\n\n<p>\uc774\ubc88 \ud3b8\uc740 \uac00\uc7a5 \ucd94\uc0c1\uc801\uc774\uc9c0\ub9cc \uac00\uc7a5 \uc911\uc694. Call Stack\u00b7Macrotask Queue\u00b7Microtask Queue\u00b7libuv \uac00 \uc5b4\ub5bb\uac8c \ud611\uc5c5\ud558\ub294\uc9c0, \uadf8\ub798\uc11c <code>setTimeout<\/code>\u00b7<code>Promise<\/code>\u00b7<code>fs.readFile<\/code> \uc758 \uc2e4\ud589 \uc21c\uc11c\uac00 \uc65c \uadf8\ub807\uac8c \ub098\uc624\ub294\uc9c0.<\/p>\n\n<h2>1. \ud070 \uadf8\ub9bc \u2014 \ub2e8\uc77c \uc2a4\ub808\ub4dc, \ub2e4\uc911 \ud050<\/h2>\n\n<p>Node \uc758 \uc790\ubc14\uc2a4\ud06c\ub9bd\ud2b8 \ucf54\ub4dc\ub294 <strong>\ub2e8 \ud558\ub098\uc758 \uc2a4\ub808\ub4dc<\/strong>\uc5d0\uc11c\ub9cc \uc2e4\ud589\ub41c\ub2e4. \uc774 \uc2a4\ub808\ub4dc \uc704\uc5d0 \ub450 \uad6c\uc870\uac00 \uc788\ub2e4.<\/p>\n\n<ul>\n<li><strong>Call Stack<\/strong> \u2014 \ud568\uc218 \ud638\ucd9c\uc774 \uc313\uc774\ub294 \uacf3. \ub3d9\uae30 \ucf54\ub4dc\ub294 \uc5ec\uae30\uc11c \ub05d\uae4c\uc9c0 \ucc98\ub9ac.<\/li>\n<li><strong>\uc5ec\ub7ec \uc885\ub958\uc758 \ud050<\/strong> \u2014 \ube44\ub3d9\uae30 \uc791\uc5c5 \uacb0\uacfc\uac00 \uc904\uc744 \uc11c\ub294 \uacf3. Stack \uc774 \ube44\uba74 \ud050\uc5d0\uc11c \ud558\ub098\uc529 \uaebc\ub0b4 Stack \uc73c\ub85c \uc62e\uae34\ub2e4.<\/li>\n<\/ul>\n\n<p>&#8220;\ub2e8\uc77c \uc2a4\ub808\ub4dc&#8221; \uc758 \uc758\ubbf8\ub294 \u2014 <strong>\uc790\ubc14\uc2a4\ud06c\ub9bd\ud2b8 \ucf54\ub4dc\uac00 \ud55c \ubc88\uc5d0 \ud558\ub098\ub9cc \uc2e4\ud589<\/strong>. \uadf8\ub7ec\ub098 <code>fs.readFile<\/code> \uac19\uc740 I\/O \uc791\uc5c5\uc740 \uc790\ubc14\uc2a4\ud06c\ub9bd\ud2b8\uac00 \uc544\ub2cc <strong>C++ \ub808\uc774\uc5b4 (libuv)<\/strong> \uc5d0\uc11c \ubc31\uadf8\ub77c\uc6b4\ub4dc\ub85c \ub3c8\ub2e4. \uc790\ubc14\uc2a4\ud06c\ub9bd\ud2b8 \uc785\uc7a5\uc5d0\uc120 &#8220;\ub4f1\ub85d\ub9cc \ud574\ub450\uace0 \uacb0\uacfc\ub294 \ud050\ub85c \ubc1b\ub294&#8221; \uad6c\uc870.<\/p>\n\n<div class=\"databox\">\n<strong>\ud575\uc2ec \uc778\uc0ac\uc774\ud2b8<\/strong> \u2014 Node \uac00 \ube60\ub978 \uc774\uc720\ub294 \uc790\ubc14\uc2a4\ud06c\ub9bd\ud2b8\uac00 \ube68\ub77c\uc11c\uac00 \uc544\ub2c8\ub2e4. <strong>\ub300\ubd80\ubd84\uc758 \uc2dc\uac04\uc774 I\/O \ub300\uae30<\/strong>\uc778\ub370 \uadf8 \ub300\uae30\ub97c OS \ud55c\ud14c \uc704\uc784\ud558\uace0 \uc790\ubc14\uc2a4\ud06c\ub9bd\ud2b8\ub294 \ub2e4\ub978 \uc77c\uc744 \ud558\uae30 \ub54c\ubb38. CPU \ube61\uc13c \uacc4\uc0b0\uc5d4 \ub2e8\uc77c \uc2a4\ub808\ub4dc\ub77c \uc57d\ud558\uc9c0\ub9cc, I\/O \uac00 \ub9ce\uc740 \uc6f9 \uc11c\ubc84\uc5d4 \ucc9c\uc131\uc774 \ub9de\ub2e4.\n<\/div>\n\n<h2>2. \uc774\ubca4\ud2b8 \ub8e8\ud504\uc758 6\ub2e8\uacc4 (Phase)<\/h2>\n\n<p>\uc774\ubca4\ud2b8 \ub8e8\ud504\ub294 <strong>6\uac1c phase \ub97c \uc21c\ud658<\/strong>\ud55c\ub2e4. Node \uacf5\uc2dd \ubb38\uc11c\uc5d0 \uadf8\ub9bc\uc774 \uc788\ub294 \uadf8\uac83.<\/p>\n\n<div class=\"tablewrap\">\n<table>\n<thead><tr><th>\ub2e8\uacc4<\/th><th>\ucc98\ub9ac<\/th><th>\uc608<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>\u2460 timers<\/td><td data-label=\"\ucc98\ub9ac\"><code>setTimeout<\/code>\u00b7<code>setInterval<\/code> \ucf5c\ubc31<\/td><td data-label=\"\uc608\">delay \ub9cc\ub8cc\ub41c \ud0c0\uc774\uba38<\/td><\/tr>\n<tr><td>\u2461 pending callbacks<\/td><td data-label=\"\ucc98\ub9ac\">\uc61b OS \uc5d0\ub7ec \ucf5c\ubc31<\/td><td data-label=\"\uc608\">TCP \uc5d0\ub7ec \ub4f1 (\uc798 \uc548 \ubcf4\uc784)<\/td><\/tr>\n<tr><td>\u2462 idle, prepare<\/td><td data-label=\"\ucc98\ub9ac\">Node \ub0b4\ubd80\uc6a9<\/td><td data-label=\"\uc608\">\uc0ac\uc6a9\uc790 \ucf54\ub4dc \ubb34\uad00<\/td><\/tr>\n<tr><td>\u2463 poll<\/td><td data-label=\"\ucc98\ub9ac\">\uc0c8 I\/O \uc774\ubca4\ud2b8 \ucc98\ub9ac<\/td><td data-label=\"\uc608\">fs\/\ub124\ud2b8\uc6cc\ud06c \uc751\ub2f5 \ub3c4\ucc29<\/td><\/tr>\n<tr><td>\u2464 check<\/td><td data-label=\"\ucc98\ub9ac\"><code>setImmediate<\/code> \ucf5c\ubc31<\/td><td data-label=\"\uc608\">poll \uc9c1\ud6c4 \uc2e4\ud589\ud560 \uac83<\/td><\/tr>\n<tr><td>\u2465 close callbacks<\/td><td data-label=\"\ucc98\ub9ac\">socket.close \uac19\uc740 close \uc774\ubca4\ud2b8<\/td><td data-label=\"\uc608\">\uc5f0\uacb0 \uc815\ub9ac<\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\n<p>\ud55c phase \uac00 \ub05d\ub0a0 \ub54c\ub9c8\ub2e4 <strong>Microtask Queue<\/strong> \uac00 \ud1b5\uc9f8\ub85c \ube44\uc6cc\uc9c4\ub2e4 (Promise\u00b7queueMicrotask). \uc989 setTimeout \uc0ac\uc774\uc0ac\uc774\uc5d0 Promise \uac00 \ub07c\uc5b4\ub4e0\ub2e4. \uc774\uac8c <code>setTimeout(fn, 0)<\/code> \ubcf4\ub2e4 <code>Promise.resolve().then(fn)<\/code> \uc774 \uba3c\uc800 \uc2e4\ud589\ub418\ub294 \uc774\uc720.<\/p>\n\n<h2>3. \uc2e4\ud589 \uc21c\uc11c \uc608\uc81c \u2014 \ud55c \ubc88\uc5d0 \ubcf4\uae30<\/h2>\n\n<p>\uc544\ub798 \ucf54\ub4dc\uc758 \ucd9c\ub825\uc744 \ub9de\ucdb0\ubcf4\uc790.<\/p>\n\n<div class=\"code-block\">console.log(&#8216;A&#8217;);\n\nsetTimeout(() =&gt; console.log(&#8216;B&#8217;), 0);\n\nPromise.resolve().then(() =&gt; console.log(&#8216;C&#8217;));\n\nsetImmediate(() =&gt; console.log(&#8216;D&#8217;));\n\nqueueMicrotask(() =&gt; console.log(&#8216;E&#8217;));\n\nconsole.log(&#8216;F&#8217;);<\/div>\n\n<p>\ucd9c\ub825 \uc21c\uc11c:<\/p>\n\n<div class=\"code-block\">A      \u2190 \ub3d9\uae30, Call Stack \uc989\uc2dc\nF      \u2190 \ub3d9\uae30, Call Stack \uc989\uc2dc\nC      \u2190 Microtask (Promise.then)\nE      \u2190 Microtask (queueMicrotask)\nB      \u2190 Macrotask (timers)\nD      \u2190 Macrotask (check, setImmediate)<\/div>\n\n<p>\uaddc\uce59 \u2014 <strong>\ub3d9\uae30 \u2192 Microtask \u2192 Macrotask<\/strong>. Microtask \uac00 \ub2e4 \ube60\uc9c4 \ub4a4\uc5d0\uc57c \ub2e4\uc74c phase \ub85c \uac04\ub2e4.<\/p>\n\n<div class=\"databox\">\n<strong>setImmediate vs setTimeout(fn, 0)<\/strong> \u2014 \ub450 \ub2e4\ub978 phase \ub77c \ubbf8\ubb18\ud558\uac8c \uc21c\uc11c\uac00 \ub2e4\ub974\ub2e4. <code>setImmediate<\/code> \ub294 \ud56d\uc0c1 \uac19\uc740 \ub8e8\ud504\uc758 check phase \uc5d0\uc11c, <code>setTimeout(fn, 0)<\/code> \uc740 timers phase \uc5d0\uc11c (\ucd5c\uc18c 1ms \uc9c0\uc5f0). I\/O \ucf5c\ubc31 \uc548\uc5d0\uc11c \ud638\ucd9c\ud558\uba74 <code>setImmediate<\/code> \uac00 \uba3c\uc800, \uadf8 \uc678\uc5d4 OS \uc2a4\ucf00\uc904\ub9c1\uc5d0 \ub530\ub77c \uac08\ub9b0\ub2e4. <strong>I\/O \ucf5c\ubc31 \uc548\uc5d0\uc120 setImmediate \uac00 \uc548\uc804\ud55c \uc120\ud0dd<\/strong>.\n<\/div>\n\n<h2>4. libuv \u2014 I\/O \uc758 \uc9c4\uc9dc \uc77c\uafbc<\/h2>\n\n<p>\uc774\ubca4\ud2b8 \ub8e8\ud504\ub9cc\uc73c\ub860 \ubd80\uc871\ud558\ub2e4. <code>fs.readFile<\/code> \ucc98\ub7fc \uc9c4\uc9dc \uc2dc\uac04\uc774 \uac78\ub9ac\ub294 I\/O \ub294 \uc5b4\ub518\uac00\uc5d0\uc11c \uc2e4\uc81c\ub85c \ucc98\ub9ac\ub3fc\uc57c \ud55c\ub2e4. \uadf8 \uc77c\uafbc\uc774 <strong>libuv<\/strong>.<\/p>\n\n<p>libuv \ub294 Node \uc548\uc758 C++ \ub77c\uc774\ube0c\ub7ec\ub9ac\ub85c, \ub450 \uac00\uc9c0\ub97c \ud55c\ub2e4.<\/p>\n\n<ul>\n<li><strong>OS \ube44\ub3d9\uae30 API \ud65c\uc6a9<\/strong> \u2014 \ub124\ud2b8\uc6cc\ud06c I\/O \ub294 Linux \uc758 epoll\u00b7macOS \uc758 kqueue\u00b7Windows \uc758 IOCP \ub97c \uc9c1\uc811 \ud638\ucd9c. OS \uac00 \uc54c\uc544\uc11c \ube44\ub3d9\uae30\ub85c \ucc98\ub9ac.<\/li>\n<li><strong>\uc2a4\ub808\ub4dc \ud480\ub85c \uc704\uc784<\/strong> \u2014 OS \uac00 \ube44\ub3d9\uae30 API \ub97c \uc81c\uacf5 \uc548 \ud558\ub294 \uc791\uc5c5 (fs\u00b7crypto\u00b7zlib\u00b7DNS \uc758 \uc77c\ubd80) \uc740 \uae30\ubcf8 4 \uc2a4\ub808\ub4dc \ud480\uc5d0 \ub358\uc9c4\ub2e4.<\/li>\n<\/ul>\n\n<p>\uadf8\ub798\uc11c &#8220;Node \ub294 \ub2e8\uc77c \uc2a4\ub808\ub4dc&#8221; \uac00 100% \ub9de\ub294 \ub9d0\uc740 \uc544\ub2c8\ub2e4. <strong>\uc790\ubc14\uc2a4\ud06c\ub9bd\ud2b8 \ucf54\ub4dc\ub294 \ub2e8\uc77c \uc2a4\ub808\ub4dc, libuv \uc758 \ubc31\uc5d4\ub4dc\ub294 \uba40\ud2f0 \uc2a4\ub808\ub4dc<\/strong>. \uc790\ubc14\uc2a4\ud06c\ub9bd\ud2b8 \uac1c\ubc1c\uc790\ub294 \uadf8 \ucc28\uc774\ub97c \uc758\uc2dd\ud560 \ud544\uc694 \uc5c6\uc774 \ucf5c\ubc31\u00b7Promise \ub85c \ubc1b\uae30\ub9cc \ud55c\ub2e4.<\/p>\n\n<h2>5. \uc2e4\uc804 \u2014 \uc774\ubca4\ud2b8 \ub8e8\ud504 \ub9c9\uc9c0 \ub9c8\ub77c<\/h2>\n\n<p>\uc774\ub860\uc744 \uc54c\uba74 \uc2e4\uc218\uac00 \uc904\uc5b4\ub4e0\ub2e4. <strong>\uc774\ubca4\ud2b8 \ub8e8\ud504 \ube14\ub85c\ud0b9<\/strong> = Node \uc11c\ubc84 \uc8fd\uc774\uae30.<\/p>\n\n<div class=\"warnbox\">\n<strong>\ud53c\ud574\uc57c \ud560 \ud328\ud134 3\uac00\uc9c0<\/strong> \u2014 \u2460 \ud070 \ub3d9\uae30 \uc791\uc5c5: <code>JSON.parse(\uac70\ub300\ubb38\uc790\uc5f4)<\/code>\u00b7<code>bcrypt.hashSync<\/code>\u00b7<code>readFileSync<\/code> \uac19\uc774 \uc2dc\uac04 \uc624\ub798 \uac78\ub9ac\ub294 \ub3d9\uae30 \ud568\uc218. \ud55c \uc694\uccad\uc774 1\ucd08 \ub3d9\uc548 \ud050\ub97c \ub9c9\uc73c\uba74 \ub2e4\ub978 1000\uac1c \uc694\uccad\ub3c4 1\ucd08 \ub2a6\uc5b4\uc9c4\ub2e4. \u2461 \ubb34\ud55c \ub8e8\ud504\u00b7\uc7ac\uadc0: \uba85\ubc31\ud55c \uc0ac\uace0. \u2462 CPU \ube61\uc13c \uacc4\uc0b0\uc744 \uba54\uc778 \uc2a4\ub808\ub4dc\uc5d0\uc11c: \uc774\ubbf8\uc9c0 \ubcc0\ud658\u00b7\uc554\ud638\ud654 \ub300\ub7c9\u00b7\uba38\uc2e0\ub7ec\ub2dd \ucd94\ub860\uc740 <code>worker_threads<\/code> \ub85c \ubcc4\ub3c4 \uc2a4\ub808\ub4dc\uc5d0.\n<\/div>\n\n<p>\uc810\uac80 \ubc29\ubc95 \u2014 Node 22 \ubd80\ud130 <code>--cpu-prof<\/code> \ud50c\ub798\uadf8\ub85c \ud504\ub85c\ud30c\uc77c\uc744 \ub730 \uc218 \uc788\ub2e4. 30\ucd08 \uc6b4\uc601 \ud6c4 \uacb0\uacfc\ub97c Chrome DevTools \uc758 Performance \ud0ed\uc5d0 \ub04c\uc5b4\ub2e4 \ub450\uba74 \uc5b4\ub514\uc11c \uc2dc\uac04\uc774 \uc0c8\ub294\uc9c0 \uc2dc\uac01\ud654.<\/p>\n\n<h3>\uc694\uc57d \u2014 8\ud3b8 \uc88c\ud45c<\/h3>\n\n<p>\uc5ec\uae30\uae4c\uc9c0 \uc815\ub9ac. Node \uc758 \uc2ec\uc7a5\uc740 <strong>\uc774\ubca4\ud2b8 \ub8e8\ud504 + libuv<\/strong>. \uc774\ubca4\ud2b8 \ub8e8\ud504\ub294 6 phase \ub97c \uc21c\ud658, \uac01 phase \uc0ac\uc774\uc5d0 Microtask Queue (Promise) \uac00 \ud1b5\uc9f8\ub85c \ube44\uc6cc\uc9d0. \uc790\ubc14\uc2a4\ud06c\ub9bd\ud2b8\ub294 \ub2e8\uc77c \uc2a4\ub808\ub4dc\uc9c0\ub9cc libuv \uac00 OS \ube44\ub3d9\uae30 API \u00b7 \uc2a4\ub808\ub4dc \ud480\ub85c \uc2e4\uc81c I\/O \ub97c \ucc98\ub9ac. <strong>\uc774\ubca4\ud2b8 \ub8e8\ud504\ub97c \ub9c9\ub294 \ud070 \ub3d9\uae30 \uc791\uc5c5\uc740 \uc808\ub300 \uae08\uc9c0<\/strong> \u2014 \uadf8 \ud55c \uc904\uc5d0 \uc11c\ubc84 \uc804\uccb4\uac00 \ub290\ub824\uc9c4\ub2e4. \ub2e4\uc74c \ud3b8\uc5d0\uc11c \ube44\ub3d9\uae30 \ub2e4\ub8e8\ub294 \ubb38\ubc95 \u2014 <strong>\ucf5c\ubc31 \u2192 Promise \u2192 async\/await<\/strong> \uc9c4\ud654\uc0ac\ub97c \ubcf8\ub2e4.<\/p>\n\n<div class=\"cta\">\n<h3>\ub2e4\uc74c \ud3b8 \uc608\uace0 \u2014 \ube44\ub3d9\uae30 \ud328\ud134 \uc815\ub9ac<\/h3>\n<p>\ucf5c\ubc31 \u2192 Promise \u2192 async\/await \uc790\ubc14\uc2a4\ud06c\ub9bd\ud2b8 \ube44\ub3d9\uae30 \uc9c4\ud654\uc0ac. 9\ud3b8.<\/p>\n<\/div>\n\n<div class=\"footer-nav\">\n\uc2dc\ub9ac\uc988 \u00b7 <a href=\"https:\/\/junai.ai\/blog\/category\/nodejs\/\">\uc27d\uac8c \ubc30\uc6b0\ub294 Node.js<\/a> \u00b7 \uc774\uc804: <a href=\"https:\/\/junai.ai\/blog\/nodejs-path-os-7\/\">Ch.7 path \uc640 os<\/a>\n<\/div>\n\n<\/article>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Node \uc774\ubca4\ud2b8 \ub8e8\ud504 \u2014 Call Stack\u00b7Macrotask\u00b7Microtask\u00b7libuv 6\ub2e8\uacc4\uac00 \ub3c4\ub294 \ubc29\uc2dd. \ube44\ub3d9\uae30 \uc815\uccb4. \uad50\uc7ac 8\ud3b8.<\/p>\n","protected":false},"author":1,"featured_media":828,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24],"tags":[],"class_list":["post-882","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nodejs"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/junai.ai\/blog\/wp-json\/wp\/v2\/posts\/882","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/junai.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/junai.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/junai.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/junai.ai\/blog\/wp-json\/wp\/v2\/comments?post=882"}],"version-history":[{"count":0,"href":"https:\/\/junai.ai\/blog\/wp-json\/wp\/v2\/posts\/882\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/junai.ai\/blog\/wp-json\/wp\/v2\/media\/828"}],"wp:attachment":[{"href":"https:\/\/junai.ai\/blog\/wp-json\/wp\/v2\/media?parent=882"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/junai.ai\/blog\/wp-json\/wp\/v2\/categories?post=882"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/junai.ai\/blog\/wp-json\/wp\/v2\/tags?post=882"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}