perf: Improve network request performance (#7636)

* perf: Improve fetch

* CHANGELOG

* lifo

CHANGELOG.md

@@ -16,6 +16,8 @@
 - ジョブキューウィジェットに警報音を鳴らす設定を追加
 - UIデザインの調整
 - データベースのインデックスを最適化
+- Proxy使用時にKeep-Aliveをサポート
+- DNSキャッシュでネガティブキャッシュをサポート
 
 ### Bugfixes
 - Renoteされた時刻が投稿された時刻のように表示される問題を修正

package.json

@@ -116,6 +116,7 @@
 		"blurhash": "1.1.3",
 		"broadcast-channel": "3.7.0",
 		"bull": "3.26.0",
+		"cacheable-lookup": "6.0.0",
 		"cafy": "15.2.1",
 		"cbor": "8.0.0",
 		"chalk": "4.1.2",
@@ -147,10 +148,9 @@
 		"gulp-terser": "2.0.1",
 		"gulp-tslint": "8.1.4",
 		"hard-source-webpack-plugin": "0.13.1",
+		"hpagent": "0.1.2",
 		"html-minifier": "4.0.0",
-		"http-proxy-agent": "4.0.1",
 		"http-signature": "1.3.5",
-		"https-proxy-agent": "5.0.0",
 		"idb-keyval": "5.1.3",
 		"insert-text-at-cursor": "0.3.0",
 		"is-root": "2.1.0",
@@ -172,7 +172,6 @@
 		"koa-slow": "2.1.0",
 		"koa-views": "7.0.1",
 		"langmap": "0.0.16",
-		"lookup-dns-cache": "2.1.0",
 		"markdown-it": "12.2.0",
 		"markdown-it-anchor": "7.1.0",
 		"matter-js": "0.17.1",

src/@types/lookup-dns-cache.d.ts

@@ -1,9 +0,0 @@
-declare module 'lookup-dns-cache' {
-	import { LookupOneOptions, LookupAllOptions, LookupOptions, LookupAddress } from 'dns';
-
-	function lookup(hostname: string, family: number, callback: (err: NodeJS.ErrnoException | null, address: string, family: number) => void): void;
-	function lookup(hostname: string, options: LookupOneOptions, callback: (err: NodeJS.ErrnoException | null, address: string, family: number) => void): void;
-	function lookup(hostname: string, options: LookupAllOptions, callback: (err: NodeJS.ErrnoException | null, addresses: LookupAddress[]) => void): void;
-	function lookup(hostname: string, options: LookupOptions, callback: (err: NodeJS.ErrnoException | null, address: string | LookupAddress[], family: number) => void): void;
-	function lookup(hostname: string, callback: (err: NodeJS.ErrnoException | null, address: string, family: number) => void): void;
-}

src/misc/fetch.ts

@@ -1,9 +1,8 @@
 import * as http from 'http';
 import * as https from 'https';
-import * as cache from 'lookup-dns-cache';
+import CacheableLookup from 'cacheable-lookup';
 import fetch, { HeadersInit } from 'node-fetch';
-import { HttpProxyAgent } from 'http-proxy-agent';
+import { HttpProxyAgent, HttpsProxyAgent } from 'hpagent';
-import { HttpsProxyAgent } from 'https-proxy-agent';
 import config from '@/config';
 import { URL } from 'url';
 
@@ -49,6 +48,12 @@ export async function getHtml(url: string, accept = 'text/html, */*', timeout =
 	return await res.text();
 }
 
+const cache = new CacheableLookup({
+	maxTtl: 3600,	// 1hours
+	errorTtl: 30,	// 30secs
+	lookup: false,	// nativeのdns.lookupにfallbackしない
+});
+
 /**
  * Get http non-proxy agent
  */
@@ -65,20 +70,36 @@ const _https = new https.Agent({
 	keepAlive: true,
 	keepAliveMsecs: 30 * 1000,
 	lookup: cache.lookup,
-});
+} as https.AgentOptions);
+
+const maxSockets = Math.max(256, config.deliverJobConcurrency || 128);
 
 /**
  * Get http proxy or non-proxy agent
  */
 export const httpAgent = config.proxy
-	? new HttpProxyAgent(config.proxy)
+	? new HttpProxyAgent({
+		keepAlive: true,
+		keepAliveMsecs: 30 * 1000,
+		maxSockets,
+		maxFreeSockets: 256,
+		scheduling: 'lifo',
+		proxy: config.proxy
+	})
 	: _http;
 
 /**
  * Get https proxy or non-proxy agent
  */
 export const httpsAgent = config.proxy
-	? new HttpsProxyAgent(config.proxy)
+	? new HttpsProxyAgent({
+		keepAlive: true,
+		keepAliveMsecs: 30 * 1000,
+		maxSockets,
+		maxFreeSockets: 256,
+		scheduling: 'lifo',
+		proxy: config.proxy
+	})
 	: _https;
 
 /**

yarn.lock

@@ -2187,13 +2187,6 @@ async-settle@^1.0.0:
   dependencies:
     async-done "^1.2.2"
 
-async@2.6.0:
-  version "2.6.0"
-  resolved "https://registry.yarnpkg.com/async/-/async-2.6.0.tgz#61a29abb6fcc026fea77e56d1c6ec53a795951f4"
-  integrity sha512-xAfGg1/NTLBBKlHFmnd7PlmUW9KhVQIUuSrYem9xzFUZy13ScvtyGGejaae9iAVRiRq9+Cx7DPFaAAhCpyxyPw==
-  dependencies:
-    lodash "^4.14.0"
-
 async@>=0.2.9:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/async/-/async-3.2.0.tgz#b3a2685c5ebb641d3de02d161002c60fc9f85720"
@@ -2688,6 +2681,11 @@ cache-content-type@^1.0.0:
     mime-types "^2.1.18"
     ylru "^1.2.0"
 
+cacheable-lookup@6.0.0:
+  version "6.0.0"
+  resolved "https://registry.yarnpkg.com/cacheable-lookup/-/cacheable-lookup-6.0.0.tgz#6fd7e364a0929ee50af00843aaf6e31b9b9f200e"
+  integrity sha512-5qeyMn8/BERrUPdIfcOLkdMrwltVbxIpgnYM61OLWOg3BuSSh9HrkUtTTRxYthQpBrocvYqD0tJ7vU0y6T7OWw==
+
 cacheable-lookup@^5.0.3:
   version "5.0.3"
   resolved "https://registry.yarnpkg.com/cacheable-lookup/-/cacheable-lookup-5.0.3.tgz#049fdc59dffdd4fc285e8f4f82936591bd59fec3"
@@ -5729,6 +5727,11 @@ hosted-git-info@^2.1.4:
   resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.8.8.tgz#7539bd4bc1e0e0a895815a2e0262420b12858488"
   integrity sha512-f/wzC2QaWBs7t9IYqB4T3sR1xviIViXJRJTWBlx2Gf3g0Xi5vI7Yy4koXQ1c9OYDGHN9sBy1DQ2AB8fqZBWhUg==
 
+hpagent@0.1.2:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/hpagent/-/hpagent-0.1.2.tgz#cab39c66d4df2d4377dbd212295d878deb9bdaa9"
+  integrity sha512-ePqFXHtSQWAFXYmj+JtOTHr84iNrII4/QRlAAPPE+zqnKy4xJo7Ie1Y4kC7AdB+LxLxSTTzBMASsEcy0q8YyvQ==
+
 hpagent@^0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/hpagent/-/hpagent-0.1.1.tgz#66f67f16e5c7a8b59a068e40c2658c2c749ad5e2"
@@ -5827,7 +5830,7 @@ http-headers@^3.0.1:
   dependencies:
     next-line "^1.1.0"
 
-http-proxy-agent@4.0.1, http-proxy-agent@^4.0.1:
+http-proxy-agent@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/http-proxy-agent/-/http-proxy-agent-4.0.1.tgz#8a8c8ef7f5932ccf953c296ca8291b95aa74aa3a"
   integrity sha512-k0zdNgqWTGA6aeIRVpvfVob4fL52dTfaehylg0Y4UvSySvOq/Y+BOyPrgpUrA7HylqvU8vIZGsRuXmspskV0Tg==
@@ -5869,7 +5872,7 @@ http_ece@1.1.0:
   dependencies:
     urlsafe-base64 "~1.0.0"
 
-https-proxy-agent@5.0.0, https-proxy-agent@^5.0.0:
+https-proxy-agent@^5.0.0:
   version "5.0.0"
   resolved "https://registry.yarnpkg.com/https-proxy-agent/-/https-proxy-agent-5.0.0.tgz#e2a90542abb68a762e0a0850f6c9edadfd8506b2"
   integrity sha512-EkYm5BcKUGiduxzSt3Eppko+PiNWNEpa4ySk9vTC6wDsQJW9rHSa+UhGNJoRYp7bz6Ht1eaRIa6QaJqO5rCFbA==
@@ -7253,7 +7256,7 @@ lodash.uniq@^4.5.0:
   resolved "https://registry.yarnpkg.com/lodash.uniq/-/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
   integrity sha1-0CJTc662Uq3BvILklFM5qEJ1R3M=
 
-lodash@^4.14.0, lodash@^4.15.0, lodash@^4.17.10, lodash@^4.17.14, lodash@^4.17.19, lodash@^4.17.21, lodash@^4.7.0:
+lodash@^4.15.0, lodash@^4.17.14, lodash@^4.17.19, lodash@^4.17.21, lodash@^4.7.0:
   version "4.17.21"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
   integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
@@ -7283,15 +7286,6 @@ log-update@^4.0.0:
     slice-ansi "^4.0.0"
     wrap-ansi "^6.2.0"
 
-lookup-dns-cache@2.1.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/lookup-dns-cache/-/lookup-dns-cache-2.1.0.tgz#6362340e269071e20b6f0bcf51da98873411e051"
-  integrity sha512-tLcJ7rkqWzZ77D7pN5R2ceWKZsIJ5/6HaLQdmhw3M9fBQQmqS4LZqvBcstKzQ6kuZet5LY4TWTiShx7QmO+Q8w==
-  dependencies:
-    async "2.6.0"
-    lodash "^4.17.10"
-    rr "0.1.0"
-
 lower-case@^1.1.1:
   version "1.1.4"
   resolved "https://registry.yarnpkg.com/lower-case/-/lower-case-1.1.4.tgz#9a2cabd1b9e8e0ae993a4bf7d5875c39c42e8eac"
@@ -10134,11 +10128,6 @@ rndstr@1.0.0:
     rangestr "0.0.1"
     seedrandom "2.4.2"
 
-rr@0.1.0:
-  version "0.1.0"
-  resolved "https://registry.yarnpkg.com/rr/-/rr-0.1.0.tgz#a18ec25ec94a67c35f210bb3a85d17914e79cd1e"
-  integrity sha1-oY7CXslKZ8NfIQuzqF0XkU55zR4=
-
 rsvp@^4.8.5:
   version "4.8.5"
   resolved "https://registry.yarnpkg.com/rsvp/-/rsvp-4.8.5.tgz#c8f155311d167f68f21e168df71ec5b083113734"