From 3ae883885d5f930c42eb9b79c8eec7c0f6113093 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andrea=20Zucchini=20Garc=C3=ADa?= Date: Fri, 6 Apr 2018 22:33:23 +0200 Subject: [PATCH] create performance playground --- .gitignore | 2 + README.md | 3 + package-lock.json | 1633 +++++++++++++++++++++++++++- package.json | 7 +- src/app.js | 1 - src/index.js | 7 - src/performance/app.js | 23 + src/performance/cluster.js | 14 + src/{ => performance}/eventLoop.js | 24 +- 9 files changed, 1628 insertions(+), 86 deletions(-) create mode 100644 README.md delete mode 100644 src/app.js delete mode 100644 src/index.js create mode 100644 src/performance/app.js create mode 100644 src/performance/cluster.js rename src/{ => performance}/eventLoop.js (59%) diff --git a/.gitignore b/.gitignore index 2a87748..3d63464 100644 --- a/.gitignore +++ b/.gitignore @@ -1,3 +1,5 @@ +isolate*.log +flamegraph.html .idea # Logs logs diff --git a/README.md b/README.md new file mode 100644 index 0000000..5da4a63 --- /dev/null +++ b/README.md @@ -0,0 +1,3 @@ +### Performance section + +See package.json scripts section \ No newline at end of file diff --git a/package-lock.json b/package-lock.json index 612bf5b..64df347 100644 --- a/package-lock.json +++ b/package-lock.json @@ -126,6 +126,12 @@ } } }, + "abbrev": { + "version": "1.1.1", + "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.1.1.tgz", + "integrity": "sha512-nne9/IiQ/hzIhY6pdDnbBtz7DjPTKrY00P/zvPSm5pOFkl6xuGrGnXn/VtTNNfNtAfZ9/1RtehkszU9qcTii0Q==", + "dev": true + }, "accepts": { "version": "1.3.5", "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.5.tgz", @@ -246,6 +252,12 @@ "integrity": "sha512-L3hKV5R/p5o81R7O02IGnwpDmkp6E982XhtbuwSe3O4qOtMMMtodicASA1Cny2U+aCXcNpml+m4dPsvsJ3jatg==", "dev": true }, + "arr-union": { + "version": "3.1.0", + "resolved": "https://registry.npmjs.org/arr-union/-/arr-union-3.1.0.tgz", + "integrity": "sha1-45sJrqne+Gao8gbiiK9jkZuuOcQ=", + "dev": true + }, "array-differ": { "version": "1.0.0", 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"to-object-path": "0.3.0" + } + } + } + }, "uniq": { "version": "1.0.1", "resolved": "https://registry.npmjs.org/uniq/-/uniq-1.0.1.tgz", @@ -5742,12 +7192,64 @@ "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz", "integrity": "sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw=" }, + "unset-value": { + "version": "1.0.0", + "resolved": "https://registry.npmjs.org/unset-value/-/unset-value-1.0.0.tgz", + "integrity": "sha1-g3aHP30jNRef+x5vw6jtDfyKtVk=", + "dev": true, + "requires": { + "has-value": "0.3.1", + "isobject": "3.0.1" + }, + "dependencies": { + "has-value": { + "version": "0.3.1", + "resolved": "https://registry.npmjs.org/has-value/-/has-value-0.3.1.tgz", + "integrity": "sha1-ex9YutpiyoJ+wKIHgCVlSEWZXh8=", + "dev": true, + "requires": { + "get-value": "2.0.6", + "has-values": "0.1.4", + "isobject": "2.1.0" + }, + "dependencies": { + "isobject": { + "version": "2.1.0", + "resolved": "https://registry.npmjs.org/isobject/-/isobject-2.1.0.tgz", + "integrity": 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"https://registry.npmjs.org/update-notifier/-/update-notifier-2.4.0.tgz", @@ -5766,6 +7268,12 @@ "xdg-basedir": "3.0.0" } }, + "urix": { + "version": "0.1.0", + "resolved": "https://registry.npmjs.org/urix/-/urix-0.1.0.tgz", + "integrity": "sha1-2pN/emLiH+wf0Y1Js1wpNQZ6bHI=", + "dev": true + }, "url-parse-lax": { "version": "1.0.0", "resolved": "https://registry.npmjs.org/url-parse-lax/-/url-parse-lax-1.0.0.tgz", @@ -5775,6 +7283,23 @@ "prepend-http": "1.0.4" } }, + "use": { + "version": "3.1.0", + "resolved": "https://registry.npmjs.org/use/-/use-3.1.0.tgz", + "integrity": "sha512-6UJEQM/L+mzC3ZJNM56Q4DFGLX/evKGRg15UJHGB9X5j5Z3AFbgZvjUh2yq/UJUY4U5dh7Fal++XbNg1uzpRAw==", + "dev": true, + "requires": { + "kind-of": "6.0.2" + }, + "dependencies": { + "kind-of": { + "version": "6.0.2", + "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-6.0.2.tgz", + "integrity": "sha512-s5kLOcnH0XqDO+FvuaLX8DDjZ18CGFk7VygH40QoKPUQhW4e2rvM0rwUq0t8IQDOwYSeLK01U90OjzBTme2QqA==", + "dev": true + } + } + }, "util-deprecate": { "version": "1.0.2", "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz", diff --git a/package.json b/package.json index 5204f69..78cbfb1 100644 --- a/package.json +++ b/package.json @@ -4,7 +4,11 @@ "description": "Learning nodejs", "main": "index.js", "scripts": { - "test": "npm test" + "test": "npm test", + "one-process": "node src/performance/app.js", + "cluster": "node src/performance/cluster.js", + "v8-profile": "rm isolate*.log && node --prof src/performance/app.js", + "v8-graph": "node --prof-process --preprocess -j isolate*.log | npx flamebearer" }, "repository": { "type": "git", @@ -21,6 +25,7 @@ "homepage": "https://github.com/xeitodevs/nodejs-immersion#readme", "devDependencies": { "ava": "^0.25.0", + "nodemon": "^1.17.3", "standard": "^11.0.1" }, "dependencies": { diff --git a/src/app.js b/src/app.js deleted file mode 100644 index 9675a1a..0000000 --- a/src/app.js +++ /dev/null @@ -1 +0,0 @@ -const app = require('express') diff --git a/src/index.js b/src/index.js deleted file mode 100644 index 7b697e4..0000000 --- a/src/index.js +++ /dev/null @@ -1,7 +0,0 @@ -'use strict' - -const eventLoop = require('./eventLoop') - -eventLoop.startLoggingPerformance() -eventLoop.requestOverload() - diff --git a/src/performance/app.js b/src/performance/app.js new file mode 100644 index 0000000..85614cb --- /dev/null +++ b/src/performance/app.js @@ -0,0 +1,23 @@ +const express = require('express') +const axios = require('axios') +const app = express() +const { startLoggingPerformance } = require('./eventLoop') +app.get('/cpu-bound', function (req, res) { + for (let i = 0; i < 1e7; i++); + res.send(`end task`) +}) + +app.get('/io-bound', async function (req, res) { + try { + await axios.get('https://jsonplaceholder.typicode.com/posts'); + } catch (err) { + + } + res.send(`end task`) +}) + +app.listen(3000, function () { + startLoggingPerformance() + console.log('Example app listening on port 3000!') +}) + diff --git a/src/performance/cluster.js b/src/performance/cluster.js new file mode 100644 index 0000000..281c44b --- /dev/null +++ b/src/performance/cluster.js @@ -0,0 +1,14 @@ +'use strict' +const cluster = require('src/performance/cluster') +const os = require('os') + +if (cluster.isMaster) { + const cpus = os.cpus().length + + console.log(`Forking for ${cpus} CPUs`) + for (let i = 0; i < cpus; i++) { + cluster.fork() + } +} else { + require('./app') +} \ No newline at end of file diff --git a/src/eventLoop.js b/src/performance/eventLoop.js similarity index 59% rename from src/eventLoop.js rename to src/performance/eventLoop.js index 9504fd0..0587091 100644 --- a/src/eventLoop.js +++ b/src/performance/eventLoop.js @@ -1,6 +1,5 @@ 'use strict' -const axios = require('axios') const Heavy = require('heavy') const fs = require('fs') @@ -15,7 +14,6 @@ function logIfAboveThreshold (heavy) { if (!heavy || !heavy.load) { return } - if (heavy.load.eventLoopDelay > eventLoopThreshold) { const { eventLoopDelay, heapUsed, rss } = heavy.load console.log(JSON.stringify({ @@ -29,24 +27,6 @@ function logIfAboveThreshold (heavy) { let interval -const urls = [ - 'http://85.91.64.26/coruna/readImage.asp', - 'http://85.91.64.26/tvg/readImage.asp' -] - -async function request () { - for (const url of urls) { - let http = await axios.get(url) - } -} - -async function requestOverload () { - while (true) { - const data = axios.get('http://localhost:3000/issues/tree') - fs.writeFileSync('/tmp/sample', fs.readFileSync('/dev/zero'), {flag: 'a'}) - } -} - function startLoggingPerformance () { heavy.start() if (interval) { @@ -56,7 +36,5 @@ function startLoggingPerformance () { } module.exports = { - startLoggingPerformance, - requestOverload, - request + startLoggingPerformance }