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30877bb71f
Summary: When `maxWorkers` is high, there's a bug in `jest` that causes OOM kills. Unfortunately, CI is experiencing this as well as local. For now, the best solution is just reducing `maxWorkers`. Resolves: #1004
67 lines
1.9 KiB
JavaScript
67 lines
1.9 KiB
JavaScript
// REMARK: Jest is supposed to never exceed 50% maxWorkers by default. However,
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// there seems to be an issue with this in our Ubuntu-based workspaces.
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// If we don't limit it, then 100% CPU and high MEM usage is hit
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// unexpectedly, leading to OOM kills.
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//
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// SEE thread: https://github.com/coder/coder/pull/483#discussion_r829636583
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const maxWorkers = 2
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module.exports = {
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maxWorkers,
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projects: [
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{
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globals: {
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"ts-jest": {
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tsconfig: "./tsconfig.test.json",
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},
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},
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coverageReporters: ["text", "lcov"],
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displayName: "test",
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preset: "ts-jest",
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roots: ["<rootDir>"],
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setupFilesAfterEnv: ["./jest.setup.ts"],
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transform: {
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"^.+\\.tsx?$": "ts-jest",
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},
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testEnvironment: "jsdom",
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testRegex: "(/__tests__/.*|(\\.|/)(test|spec))\\.tsx?$",
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testPathIgnorePatterns: ["/node_modules/", "/__tests__/fakes", "/e2e/"],
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moduleDirectories: ["node_modules", "<rootDir>"],
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},
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{
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displayName: "lint",
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runner: "jest-runner-eslint",
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testMatch: ["<rootDir>/**/*.js", "<rootDir>/**/*.ts", "<rootDir>/**/*.tsx"],
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testPathIgnorePatterns: ["/out/", "/_jest/", "jest.config.js", "jest-runner.*.js"],
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},
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],
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collectCoverageFrom: [
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// included files
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"<rootDir>/**/*.ts",
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"<rootDir>/**/*.tsx",
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// excluded files
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"!<rootDir>/**/*.stories.tsx",
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"!<rootDir>/_jest/**/*.*",
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"!<rootDir>/api.ts",
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"!<rootDir>/coverage/**/*.*",
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"!<rootDir>/e2e/**/*.*",
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"!<rootDir>/jest-runner.eslint.config.js",
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"!<rootDir>/jest.config.js",
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"!<rootDir>/webpack.*.ts",
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"!<rootDir>/out/**/*.*",
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"!<rootDir>/storybook-static/**/*.*",
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],
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reporters: [
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"default",
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[
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"jest-junit",
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{
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suiteName: "Front-end Jest Tests",
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outputDirectory: "./test-results",
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outputName: "junit.xml",
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},
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],
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],
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}
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