Problem after upgrade to Angular 12 - reached heap limit allocation failed - JavaScript heap out of memory

[splincode]

🐞 Bug report

Command (mark with an x)

• new
• build
• serve
• test
• e2e
• generate
• add
• update
• lint
• extract-i18n
• run
• config
• help
• version
• doc

Is this a regression?

Yes

Description

After upgrade to Angular 12 I have problem!

When run ng build afd-ui --configuration production:

⠦ Generating browser application bundles (phase: sealing)...
<--- Last few GCs --->

[22952:0x5273b40]   164707 ms: Mark-sweep (reduce) 2029.6 (2082.5) -> 2029.0 (2083.0) MB, 3528.2 / 0.1 ms  (average mu = 0.106, current mu = 0.012) allocation failure scavenge might not succeed
[22952:0x5273b40]   168431 ms: Mark-sweep (reduce) 2030.0 (2083.0) -> 2029.8 (2083.8) MB, 3716.5 / 0.2 ms  (average mu = 0.058, current mu = 0.002) allocation failure scavenge might not succeed


<--- JS stacktrace --->

FATAL ERROR: Reached heap limit Allocation failed - JavaScript heap out of memory

Writing Node.js report to file: ./report.json
Node.js report completed
 1: 0xb200e0 node::Abort() [ng build afd-ui --configuration production]
 2: 0xa3c157 node::FatalError(char const*, char const*) [ng build afd-ui --configuration production]
 3: 0xd083ae v8::Utils::ReportOOMFailure(v8::internal::Isolate*, char const*, bool) [ng build afd-ui --configuration production]
 4: 0xd08727 v8::internal::V8::FatalProcessOutOfMemory(v8::internal::Isolate*, char const*, bool) [ng build afd-ui --configuration production]
 5: 0xee9785  [ng build afd-ui --configuration production]
 6: 0xef84b5 v8::internal::Heap::CollectGarbage(v8::internal::AllocationSpace, v8::internal::GarbageCollectionReason, v8::GCCallbackFlags) [ng build afd-ui --configuration production]
 7: 0xefb5ac v8::internal::Heap::AllocateRawWithRetryOrFailSlowPath(int, v8::internal::AllocationType, v8::internal::AllocationOrigin, v8::internal::AllocationAlignment) [ng build afd-ui --configuration production]
 8: 0xec000c v8::internal::Factory::NewFillerObject(int, bool, v8::internal::AllocationType, v8::internal::AllocationOrigin) [ng build afd-ui --configuration production]
 9: 0x123695b v8::internal::Runtime_AllocateInYoungGeneration(int, unsigned long*, v8::internal::Isolate*) [ng build afd-ui --configuration production]
10: 0x1640819  [ng build afd-ui --configuration production]
error Command failed with signal "SIGABRT".

🔬 Minimal Reproduction

report.json

{
  "header": {
    "reportVersion": 2,
    "event": "Allocation failed - JavaScript heap out of memory",
    "trigger": "FatalError",
    "filename": "./report.json",
    "dumpEventTime": "2021-07-13T15:33:37Z",
    "dumpEventTimeStamp": "1626179617583",
    "processId": 22952,
    "threadId": null,
    "cwd": "/home/jenkins/workspace/afd-ui (deployments)/afd-ui (deploy-prod)",
    "commandLine": [
      "/usr/bin/node",
      "--report-uncaught-exception",
      "--report-on-fatalerror",
      "--report-on-signal",
      "--report-signal=SIGUSR2",
      "--report-filename=./report.json",
      "--report-directory=./",
      "./node_modules/@angular/cli/bin/ng",
      "build",
      "afd-ui",
      "--configuration",
      "production"
    ],
    "nodejsVersion": "v16.4.1",
    "glibcVersionRuntime": "2.17",
    "glibcVersionCompiler": "2.17",
    "wordSize": 64,
    "arch": "x64",
    "platform": "linux",
    "componentVersions": {
      "node": "16.4.1",
      "v8": "9.1.269.36-node.14",
      "uv": "1.41.0",
      "zlib": "1.2.11",
      "brotli": "1.0.9",
      "ares": "1.17.1",
      "modules": "93",
      "nghttp2": "1.42.0",
      "napi": "8",
      "llhttp": "6.0.2",
      "openssl": "1.1.1k+quic",
      "cldr": "39.0",
      "icu": "69.1",
      "tz": "2021a",
      "unicode": "13.0",
      "ngtcp2": "0.1.0-DEV",
      "nghttp3": "0.1.0-DEV"
    },
    "release": {
      "name": "node",
      "headersUrl": "https://nodejs.org/download/release/v16.4.1/node-v16.4.1-headers.tar.gz",
      "sourceUrl": "https://nodejs.org/download/release/v16.4.1/node-v16.4.1.tar.gz"
    },
    "osName": "Linux",
    "osRelease": "3.10.0-862.9.1.el7.x86_64",
    "osVersion": "#1 SMP Wed Jun 27 04:30:39 EDT 2018",
    "osMachine": "x86_64",
    "cpus": [
      {
        "model": "Intel(R) Xeon(R) Platinum 8268 CPU @ 2.90GHz",
        "speed": 2893,
        "user": 137124100,
        "nice": 17100,
        "sys": 25943560,
        "idle": 29837736120,
        "irq": 0
      },
      {
        "model": "Intel(R) Xeon(R) Platinum 8268 CPU @ 2.90GHz",
        "speed": 2893,
        "user": 153947780,
        "nice": 18710,
        "sys": 33241860,
        "idle": 29802037250,
        "irq": 0
      },
      {
        "model": "Intel(R) Xeon(R) Platinum 8268 CPU @ 2.90GHz",
        "speed": 2893,
        "user": 156220870,
        "nice": 15590,
        "sys": 40419610,
        "idle": 29778659030,
        "irq": 0
      },
      {
        "model": "Intel(R) Xeon(R) Platinum 8268 CPU @ 2.90GHz",
        "speed": 2893,
        "user": 145164180,
        "nice": 19430,
        "sys": 32168820,
        "idle": 29823885050,
        "irq": 0
      }
    ],
    "networkInterfaces": [
      {
        "name": "lo",
        "internal": true,
        "mac": "00:00:00:00:00:00",
        "address": "127.0.0.1",
        "netmask": "255.0.0.0",
        "family": "IPv4"
      },
      {
        "name": "eth0",
        "internal": false,
        "mac": "00:50:56:96:a1:7b",
        "address": "10.217.11.131",
        "netmask": "255.255.255.0",
        "family": "IPv4"
      }
    ],
    "host": "ds-pr-afd-jenkins-agent-prod01.tcsbank.ru"
  },
  "javascriptStack": {
    "message": "No stack.",
    "stack": [
      "Unavailable."
    ],
    "errorProperties": {
    }
  },
  "javascriptHeap": {
    "totalMemory": 2184998912,
    "totalCommittedMemory": 2183313200,
    "usedMemory": 2128539896,
    "availableMemory": 15161304,
    "memoryLimit": 2197815296,
    "heapSpaces": {
      "read_only_space": {
        "memorySize": 176128,
        "committedMemory": 176128,
        "capacity": 168544,
        "used": 168544,
        "available": 0
      },
      "old_space": {
        "memorySize": 1972596736,
        "committedMemory": 1972358992,
        "capacity": 1929265336,
        "used": 1929032096,
        "available": 233240
      },
      "code_space": {
        "memorySize": 7184384,
        "committedMemory": 6965344,
        "capacity": 6540128,
        "used": 6490592,
        "available": 49536
      },
      "map_space": {
        "memorySize": 14163968,
        "committedMemory": 13966112,
        "capacity": 4940424,
        "used": 4940424,
        "available": 0
      },
      "large_object_space": {
        "memorySize": 189247488,
        "committedMemory": 189247488,
        "capacity": 187366192,
        "used": 187366192,
        "available": 0
      },
      "code_large_object_space": {
        "memorySize": 581632,
        "committedMemory": 581632,
        "capacity": 542048,
        "used": 542048,
        "available": 0
      },
      "new_large_object_space": {
        "memorySize": 0,
        "committedMemory": 0,
        "capacity": 1031072,
        "used": 0,
        "available": 1031072
      },
      "new_space": {
        "memorySize": 1048576,
        "committedMemory": 17504,
        "capacity": 1031072,
        "used": 0,
        "available": 1031072
      }
    }
  },
  "nativeStack": [
    {
      "pc": "0x0000000000ba36f4",
      "symbol": "report::TriggerNodeReport(v8::Isolate*, node::Environment*, char const*, char const*, std::string const&, v8::Local<v8::Value>) [ng build afd-ui --configuration production]"
    },
    {
      "pc": "0x0000000000a3c110",
      "symbol": "node::OnFatalError(char const*, char const*) [ng build afd-ui --configuration production]"
    },
    {
      "pc": "0x0000000000d083ae",
      "symbol": "v8::Utils::ReportOOMFailure(v8::internal::Isolate*, char const*, bool) [ng build afd-ui --configuration production]"
    },
    {
      "pc": "0x0000000000d08727",
      "symbol": "v8::internal::V8::FatalProcessOutOfMemory(v8::internal::Isolate*, char const*, bool) [ng build afd-ui --configuration production]"
    },
    {
      "pc": "0x0000000000ee9785",
      "symbol": " [ng build afd-ui --configuration production]"
    },
    {
      "pc": "0x0000000000ef84b5",
      "symbol": "v8::internal::Heap::CollectGarbage(v8::internal::AllocationSpace, v8::internal::GarbageCollectionReason, v8::GCCallbackFlags) [ng build afd-ui --configuration production]"
    },
    {
      "pc": "0x0000000000efb5ac",
      "symbol": "v8::internal::Heap::AllocateRawWithRetryOrFailSlowPath(int, v8::internal::AllocationType, v8::internal::AllocationOrigin, v8::internal::AllocationAlignment) [ng build afd-ui --configuration production]"
    },
    {
      "pc": "0x0000000000ec000c",
      "symbol": "v8::internal::Factory::NewFillerObject(int, bool, v8::internal::AllocationType, v8::internal::AllocationOrigin) [ng build afd-ui --configuration production]"
    },
    {
      "pc": "0x000000000123695b",
      "symbol": "v8::internal::Runtime_AllocateInYoungGeneration(int, unsigned long*, v8::internal::Isolate*) [ng build afd-ui --configuration production]"
    },
    {
      "pc": "0x0000000001640819",
      "symbol": " [ng build afd-ui --configuration production]"
    }
  ],
  "resourceUsage": {
    "userCpuSeconds": 296.744,
    "kernelCpuSeconds": 9.1827,
    "cpuConsumptionPercent": 182.099,
    "maxRss": 3018522624,
    "pageFaults": {
      "IORequired": 0,
      "IONotRequired": 1591298
    },
    "fsActivity": {
      "reads": 0,
      "writes": 0
    }
  },
  "uvthreadResourceUsage": {
    "userCpuSeconds": 139.996,
    "kernelCpuSeconds": 3.63459,
    "cpuConsumptionPercent": 85.4944,
    "fsActivity": {
      "reads": 0,
      "writes": 0
    }
  },
  "libuv": [
  ],
  "workers": [
  ],
  "environmentVariables": {
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    "npm_package_commitlint_rules_scope_enum_0": "2",
    "XDG_SESSION_ID": "510422",
    "npm_package_devDependencies__angular_cdk": "12.1.1",
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}

🔥 Exception or Error

see description

🌍 Your Environment

last Angular 12, Nx 12

[alan-agius4]

Please share the output of ng version and memory heap snapshots from version 11 and version 12.

1. node --inspect-brk node_modules/@angular/cli/lib/init.js build --configuration production
2. Open Chrome and type chrome://inspect in the address bar
3. Click on the inspect button from one of your applications in the Remote Target section.
4. Go to Chrome DevTools > Memory
5. Take a heap snapshot
6. Perform the action that causes OOM

[splincode]

@alan-agius4 done

v12

snapshot: https://drive.google.com/file/d/14syH_w8SBuYeZCXeRE9zu_MXFsRmvN2S/view?usp=sharing

v11

snapshot: https://drive.google.com/file/d/1cQxm-5hjsWuaLk-NnGsmzRzDPJAEbDmu/view?usp=sharing

[alan-agius4]

@splincode, please also provide the output of ng v. Thanks

[alan-agius4]

I suspected this is related to webpack/webpack#13550 and is the result of terser-webpack-plugin, which switched from forked processes to workers. Therefore, increase in memory usage in the main process is expected when using worker threads. This is because unlike forked processes worker thread are using same process. That being said, overall the memory consumption should be lower because there is no overhead from the extra forked processes. In which case you can increase the Node.JS process memory limit by using the max_old_space_size Node option.

{
  "scripts": {
    "ng": "node --max_old_space_size=4096 ./node_modules/.bin/ng"
  }
}

In the upcoming version 12.2, we removed we did several improvements to improve performance, one of which was to use esbuild to minify JS and CSS. Can you the snapshot version and see if this improves anything in your case?

[splincode]

I need install @angular-devkit/build-angular@12.2.0-next.1?

[alan-agius4]

I need install @angular-devkit/build-angular@12.2.0-next.1?

No, it hasn't been released on NPM yet. You need to install the snapshot version as described here https://github.com/angular/angular-devkit-build-angular-builds or wait for it to be available on NPM which should happen later on today and run ng update @angular/cli --next.

[splincode]

okey, I will wait

[WolfspiritM]

This seems to be a very common issue lately.
I've found many issues which describe similar problems. I'm also struggling the whole day with that problem.

Even with max_old_space_size set to 8GB it crashed with OOM error for me.

I've now tried the snapshot version by using the command recommended in that repository and it seems to have fixed it!
While the build always failed before, it does compile successfully now even without using max_old_space_size!

[alan-agius4]

@splincode 12.2.0-next.2 has been released. Can you please try to update using ng update @angular/cli —-next.

@WolfspiritM, glad to hear that the snapshot fixed your issue.

[rajjaiswalsaumya]

Not working even with this snapshot for us.

node --max-old-space-size=8192 ./node_modules/@angular/cli/bin/ng build --configuration production @sym-ui/sedr

"BuilderProgressSchema" schema is using the keyword "id" which its support is deprecated. Use "$id" for schema ID.
Building Angular Package

---

Building entry point '@sym-ui/sedr'

✖ Compiling with Angular in legacy View Engine compilation mode.
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! @sym-ui/sedr-app@0.0.1 build:lib:prod: node --max-old-space-size=8192 ./node_modules/@angular/cli/bin/ng build --configuration production @sym-ui/sedr
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the @sym-ui/sedr-app@0.0.1 build:lib:prod script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR! C:\Users\rg735009\AppData\Roaming\npm-cache_logs\2021-07-15T14_56_40_825Z-debug.log

ng v output

ng v

     _                      _                 ____ _     ___
    / \   _ __   __ _ _   _| | __ _ _ __     / ___| |   |_ _|
   / △ \ | '_ \ / _` | | | | |/ _` | '__|   | |   | |    | |
  / ___ \| | | | (_| | |_| | | (_| | |      | |___| |___ | |
 /_/   \_\_| |_|\__, |\__,_|_|\__,_|_|       \____|_____|___|
                |___/
    

Angular CLI: 12.2.0-next.2
Node: 12.22.3
Package Manager: npm 6.14.13
OS: win32 x64

Angular: 12.1.2
... animations, common, compiler, compiler-cli, core, forms
... language-service, platform-browser, platform-browser-dynamic
... router, upgrade

Package                         Version
---------------------------------------------------------
@angular-devkit/architect       0.1202.0-next.2
@angular-devkit/build-angular   12.2.0-next.2
@angular-devkit/core            12.2.0-next.2
@angular-devkit/schematics      12.2.0-next.2
@angular/cdk                    12.1.1
@angular/cli                    12.2.0-next.2
@schematics/angular             12.2.0-next.2
ng-packagr                      12.1.2
rxjs                            6.5.5
typescript                      4.3.5

[splincode]

@rajjaiswalsaumya please add memory snapshot

[alan-agius4]

@rajjaiswalsaumya, it appears that your issue is related to library builds which is not related to this issue.

[Tallyb]

It results from sourcemap generation (scripts: true)

[blueiceprj]

I use this option with npm. It will be fix your problem.
NG_PERSISTENT_BUILD_CACHE=1