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

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#125 2 comments 1 reaction 0 assignees View on GitHub

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Assessment

Difficulty
4/5
Estimated time
3-5 days
Newbie friendliness
25/100
Issue type
Bug
Clarity
Needs clarification
Activity status
Stale
Tech stack
javascript, webpack

Research direction

Start with the workerize-loader!../../workers/headerWorker import, the corresponding ../../workers/headerWorker module, and the supplied webpack build output; reproduce the heap failure with the TypeScript/React usage shown. Done means determining whether this loader usage is supported and documenting a reproducible fix or clear guidance.

Written by the indexing model from the issue text.

Description

Hi, I'm trying to use your package but I'm not able to make it work. If I remove my worker from the application compiles fine, once I uncomment the code I get the error message:

69% building 3094/3117 modules 23 active C:\Desarrollo\uiserpreco2\uiserpreco\node_modules\ts-loader\index.js!C:\Desarrollo\uiserpreco2\uiserpreco\src\app\components\Maintenance\Clients\ClientWizardRedirect.tsx
<--- Last few GCs --->

[7332:000001A3BF8073C0]   211369 ms: Mark-sweep (reduce) 2039.2 (2082.9) -> 2038.6 (2083.4) MB, 2201.3 / 0.0 ms  (average mu = 0.085, current mu = 0.013) allocation failure scavenge might not succeed
[7332:000001A3BF8073C0]   213807 ms: Mark-sweep (reduce) 2039.7 (2083.4) -> 2038.9 (2083.9) MB, 2432.5 / 0.0 ms  (average mu = 0.046, current mu = 0.002) allocation failure scavenge might not succeed


<--- JS stacktrace --->

FATAL ERROR: Reached heap limit Allocation failed - JavaScript heap out of memory
 1: 00007FF6D0B9BD2F v8::internal::CodeObjectRegistry::~CodeObjectRegistry+112159
 2: 00007FF6D0B2CD66 v8::internal::WebSnapshotDeserializer::context_count+65430
 3: 00007FF6D0B2DC1D node::OnFatalError+301
 4: 00007FF6D1467BBE v8::Isolate::ReportExternalAllocationLimitReached+94
 5: 00007FF6D145283D v8::SharedArrayBuffer::Externalize+781
 6: 00007FF6D12D532C v8::internal::Heap::EphemeronKeyWriteBarrierFromCode+1468
 7: 00007FF6D12D2662 v8::internal::Heap::CollectGarbage+3778
 8: 00007FF6D12D01B5 v8::internal::Heap::AllocateExternalBackingStore+1909
 9: 00007FF6D12F35D1 v8::internal::Factory::NewFillerObject+209
10: 00007FF6D1023175 v8::internal::DateCache::Weekday+1349
11: 00007FF6D14EFF01 v8::internal::SetupIsolateDelegate::SetupHeap+472849
12: 000001A3C26AA381

I'm using your package with path, not with webpack. And I'm using it like this:

I'm importing the worker in my class component like this:

import createFooWorker from 'workerize-loader!../../workers/headerWorker';
import * as headerWorker from '../../workers/headerWorker';
const workerHeader = createFooWorker<typeof headerWorker>();

and I'm using it like this:

componentWillUnmount() {
    workerHeader.terminate();
}

async handleCreateExcel() {
    const { excelData } = this.state;
    await workerHeader.getExcelData(excelData);
}

async getNotifications(emitLang = false) {
        if (!this.searchingNotifications) {
            this.searchingNotifications = true;
            updateTaskGridObs.send();
            await workerHeader.getNotifications().then((response: any) => {
                this.setState(
                    {
                        notifications: is.existy(response) && hasItems(response.Result) ? response.Result : [],
                    },
                    () => {
                        this.searchingNotifications = false;
                        if (emitLang) this.props.i18n.changeLanguage(this.state.selectedLang);
                    },
                );
            });
        }
}

I've defined the module package in my typings.d.ts like this (I've found this code looking the package isssues):

declare module 'workerize-loader!*' {
    type AnyFunction = (...args: any[]) => any;
    type Async<F extends AnyFunction> = (...args: Parameters<F>) => Promise<ReturnType<F>>;

    type Workerized<T> = Worker & { [K in keyof T]: T[K] extends AnyFunction ? Async<T[K]> : never };

    function createInstance<T>(): Workerized<T>;
    export = createInstance;
}

I've also tried to increase the memory with: SET NODE_OPTIONS=--max_old_space_size=8192, but didn't solve the problem.

I don't understand what I'm doing wrong,. any help will be apreciated. Thanks in advance

Dominant language
JavaScript
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Forks
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