Yes that. I ran into this problem as well, here's my experience with several of the alternatives discussed in this thread: Hope this is useful to someone and they don't have to spend a whole day on it like I did :smile: Can someone confirme this has been improved or fixed by 5.4.0? Thanks for the Memory(s) Part I - Medium Already on GitHub? - staging cache.idleTimeoutForInitialStore is the time period after which the initial cache storing should happen. serverless deploy --compile-concurrency 3, @j0k3r I can also confirm that setting the concurrency setting like described in #681 does do the trick in update 5.4.0. Is the workaround using the increased heap ok for you as long as there's no real fix? export NODE_OPTIONS=--max_old_space_size=8192, https://github.com/serverless/serverless/issues/6503, [3596:0000023D4893D380] 69695 ms: Mark-sweep 1385.0 (1418.9) -> 1385.0 (1418.9) MB, 171.4 / 0.0 ms (average mu = 0.232, current mu = 0.195) allocation failure GC in old space requested So what was the fix then? Make It Easy: How to solve JavaScript heap out of memory issue in Hi everyone, I have a serverless project with a lot of functions 75+. The caching plugin is in my common file for my webpack config. cache.idleTimeoutAfterLargeChanges is the time period after which the cache storing should happen when larger changes have been detected. To setup cache: // This makes all dependencies of this file - build dependencies, // By default webpack and loaders are build dependencies, # fallback to use "main" branch cache, requires GitLab Runner 13.4, # make sure that you don't run "npm ci" in this job or change default cache directory, # otherwise "npm ci" will prune cache files. Cache | webpack 14: 00007FF7B18C599D v8::internal::wasm::AsmType::Void+88237 webpack-dev-server and JavaScript heap out of memory #1433 - GitHub I endorse @dashmug's answer here. We were able to get round this issue setting a Node env variable on our cloud build server, and locally. The overall size of the project is a very small project, I run projects much bigger with webpack with the same loaders (and more stuff) and almost never fall on this heap errors (the last I remember was back on webpack 1), so I don't think the solution here should be focused on changing the loaders configurations, but on the way that serverless-webpack is executing webpack. cannot include dependencies not required by bundle (knex pg). It will become hidden in your post, but will still be visible via the comment's permalink. - subnet-031ce349810fb0f88 Time in milliseconds. Is this behaviour changeable? It has been running for hours non stop without any leaks. - subnet-031ce349810fb0f88 this is the watch config. ASP.NET is better suited for large and medium-sized organizations, whereas PHP is better equipped to serve start-ups and small-sized organizations. Name for the cache. I tried to increase the max_old_space_size but it still does not work. Track and log detailed timing information for individual cache items of type 'filesystem'. option that allows to configure if webpack is run in parallel or This fix will only improve memory usage when packaging many functions, anything under ~8 functions probably won't make a difference since they will be packaged concurrently. Maybe an option that allows to configure if webpack is run in parallel or sequentially. @andrewrothman The workaround that worked for my project is by turning off package.individually: true. Looking through the in-memory files at localhost:8080/webpack-dev-server, I can see that it's accumulated bundle after bundle, even with CleanWebpackPlugin (this is for a site that's supposed to have just one bundle): I've had some success just not using any pseudorandom hash names, and instead using something deterministic that will definitely be overwritten when the bundle is rebuilt, like bundle.[name].js. The issue is caused by a memory leak in postcss-loader. 7: 0x1003a628a v8::internal::Heap::RecomputeLimits(v8::internal::GarbageCollector) [/Users/konnorrogers/.asdf/installs/nodejs/14.17.2/bin/node] Here's my webpack: @Birowsky Thanks for the info . it that why its taking so long perhaps? - subnet-031ce349810fb0f88 I don't even understand why this is an issue here. 42 comments chavesgu commented on Jun 27, 2018 edited Operating System:macOS Node Version:v8.9.4 NPM Version:5.6.0 webpack Version:3.6.0 And those files keep increasing. V8 Ineffective mark-compacts near heap limit Allocation failed - Javascript heap out of memory --max_old_space_size= {MB} Node.js npm scripts Webpcak D n Gi C nh By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. key => (entries[key] = ['./source-map-install.js', slsw.lib.entries[key]]) // all files with a .ts or .tsx extension will be handled by ts-loader 0: builtin exit frame: parse(this=0x01c260e91a21 ,0x015b9a982201 ), FATAL ERROR: Ineffective mark-compacts near heap limit Allocation failed - JavaScript heap out of memory Once unpublished, all posts by konnorrogers will become hidden and only accessible to themselves. new webpack.DefinePlugin({ "global.GENTLY": false }) Defaults to webpack/lib to get all dependencies of webpack. - http: I got to 2.2.2, at which point my webpack config didn't work anymore. - subnet-0a5e882de1e95480b const { merge } = require('webpack-merge'); const common = require('./webpack.common.js'); main: ['babel-polyfill', './src/index.tsx']. I also had to roll back to an older webpack (4.46.0). 5: 00007FF6C676262F v8::internal::FatalProcessOutOfMemory+639 . My build is not passing through CI and I do not want to go back to https://github.com/prisma/serverless-plugin-typescript because it is using an outdated version of typescript and appears to be looking for maintainers. I was wrong about the caching plugin helping out. This behavior matches the log above: It crashed for you at the webpack step! Does anybody have any solutions to this problem? PS I'm only using 1 function (NestJS API) and I constantly run into memory issues. No memory leaks. One thing I would try is to use babel (and babel-loader) for transpiling Typescript instead of awesome-typescript-loader or ts-loader. - subnet-031ce349810fb0f88 I'm pretty swamped right now, I will try not to forget to create the example. If yes would it be okay for you if we'd provide a PR? stage: ${opt:stage,'local'} This requires copying data into smaller buffers and has a performance cost. Call it a day. It doesnt. When running JavaScript process using Node, you may see an error that stops the running process. How to fix JavaScript heap out of memory error when importing data to mongodb? - http: @dashmug as far as I remember fork-ts-checker-webpack-plugin compile typescript to javascript fast and spawn thread to check errors. The application is initially quiet big and due to a necessary modification, it got bigger and now I'm getting this error: The one liner below has worked for some. cache.version option is only available when cache.type is set to 'filesystem'. I very much appreciate the hard work that has gone into this open source project and thank all the contributors/maintainers, but this seems like a serious issue for using this plugin in production. I added this to the plugins array: That's it. @akleiber Is this a quite big project where it happens? How to solve JavaScript heap out of memory error staging: 3306 ], How can we prove that the supernatural or paranormal doesn't exist? cors: true, test: "npm install" heap out of memory If you run into this issue when installing a package with npm or yarn, you can bypass the memory limit temporarily by installing the package as follows: node --max-old-space-size=4096 $ (which npm) install -g nextawesomelib What does this error even mean? Here's the webpack configuration: The definitions for all 40 functions is too large to post, but I'll post an example: They pretty much all look the same, I've clipped out VPC, authorizer, and environment config. subnetIds: graphql: better optimization-wise, but webpack itself is invoked only once and does handler: functions/rest/routesHandler.alexa_qualify_location I still would want to package functions individually to get more optimized bundles but it is not my priority at the moment. local: ${ssm:/database/dev/password} mysqlPort: @HyperBrain https://github.com/HyperBrain is it necessary What I've found there is const division = parseInt(process.env.WORK_DIVISION, 10); which seems to control the amount of worker processes spawned for the plugin. Invoking webpack sequentially would IMO extend compile times extremely. Regardless of your IDE, the "JavaScript heap out of memory" fix is identical. That takes some time (when using --verbose you should see the exact steps including their timing). region: eu-west-2 Defaults to ${config.name}-${config.mode}. We also have a project with more than 30 functions which works, but I did not check how the memory consumption is there (i.e. It also persisted in this state through multiple machine resets and I wrangled with this for over an hour. If youre using Bash, then add the following line to your .bashrc file:if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[250,250],'sebhastian_com-large-mobile-banner-1','ezslot_4',143,'0','0'])};__ez_fad_position('div-gpt-ad-sebhastian_com-large-mobile-banner-1-0'); When youre using ZSH, then add the line above to the .zshrc file. local: 3306 :( JavaScript heap out of memory is a common issue that occurs when there are a lot of processes happening concurrently. If that works, we have to find out, where exactly the memory leak comes from and if it can be fixed by reusing objects. - subnet-0a5e882de1e95480b - subnet-0a5e882de1e95480b code of conduct because it is harassing, offensive or spammy. Disable AVIF. Are you sure you want to hide this comment? Applying #570 would solve our problem but would break. Isn't there an underlying issue of a memory leak? If increasing the memory . Call it a day. By clicking Sign up for GitHub, you agree to our terms of service and Memory allocated on the system heap is also called dynamically allocated memory. rm -rf tmp/cache Bam. A specially crafted request on port 10001 can allow for a user to retrieve sensitive information without authentication. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Bought a new laptop with I8 quad core and 16 gb of ram and this issue is happening more often than on my I5 duo with 8 gb of ram?? Filesystem cache allows to share cache between builds in CI. Why are physically impossible and logically impossible concepts considered separate in terms of probability? Once serialized the next read will deserialize them from the disk again. Any ETA on when this PR might be reviewed and merged? [42611:0x104001600] 55964 ms: Mark-sweep 1405.7 (1508.8) -> 1405.7 (1508.8) MB, 1721.0 / 0.0 ms allocation failure GC in old space requested. Previously, we were on webpack 3.12.0 and webpack-dev-server 2.11.3, and now we're on webpack 4.22.0 and webpack-dev-server 3.1.10. - subnet-031ce349810fb0f88 I tried rolling back versions until I found one that didn't experience this issue. I don't think I can declare anything else of significance other than having only 9 functions. So I changed to just using webpack watch with the caching plugin and things are super fast and no memory leaks. Did someone here try https://github.com/webpack-contrib/thread-loader in combination with ts-loader or does that make no difference? I have 10 lambda functions in Python without dependencies, the dependencies are in 4 layers also in the same setup. It's recommended to set cache.buildDependencies.config: [__filename] in your webpack configuration to get the latest configuration and all dependencies. `const path = require('path'); Please also check if you have set custom: webpackIncludeModules: true in your serverless.yml. the compile internally! cache-loader and thread-loader significantly helped for me. vuejs2 - Vuejs with Laravel production: FATAL ERROR - stackoverflow.com package.individually not set helps with this problem. Did you experience the same issue without using typescript with projects that have many functions? 16: 0000016F06950481 I'm no expert in node or webpack so any tips or ideas on how to increase the performance of the packaging would be greatly appreciated. SapMachine Vitals Provides Operating System and JVM Statistics I'll probably slap a NODE_ENV check in there to swap that out for a content hash for production builds. I have found that adding the hardsourceWebpackPlugin helped a lot because it prevented the system from compiling all the files. The data is retrieved every ten seconds, by default, and buffered for ten days inside the JVM . In your terminal, before you run your project, enter the following command and press Enter: This will allocate 4GB of virtual memory to the execution space of Node.js. Here you can see my webpack config for the production build, nothing out of the ordinary: Here is the build command in the package.json along with the node version set in the engine that matches the docker images node version, I have tried setting the max_old_space_size node option as I have found recommended online but it does not change anything no matter what memory value I give it, image: cypress/browsers:node14.7.0-chrome84, CYPRESS_CACHE_FOLDER: '$CI_PROJECT_DIR/cache/Cypress'. According to this recent comment https://github.com/webpack/webpack/issues/4727#issuecomment-373692350 it should be solved in the latest source-map module and should be used with the latest webpack version. @HyperBrain with transpileOnly: true, it starts to crash around 30+ functions. 10: 00007FF7B1745F36 v8::internal::Heap::RootIsImmortalImmovable+5830 Cache computation of modules which are unchanged and reference only unchanged modules in memory. For my tested JS project, the memory showed roughly the same fill state before and after the webpack run. bleepcoder.com uses publicly licensed GitHub information to provide developers around the world with solutions to their problems. vuejavascript heap out of memory_-CSDN Gotcha, can confirm it persists after updating as well. 2021-01-06: not yet calculated increase-memory-limit - npm