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Find centralized, trusted content and collaborate around the technologies you use most. Hey @HyperBrain thanks for quick response. Is there any solution available ? I have 7 functions, but I'll look into using fork-ts-checker-webpack-plugin to maintain type checking. 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. subnetIds: The only step where memory consumption increases (but is always cleaned up by the GC) is the actual zipping of the function packaged. your node_modules/.bin/* files. https://github.com/notifications/unsubscribe-auth/ABKEZXXTJNYQP6J25MDOOE3PSKRN7ANCNFSM4EHSFFPA The caching plugin is in my common file for my webpack config. Serverless uses an archive package that uses another package that falls back to a node implementation of zip if libzip isn't installed. Hi, Im having this same issue. I am using a new i7/16GB MacBook Pro which started spinning its fans and needed a restart twice from this issue. Are you sure you want to hide this comment? with a project having 20+ functions (JS project). I tried the solution suggested above of using webpack-dev-server but it hangs(?) Well occasionally send you account related emails. Cache the generated webpack modules and chunks to improve build speed. 7: 00007FF6C693FE06 v8::internal::ScavengeJob::operator=+24550 I have the same issue but not with webpack. Hmmm that sounds like a memory leak somewhere when using individual packaging. cache.compression option is only available when cache.type is set to 'filesystem'. The memory option is straightforward, it tells webpack to store cache in memory and doesn't allow additional configuration: Version of the cache data. SLS-webpack since 3.0.0 requires that you use slsw.lib.entries for your entry definitions and have the function handlers declared correctly in your serverless.yml in case you use individual packaging. Compression type used for the cache files. Did it also happen for you with a serverless package? Gregveres, could you please share your solution? }, local: ${ssm:/database/dev/user} I'm sending out an occasional email with the latest programming tutorials. @HyperBrain with transpileOnly: true, it starts to crash around 30+ functions. FATAL ERROR: Ineffective mark-compacts near heap limit Allocation failed - JavaScript heap out of memory 1 npm install -g increase- memory -limit increase- memory -limit 2 export NODE _OPTIONS=".. vue . more stuff) and almost never fall on this heap errors (the last I remember - subnet-0c92a13e1d6b93630 [17208:0000020B4EB70F20] 1185036 ms: Scavenge 3367.7 (4163.5) -> 3366.9 (4164.0) MB, 9.7 / 0.0 ms (average mu = 0.164, current mu = 0.189) allocation failure, ==== JS stack trace =========================================. When running JavaScript process using Node, you may see an error that stops the running process. to. I do not believe this is to do with serverless-webpack directly. D n Gi C nh This behavior matches the log above: It crashed for you at the webpack step! However I do not know, if the webpack library will free the allocated resources after the compile again. I have 10 lambda functions in Python without dependencies, the dependencies are in 4 layers also in the same setup. Increase allocated memory and/or upgrade your hardware. No dice. method: get We should check, if the issues I think the 12GB heap size is probably a bit much; in addition to that it seems to run significantly slower than our build does currently. 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. 14: 0xb84c93c8ef3 4205. module: { You signed in with another tab or window. A common problem while working on a JavaScript Node.js project is the JavaScript heap out of memory error. @alexander-akait I still have no reproducible example but I think I can already tell that [in my case at least and I assume things are similar for many others] that the issue is not a memory leak but a "cache leak". Our code didn't change between working and not. Have a question about this project? The reason why the application got suddenly bigger is an import. path: /api/alexa/qualifylocation - subnet-0a5e882de1e95480b this is the watch config. cache.idleTimeoutAfterLargeChanges option is only available when cache.type is set to 'filesystem'. Nothing. cache.maxGenerations option is only available when cache.type is set to 'memory'. 8: 0x1003a19b5 v8::internal::Heap::PerformGarbageCollection(v8::internal::GarbageCollector, v8::GCCallbackFlags) [/Users/konnorrogers/.asdf/installs/nodejs/14.17.2/bin/node] This is still affecting my team, and https://github.com/serverless-heaven/serverless-webpack/pull/517 would fix it for us. The plugin utilizes webpack's multi-compile mode, which performs much }, // Workaround for ws module trying to require devDependencies [1] 28586 abort ./bin/webpack-dev-server, ActionText: All the ways to render an ActionText Attachment, ActionText: Safe listing attributes and tags, ActionText: Modify the rendering of ActiveStorage attachments. cache.idleTimeoutForInitialStore is the time period after which the initial cache storing should happen. `const path = require('path'); Different names will lead to different coexisting caches. But after the release of Node, JavaScript suddenly had a back-end architecture, where you can run complex database queries and other heavy processing before sending data back to the front-end. Regardless of your IDE, the JavaScript heap out of memory fix is identical. No memory leaks. . vue95%JavaScript heap out of memory : idea npm i increase-memory-limit increase-memory-limit ! 9: 00007FF7B1745EB7 v8::internal::Heap::RootIsImmortalImmovable+5703 Java ,java,heap-memory,stack-memory,Java,Heap Memory,Stack Memory Euler: A baby on his lap, a cat on his back thats how he wrote his immortal works (origin?). https://github.com/webpack-contrib/thread-loader, https://github.com/Realytics/fork-ts-checker-webpack-plugin, https://github.com/webpack/webpack/issues/4727#issuecomment, https://github.com/prisma/serverless-plugin-typescript, https://github.com/serverless-heaven/serverless-webpack/issues/299#issuecomment-486948019, https://github.com/notifications/unsubscribe-auth/ABKEZXXTJNYQP6J25MDOOE3PSKRN7ANCNFSM4EHSFFPA, https://webpack.js.org/configuration/configuration-types/#exporting, https://github.com/serverless-heaven/serverless-webpack/blob/master/lib/packageModules.js, https://github.com/Realytics/fork-ts-checker-webpack-plugin/releases/tag/v1.1.1, https://github.com/serverless-heaven/serverless-webpack/pull/517, https://github.com/serverless-heaven/serverless-webpack/pull/570, https://github.com/webpack/webpack/issues/6389, Dynamic imports not set in the correct directory. Don't have this issue with 2.2.3. , npm run dev,,node. The memory size starts from 1024 for 1GB: Alternatively, you can also set the memory limit for your entire environment using a configuration file. MarkCompactCollector object - JavaScript memory - FATAL ERROR: MarkCompactCollector: young object promotion failed Allocation failed - JavaScript heap out of memory bleepcoder.com uses publicly licensed GitHub information to provide developers around the world with solutions to their problems. plugins: [ Its up to the programmer to use the available memory as they see fit. cache.hashAlgorithm option is only available when cache.type is set to 'filesystem'. If I find anything I will let you know. My project uses babel and the issue seems to happen only when enabling source maps (devtool: 'source-map'). To set a different amount of memory, replace 4096 with the required amount in MB. Our setup: I've started to hit extremely long times for webpack to complete and also the javascript heap memory. The one liner below has worked for some. Thanks for contributing an answer to Stack Overflow! Can you point me to the right line - I guess something here is responsible https://github.com/serverless-heaven/serverless-webpack/blob/master/lib/packageModules.js. Apart from that, he is also a sports enthusiast. The text was updated successfully, but these errors were encountered: Hi, you should ask questions like this in stackoverflow. stage: ${opt:stage,'local'} This can be something with your configuration. If I use fork-ts-checker-webpack-plugin, my machine dies as the plugin spawns like 30 workers in parallel and it eats my 16GB RAM/swap in few seconds IMHO the only solution is to compile all functions in series, one after the other, by default or with setting. prod: ${ssm:/database/prod/password} You could try to set devtool: "nosources-source-map" to prevent embedding the whole sources into the source maps but only the line numbers. better optimization-wise, but webpack itself is invoked only once and does Disable AVIF. We do not host any of the videos or images on our servers. 7: 0x1003a628a v8::internal::Heap::RecomputeLimits(v8::internal::GarbageCollector) [/Users/konnorrogers/.asdf/installs/nodejs/14.17.2/bin/node] @dashmug Webpack 4.0.0 doesn't fix it for me. It has been running for hours non stop without any leaks. It also appears to be related to the fact that there are so many functions in this serverless project; if I comment out all but 5 then sls package works. wds: Project is running at http://localhost:3035/ your inbox! Minimising the environmental effects of my dyson brain. Is this behaviour changeable? All I can say is this: the different between my npm start and build script is that the build runs. exclude: [path.resolve(__dirname, 'node_modules')]. add an environment variable through Control Panel. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Using fork-ts-checker-webpack-plugin will spawn a thread per function to type check. method: get I am facing the same issue when using uglify to minify. mysqlDatabase: thanks for reporting. `, provider: It is also vital not to allocate your entire available memory as this can cause a significant system failure. As an avid tech-writer he makes sure he stays updated with the latest technology. 1: 00007FF6C646D1BA v8::internal::GCIdleTimeHandler::GCIdleTimeHandler+4506 @HyperBrain That setting does appear to be working for me. I'm not using serverless webpack plugin, webpack file, neither typescript. limits the number of concurrent compiles in the CI system thus effectively limiting the amount of necessary memory and avoiding the out-of-memory errors). 1: 00007FF7B12BD7AA v8::internal::GCIdleTimeHandler::GCIdleTimeHandler+4618 How can we prove that the supernatural or paranormal doesn't exist? If/when this does get fixed I can turn it on then. if you don't expose any company information you wont break the policies. staging: 3306 Before you look at fixing the error, it's useful to understand what heap memory is and how programs use it. Built on Forem the open source software that powers DEV and other inclusive communities. - subnet-0c92a13e1d6b93630 path: path.join(__dirname, '.webpack'), When I'm working with a webpack-dev server, the problem sometimes occurs. This is why JavaScript may have a heap out of memory error today. Why is this the case? @daniel-cottone please share your thoughts after u succeed. libraryTarget: 'commonjs', Check the memoryLimit option in the ForkTsCheckerWebpackPlugin configuration. prod: ${ssm:/database/prod/user} I got much further along, looks like about 50% of the way through. Also facing this issue :/ tried increasing the node max_old_space_size but its not doing it for me. Still didnt work. 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. Reducing crashes in generating Javascript bundles & serializing HTML pages. Sebhastian is a site that makes learning programming easy with its step-by-step, beginner-friendly tutorials. 2: 00007FF7B126B736 uv_loop_fork+86646 Is it suspicious or odd to stand by the gate of a GA airport watching the planes? I'm also getting this issue recently after my project started to increase in size. Not doing so can cause unexpected behavior in your program. Looking inside my webpack script (version 4.43.0) I did this instead: this worked locally and in my jenkinsfile. Once unpublished, all posts by konnorrogers will become hidden and only accessible to themselves. So, unfortunately, I'm not sure this is a webpack-dev-server issue. 3: 00007FF6C6448910 node_module_register+2032 I got to 2.2.2, at which point my webpack config didn't work anymore. My code is GPL licensed, can I issue a license to have my code be distributed in a specific MIT licensed project? const slsw = require('serverless-webpack'); 5: 00007FF6C676262F v8::internal::FatalProcessOutOfMemory+639 MarkCompactCollector: young object promotion failed Allocation failed - JavaScript heap out of memory 1: 0x1012e4da5 node . Nothing helps. Can you post the function definitions from your serverless.ymland the webpack config file? This requires copying data into smaller buffers and has a performance cost. Tried the PR from @asprouse - https://github.com/serverless-heaven/serverless-webpack/pull/517 - and can confirm that it fixed the issue for us. When it's true what I realized is that the plugin will run webpack multiple times, for each handler you have. if we're about to hit a limit). The memory stays stable and is super clean but the cache goes berserk. staging: ${ssm:/database/prod/password} sequentially. Staging Ground Beta 1 Recap, and Reviewers needed for Beta 2. @grumpy-programmer It's a workaround that worked on my local but didn't work on our CI environment (AWS CodeBuild using 3GB). Making statements based on opinion; back them up with references or personal experience. Best way to set --max-old-space-size when JavaScript heap out of memory 202303 . If yes would it be okay for you if we'd provide a PR? We were able to get round this issue setting a Node env variable on our cloud build server, and locally. In this article we are going to discuss about JavaScript heap out memory issue which used to happen in Angular project. So for finding the root issue, we should concentrate on the webpack step and especially typescript. rm -rf [package-lock.json] node_modules && npm cache clean -f && npm i For more information: https://github.com/webpack/webpack/issues/6929 Share Improve this answer Follow answered Aug 16, 2018 at 13:16 Odyssee 2,353 2 19 38 5 @sativ01 as I mentioned in the part that you quoted, I am using webpack --watch with the caching plugin instead of WDS. 10: 00007FF7B1745F36 v8::internal::Heap::RootIsImmortalImmovable+5830 I tried a lot of things to fix it but the only thing that worked was setting: I'm at a loss as to why this works, but I suspect it may have something to do with creating more small common chunks that do not change between recompiles? rm -rf tmp/cache Bam. I had remove package individually and it works, but I want to use that feature again. This ran fine for weeks at a time without restarted the dev server on webpack 3. Has anyone tried if webpack v4.0.0 can fix this? But Id like to hear other peoples experience. cache.idleTimeoutAfterLargeChanges is the time period after which the cache storing should happen when larger changes have been detected. Can I tell police to wait and call a lawyer when served with a search warrant? 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. Additionally I found that it uses process.env.MEMORY_LIMIT to set the Node VM heap size per worker, which could be an additional screw to get it under control. DEV Community 2016 - 2023. Too much memory allocated for Node may cause your machine to hang. Edit To help with debugging, here's some version information: Agreed with above. Try to avoid having webpack to dip its toes into node_modules when Lambda Function Layers are available, otherwise pushing for https://github.com/serverless-heaven/serverless-webpack/pull/570 and helps rebasing maybe your only choice. [17208:0000020B4EB70F20] 1185019 ms: Scavenge 3366.8 (4163.0) -> 3366.0 (4163.5) MB, 10.5 / 0.0 ms (average mu = 0.164, current mu = 0.189) allocation failure How can we prove that the supernatural or paranormal doesn't exist? Is the workaround using the increased heap ok for you as long as there's no real fix? Templates let you quickly answer FAQs or store snippets for re-use. The difference between the phonemes /p/ and /b/ in Japanese. When you make a purchase using links on our site, we may earn an affiliate commission. You can add the above command to your configuration file to avoid repeating the process. For further actions, you may consider blocking this person and/or reporting abuse, Check out this all-time classic DEV post. Remember always to enter the required memory size in MB. I'm finding much better performance by increasing the heap by using, node --max-old-space-size=4096 node_modules/serverless/bin/serverless package, I only ever do a full deploy with increased heap when a new function is created otherwise I now just use sls deploy function when updating a single function. Proper memory management is crucial when writing your programs, especially in a low-level language. I was helping out a friend on his project and I had to rollback to 5.3.5 to see some stability with the out-of-memory issue. environment variable to set the max_old_space_size globally. or mute the thread cache is set to type: 'memory' in development mode and disabled in production mode. mysqlPassword: @akleiber Is this a quite big project where it happens? Will try to strip down my project to a bare reproducible example as soon as I have some time. - subnet-031ce349810fb0f88 More importantly, the heap size for a program depends on the available virtual memory allocated to it. Adding additional memory to the process worked for a while, but, when the complexity of my system grew, the system reached a point where I had to provision more than 12GB for the process not to trigger any faults (and I'd have had to keep increasing it whenever new functions were added). error Command failed with exit code 134. Tm kim gn y ca ti. They can still re-publish the post if they are not suspended. 10: 0x10039e248 v8::internal::Heap::HandleGCRequest() [/Users/konnorrogers/.asdf/installs/nodejs/14.17.2/bin/node] Reinstalling every module because you have a problem with one isn't a good fix. handler: functions/rest/routesHandler.alexa_search_stations - sg-0a328af91b6508ffd This happens with regular webpack in watch mode, or even using webpack-nano and webpack-plugin-server. So trust me, I appreciate efforts like this. The slower runtime is expected, because it takes each webpack compile's output to determine the modules that are really needed for each function and assembles only these for the function package. So I think you guys are looking in the wrong place by saying this leak is a leak in webpacks watch code. But it could be worth a try. I have tested this with version 3.0.0 and the latest, 4.1.0 with the same results. Drop your email in the box below and I'll send new stuff straight into I had to give up on webpack-dev-server because it crashed on the first code change every single time. timeout: 30 Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. 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. Yes, my team has been trying deployments in the last weeks. Can you adjust the title of the issue to reflect that this will happen with many functions? To do so, follow the same process for setting your PATH variable. Webpacker internally stores a cache in tmp/cache/webpacker for faster reading / writing operations so it doesnt have to fully bundle all your assets and uses the cache to speed things up. it seems that increasing the memory as suggested only make the issue less likely to happen rather than eliminating the issue. I have 73 entry points and a few hundred TS files. Seeing this as well. Would that be fair to say? Time in milliseconds. vpc: :( Defaults to md4. Does Counterspell prevent from any further spells being cast on a given turn? Hi everyone, - staging I am struggling with this issue. Does anybody know if I can upgrade it in the plugin's package.json without breaking anyone's projects or should I keep it at the current version? "build": "export NODE_OPTIONS=--max_old_space_size=8192 && webpack --config webpack.prod.js". I'm experiencing the same issue with the latest versions of both serverless-webpack (5.5.1) and webpack (5.50.0). webpack: 4.12.0 Did someone here try https://github.com/webpack-contrib/thread-loader in combination with ts-loader or does that make no difference? cache.maxMemoryGenerations option is only available when cache.type is set to 'filesystem'. - subnet-0a5e882de1e95480b Once unsuspended, konnorrogers will be able to comment and publish posts again. handler: functions/rest/routesHandler.mainApi privacy statement. I've upgraded my t2 instance for now but will look at adjusting the heap as I saw above but I'm really concerned about how long it takes to perform the webpack (30 mins at minimum), I've upgraded to [emailprotected] & [emailprotected], and my serverless package section looks like. 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 mode: "production", Well, It will be nearly impossible to help you without the config. We are not affiliated with GitHub, Inc. or with any developers who use GitHub for their projects. Unflagging konnorrogers will restore default visibility to their posts. Thanks for contributing an answer to Stack Overflow! Locations for the cache. ASP.NET is better suited for large and medium-sized organizations, whereas PHP is better equipped to serve start-ups and small-sized organizations. See Node.js crypto for more details. Does anybody have any solutions to this problem? @BobbieBarker , @daniel-cottone can you confirm, that this setting also works for you? 8: 00007FF6C693E45C v8::internal::ScavengeJob::operator=+17980, webpack.config.js Update the version when configuration changed in a way which doesn't allow to reuse cache. Could serializing the jobs be an intermediate workaround? Regardless of your IDE, the "JavaScript heap out of memory" fix is identical. Call it a day. resolve: { Do roots of these polynomials approach the negative of the Euler-Mascheroni constant? Define the lifespan of unused cache entries in the memory cache. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. My educated guess is that packages in node_modules contains side effects that webpack has no way to cleanup after bundling. }, }; The number of functions we managed to compile depended on the memory allocated to the process, so eventually this would lead to the same problem of having to continually increase the memory forever. This easily bomb the memory out as you can imagine. How's that going? My first question: what does the number 1829 (and 2279) represents exactly ? 3. staging: ${ssm:/database/prod/user} This might indicate that it isn't "just" a webpack watch issue because webpack is still watching all my files, it is just not compiling all my files every time due to the caching plugin. Happy to provide more debugging info if needed. cache.idleTimeoutForInitialStore option is only available when cache.type is set to 'filesystem'. FATAL ERROR: CALL_AND_RETRY_LAST Allocation failed - JavaScript heap out of memory How to use The longer build outweighs the better startup behavior (if the lambdas are cold started) and if some big dependencies are only used by one function. - prod To subscribe to this RSS feed, copy and paste this URL into your RSS reader. I tried a number of other node specific fixes. name: aws To fix JavaScript heap out of memory error, you need to add the --max-old-space-size option when running your npm command. To disable caching pass false: While setting cache.type to 'filesystem' opens up more options for configuration. local: 3306 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? Why zero amount transaction outputs are kept in Bitcoin Core chainstate database? 2018-09-17. While the OPs question was answered, I second @norfish. With the dev server running, with each change my rebuild time gets about a second longer than the previous one, before crashing at about 50 seconds. One thing I would try is to use babel (and babel-loader) for transpiling Typescript instead of awesome-typescript-loader or ts-loader. I have 7 functions, but all of them are very small. Defaults to node_modules/.cache/webpack. The error is common whether you run your project on Windows, macOS, or a Linux distribution like Ubuntu. Node Version: 9.11.2 What are you using instead of webpack-dev-server? So what was the fix then? I'm in the process of trying to upgrade serverless-webpack version from 2.2.3, where I do not experience the following issue.