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I'm running Jenkins on a Fedora Virtual Machine and have an app created by create-react-app .
When I try to build for production on my local machine, after ~8 minutes, it does get compiled successfully (although with the message: 'the bundle size is significantly larger than recommended...'
However, when I run the same script during my Jenkins build process, I get the following error: FATAL ERROR: CALL_AND_RETRY_LAST Allocation failed - JavaScript heap out of memory.
The build script is as follows: npm run build-css && node --max_old_space_size=8192 node_modules/.bin/react-scripts-ts build && npm run copy-to-build.
My question is, how can I allocate more memory for my Virtual Machine running on Fedora so the script can run successfully before throwing the FATAL ERROR: CALL_AND_RETRY_LAST Allocation failed - JavaScript heap out of memory .
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OutOfMemoryError: Java heap space. 1) An easy way to solve OutOfMemoryError in java is to increase the maximum heap size by using JVM options "-Xmx512M", this will immediately solve your OutOfMemoryError.
To fix JavaScript heap out of memory error, you need to add the --max-old-space-size option when running your npm command. Alternatively, you can also set the memory limit for your entire environment using a configuration file.
An "Out of Memory" error can occur when a Database Node Memory (KB) becomes less than 2 percent of the target size, and it cannot discard database pages on the node anymore to get free pages.
The solution for me was to set GENERATE_SOURCEMAP=false in the .env.production file as described here.
A better solution (although more time consuming) is code split the huge files ( >1MB)
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