parallel-build-without-worker.mdx
title: Parallel Build Without Build Worker
Why This Error Occurred
The experimental.parallelServerCompiles and experimental.parallelServerBuildTraces
options require that the experimental.webpackBuildWorker option is set to true. These
options use workers to improve the parallelization of the build which may improve performance,
but the build may use more memory at the same time.
Possible Ways to Fix It
Build workers are enabled by default unless you have a custom webpack config. You can force enable the option by setting experimental.webpackBuildWorker: true in your next.config.js file, but some webpack configuration options may not be compatible.
Useful Links
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