perf(@angular-devkit/build-angular): disable CSS optimization parallelism for components styles #20886
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alan-agius4
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clydin
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May 21, 2021
alan-agius4
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…lism for components styles Since we rely on child compilations to compile components CSS, using the `parallel` option will cause a significant overhead because each compilation will need to spawn a worker, in this mode the worker limit is not be honored because `css-minimizer-webpack-plugin` spawn and calulators workers during the optimization phase of a compilation and not globally per instance hence causes OOM because a large number of workers to be spawned simultaneously. Closes #20883
clydin
approved these changes
May 21, 2021
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Since we rely on child compilations to compile components CSS, using the
paralleloption will cause a significant overhead because each compilation will need to spawn a worker, in this mode the worker limit is not be honored becausecss-minimizer-webpack-pluginspawn and calulators workers during the optimization phase of a compilation and not globally per instance hence causes OOM because a large number of workers to be spawned simultaneously.Closes #20883