From 202d13b632bb12a84f22238c5e14ac50be79f53b Mon Sep 17 00:00:00 2001
From: JBWatenbergScality
 <75977494+JBWatenbergScality@users.noreply.github.com>
Date: Tue, 30 Mar 2021 13:47:08 +0200
Subject: [PATCH] ui: Disable terser parallelism

In order to fix a frequent OOM issue in the CI, I tried to disable terser parallelism

Refs:  https://github.com/timarney/react-app-rewired/issues/391#issuecomment-571954944
---
 ui/config-overrides.js | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/ui/config-overrides.js b/ui/config-overrides.js
index aa32857fc8..a0cff4eb62 100644
--- a/ui/config-overrides.js
+++ b/ui/config-overrides.js
@@ -27,9 +27,19 @@ const setWebpackPerformance = () => (config) => {
   return config;
 };
 
+/**
+ * After getting a lot of OOM issues while building the UI, we disabled terser parallelism
+ * Refs: https://github.com/timarney/react-app-rewired/issues/391#issuecomment-571954944
+ */
+const terserDisableParallelism = () => config => {
+  config.optimization.minimizer[0].parallel=false;
+  return config;
+};
+
 module.exports = override(
   useBabelRc(),
   useEslintRc(),
   addWebpackPlugin(new CompressionPlugin()),
   setWebpackPerformance(),
+  terserDisableParallelism()
 );