From 5d875a2720e1fd3636ff107b1dec2254d32d25b9 Mon Sep 17 00:00:00 2001
From: Devon Govett <devongovett@gmail.com>
Date: Mon, 9 Oct 2023 16:27:54 -0700
Subject: [PATCH] Limit default number of JS workers to 4 (#9300)

---
 packages/core/workers/src/WorkerFarm.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/core/workers/src/WorkerFarm.js b/packages/core/workers/src/WorkerFarm.js
index 1f03474eed2..463502b9033 100644
--- a/packages/core/workers/src/WorkerFarm.js
+++ b/packages/core/workers/src/WorkerFarm.js
@@ -628,7 +628,7 @@ export default class WorkerFarm extends EventEmitter {
   static getNumWorkers(): number {
     return process.env.PARCEL_WORKERS
       ? parseInt(process.env.PARCEL_WORKERS, 10)
-      : Math.ceil(cpuCount() / 2);
+      : Math.min(4, Math.ceil(cpuCount() / 2));
   }
 
   static isWorker(): boolean {