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Since the last major upgrade to macOS Mojave, I have the Wi-Fi process taking up a lot of memory and in an exponentially way. Time to time I need to force quit it in Activity Monitor because it takes too much memory (around 5 GB). Did anyone else faced the same issue and was able to resolve?

I am using a MacBook Pro 15-inch 2017 with macOS Mojave 10.14.

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Edit: I've recently noticed that the Wi-Fi process uses a lot of memory when connecting to the internet through personal hotspot on iPhone.

  • Welcome to Ask Different :) Kindly edit the question and specify the make and model of Mac that you are using. – Nimesh Neema Oct 22 '18 at 8:48
  • Interesting... do you know who (which app) is using your WiFi – Ruskes Oct 22 '18 at 9:00
  • type lsof -i in Terminal to see – Ruskes Oct 22 '18 at 9:11
  • What should I report? – Bastian Nanchen Oct 23 '18 at 7:03
  • Hi, @Buscar웃 I always have the problem. Do you know how to see which app is using my WiFi a lot in running lsof -i ? – Bastian Nanchen Dec 15 '18 at 9:44
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Since the last macOS Mojave release (10.14.4), this problem has disappeared. Therefore, it seems that they tackled it; at least it's been a while since I've had this problem.

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