[bug] High CPU usage

Unity Hub
21

Ever since they fixed it, I haven’t had an issue with it anymore
Is it 25% CPU usage without any unity instance open? so just the hub?
if it is in combination of an instance of 2019.3.11, could you try installing 2019.4 LTS and try again?

22

Thanks. I will try later in 2019.4, but “closing” the hub so it gets minimized helps, so there’s something going on while it’s open.

23

Hi all. Latest version of Hub and Unity (2020.1.13f1) as of 2020.11.22 (YY/MM/DD). And I see high CPU while in the editor and doing nothing. I am using Bolt if this is creating CPU runs.
My CPU fan is spinning loud all the time with Unity taking 24-45% CPU use - it’s kind of a pain to put up with and my poor computer having to work so hard on… well nothing.

Is Unity taking CPU use for other things I’m not aware off, eg doing some bit coin - LOL. Make you wounder.

24

You can profile the editor itself to see what is taking a lot of CPU time.
This thread is related to Unity Hub. Which this shouldn’t be the issue anymore.

25

Unfortunately this Bug still seams to exist. Using Unity 2020.2.1f1 and Hub 2.4.2, causing the Unity-Editor Task to keep the CPU at 40+% while idle. As soon as you close the Unity Hub, things are back to normal. This only occurs on my Laptop, while Desktop with same Unity- and Hub-Version is acting normal.

26

for me, it was caused by a Favorites editor plugin, I used the profiler & noticed the editor is running at 200 fps, once I closed that favorites plugin window, the frame rate went to 60 fps & the unity cpu usage went down to 0-1% ( down from 25% )

  • I’m guessing some custom editor plugins might be coded in a way that keeps the editor buys
  • try closing the 3rd party editor window & notice how it affects the profiler fps & the windows cpu
  • ( also use the profiler first to see if the editor is running at a very high frame rate ( like a 100 or 200 )

hope this helps

27

Hey @Ali_V_Quest - please, don’t bump/necro old threads.
Thank you for sharing your solution in this thread, and as long it has been very helpful I’ll close it for now.

If anyone has issues after trying what is advised in this thread, please make a new thread saying you’ve done this and also provide the logs, screenshots and any other information that would help us! :wink: