Occasionally Microsoft Teams will decide to continuously utilize 100% CPU of one core and not stop unless it is killed.
Is there a better solution to this problem than to kill it and hope it won't do it again soon?
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1Is there a problem? What are the symptoms? Using 100% of a single core shouldn't be an issue unless you are experiencing crashes, system overheating etc.– terdon ♦Commented Sep 17, 2021 at 9:03
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1100% cpu usage of a single core in idle is a problem on my electricity bill/battery time!– OceanCommented Sep 17, 2021 at 12:19
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What do you use Teams for? Does it happen when it's idle, or only when it's doing certain things?– Gilles 'SO- stop being evil'Commented Sep 17, 2021 at 12:31
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Mostly video calls with many participants and sometimes chat. When I notice the high CPU usage via my monitoring it has always been when teams is idle. I haven't figured out how to trigger this, since it only happens when I'm not using teams.– OceanCommented Sep 17, 2021 at 14:17
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1 Answer
This is a known issue with Teams and Skype for Linux.
A few people have reported that deleting the cache directory for Teams fixes the high CPU utilization. It is unclear whether this is a permanent or temporary fix. On Ubuntu 18.04, the Teams cache is located at
~/.config/Microsoft/Microsoft\ Teams/Cache
If this doesn't work, and you need to join a Teams meeting on battery power, I'd suggest you use the Teams web app rather than the desktop app.
