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All the tabs will be quite slow when one of the tab is running under high CPU load #7622

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opened 2026-01-31 01:08:50 +00:00 by claunia · 0 comments
claunia commented 2026-01-31 01:08:50 +00:00
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Originally created by @jackyzhujiale on GitHub (Apr 24, 2020).

Environment

Windows build number: 18363.778
Windows Terminal version (if applicable): 0.10.781.0

Any other software?

Steps to reproduce

Open a powershell tab, run some high load commands (In my case it's running a node.js server service)
Then user would see other Tabs under the same terminal window running quite slow, typing is dragging and UI display will slow down as well. But If I open a new terminal, though the high load process is still running, it won't get affected.

Expected behavior

I expected other tabs shall not be affected. They should be independent, but seems they are not.

Actual behavior

Looks the tabs under the same terminal's UI thread seem would be affected by other tabs. While create a new terminal won't get affected by this

Originally created by @jackyzhujiale on GitHub (Apr 24, 2020). <!-- 🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨 I ACKNOWLEDGE THE FOLLOWING BEFORE PROCEEDING: 1. If I delete this entire template and go my own path, the core team may close my issue without further explanation or engagement. 2. If I list multiple bugs/concerns in this one issue, the core team may close my issue without further explanation or engagement. 3. If I write an issue that has many duplicates, the core team may close my issue without further explanation or engagement (and without necessarily spending time to find the exact duplicate ID number). 4. If I leave the title incomplete when filing the issue, the core team may close my issue without further explanation or engagement. 5. If I file something completely blank in the body, the core team may close my issue without further explanation or engagement. All good? Then proceed! --> <!-- This bug tracker is monitored by Windows Terminal development team and other technical folks. **Important: When reporting BSODs or security issues, DO NOT attach memory dumps, logs, or traces to Github issues**. Instead, send dumps/traces to secure@microsoft.com, referencing this GitHub issue. If this is an application crash, please also provide a Feedback Hub submission link so we can find your diagnostic data on the backend. Use the category "Apps > Windows Terminal (Preview)" and choose "Share My Feedback" after submission to get the link. Please use this form and describe your issue, concisely but precisely, with as much detail as possible. --> # Environment ```none Windows build number: 18363.778 Windows Terminal version (if applicable): 0.10.781.0 Any other software? ``` # Steps to reproduce Open a powershell tab, run some high load commands (In my case it's running a node.js server service) Then user would see other Tabs under the same terminal window running quite slow, typing is dragging and UI display will slow down as well. But If I open a new terminal, though the high load process is still running, it won't get affected. # Expected behavior I expected other tabs shall not be affected. They should be independent, but seems they are not. # Actual behavior Looks the tabs under the same terminal's UI thread seem would be affected by other tabs. While create a new terminal won't get affected by this
claunia added the Resolution-Duplicate label 2026-01-31 01:08:51 +00:00
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Reference: starred/terminal#7622
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