I've been noticing whole-machine slow downs whenever I heavily use my Dev Drive (for example, building source) that are just unacceptable.
A common example is I'll start a full build in Visual Studio and then go to type in Windows Terminal and everything I type will be delayed by multiple seconds. Even pasting will show only a few characters at a time.
Experiment... As the "search engine" behind a 5000-records auto complete API is an #efcore LIKE query. Loading 60000 more records into that table made the API endpoint slow (6 seconds to show autocomplete!)