[Qgis-user] Diagnosing QGIS slowdown (Windows)

[Martin Pergler]

Thanks for the reply.

System: Lenovo T490, Intel i7 8565U (runs at about 9-20% CPU usage, no
change during the freezes), GEForce MX250 (runs about 20-25% whenever QGIS
is running). 16 Gig physical memory. SSD with capacity, no unusual disk
activity or competing process hogs. All worked just fine until now.

Interestingly, if I create a new project with just a couple of layers I'm
actively editing, there is no problem. That's a temporary workaround, I
guess. And I could rebuild my project file, which would be a hassle but
doable by importing layers one by one from the old project via the browser
to retain the layer properties (and testing after every few to see if/when
the problem arises again). But before taking the time to do that still
hoping for any suggestions on how to track down the processing hog in the
current project, or ideas what typically makes QGIS choke.



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