[Qgis-user] Diagnosing QGIS slowdown (Windows)

[Sebastian Gutwein]

Martin,
Sorry to hear about your problems.
When I am doing complex digitizing or geoprocessing I often open up a
second instance of QGIS.
As of 3.14 you can now simply drag layers from one instance to another
without losing styling.
https://github.com/qgis/QGIS/pull/35382
Makes it easy to troubleshoot or work with a subset of layers without too
much hassle.


On Wed, Dec 16, 2020 at 11:04 AM Nicolas Cadieux <
njacadieux.gitlab at gmail.com> wrote:

> Hi,
> Rig is ok for QGIS.  This is the second time this week that someone talks
> about using geopackage and that there is a slow down after the initial
> project creation.  I would try a project using .shp files and strait .tiff
> to see the problem comes from the .gpkg files.
> Nicolas
>
> On Wed, Dec 16, 2020 at 10:56 AM Martin Pergler <pergler at gmail.com> wrote:
>
>> 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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