Bug report #17772

Very slow editing

Added by Michal Jurewicz over 3 years ago. Updated over 3 years ago.

Affected QGIS version:master Regression?:Yes
Operating System:MacOS Easy fix?:No
Pull Request or Patch supplied:No Resolution:fixed/implemented
Crashes QGIS or corrupts data:No Copied to github as #:25668


I used master 2.99 version for some time and first build which I use for 1 month was very stable and responsive. However, recently I just update to current build (626781a) and features editing like moving points/vertex, adding new objects and etc. is very very slow and unresponsive.

Please see this screen record: http://pomba.pl/pliki/super_slow_editing_qgis.mov

Zrzut ekranu 2018-01-02 o 06.45.39.png (199 KB) Michal Jurewicz, 2018-01-02 07:36 AM


#2 Updated by Michal Jurewicz over 3 years ago

It's the same problem with measures tool.

#3 Updated by Jan Lippmann over 3 years ago

hi Michal,

i have no problems with editing performance.
i would turn off snapping for all layers an then test the performance, then turn on snapping for every layer step by step and check the performance after everey step...in order to find the "problemlayer(s)"

missing spatial index can be a problem...

3rd party plugins could also impact editing...

#4 Updated by Nyall Dawson over 3 years ago

  • Status changed from Open to Closed

Should be fixed in latest master - was caused by missing transform context for snapping/tracing operations, which results in lots of debug output on debug enabled builds.

#5 Updated by Michal Jurewicz over 3 years ago

I can confirm that slow editing is fixed. However, there is even more annoying slow down during different actions but I will open new ticket about it.

#6 Updated by Giovanni Manghi over 3 years ago

  • Resolution set to fixed/implemented

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