Hi Peter, Bernhard earlier suggested to run QGIS under a new user profile without any third party plugins, because some plugins used to slow down QGIs due to wrong memory management. Might be worth giving a shot if you didn't yet?
Regards, Harrissou Le ven. 10 janv. 2020 à 16:45, Peter Cornelissen <pe...@cornelissen.org.uk> a écrit : > HI Nicolas > > Thanks. I'm not happy about messing with the bios though, I think I'll > leave that and consider a new laptop with more memory. I'll see how it goes > using GeoPackage to startw thi and take it from there. > > Peter > ------------------------------ > *From:* Nicolas Cadieux <nicolas.cadi...@archeotec.ca> > *Sent:* 10 January 2020 12:42 > *To:* Peter Cornelissen <pe...@cornelissen.org.uk> > *Cc:* Alexandre Neto <senhor.n...@gmail.com>; QGIS User < > qgis-user@lists.osgeo.org> > *Subject:* Re: [Qgis-user] QGIS slows PC to a point it is unusable > > Hi, > > Try going into the computer bios. Perhaps you can reduce the memory > allocation for the video card. Nice to know GeoPackage option seems to > help. > > Nicolas Cadieux > > Le 10 janv. 2020 à 03:01, Peter Cornelissen <pe...@cornelissen.org.uk> a > écrit : > > > Sorry I meant to say that the memory IS the problem!! > > On 10 Jan 2020 07:58, pe...@cornelissen.org.uk wrote: > > Hi guy > > Thanks for the feedback. I've checked and as my PC slows down it reaches > the point where QGIS is using 79% of the memory, so there's no problem. > Unfortunately there's not much I can do about it as it is a laptop and is > already at its maximum of 8GB and is using 1.8GB for the video. I'll > rebuild using Geo Packages as that seems like the way forward. I can't > really make use of PostGIS as I need to port to QField. > > Peter > > On 9 Jan 2020 23:54, Nicolas Cadieux <nicolas.cadi...@archeotec.ca> wrote: > > Hi, > > You are likely running out of memory. Do a control-alt-delete and look at > the memory usage. Look at the memory, disk and cpu usage before starting > QGIS and once the project is loaded and working. Turn off unwanted > plugins. Make sure you don’t have a virus or some background process using > your cpus. You should probably have 8 to 16 GB of memory. Is this a > laptop? Is the laptop sharing the video memory with the system memory? > > Nicolas Cadieux > > Le 9 janv. 2020 à 18:21, Alexandre Neto <senhor.n...@gmail.com> a écrit : > > > Hi Peter, > > Try to use Spatialite, Geopackage or (even better) PostGIS to store your > data and create indexes both on the geometries, but also on the fields used > on the rules you mentioned. That can give you a nice boost. > > Hope it helps, > > Alexandre Neto > QGIS Support > www.QCooperative.net > <https://nam10.safelinks.protection.outlook.com/?url=https%3A%2F%2Fsmex-ctp.trendmicro.com%3A443%2Fwis%2Fclicktime%2Fv1%2Fquery%3Furl%3Dhttp%253a%252f%252fwww.QCooperative.net%26umid%3D78acbac1-d0a0-4165-8391-f7bc9498c22c%26auth%3Dbf81fa88bf46c441e3fa0c29e31e35617988196f-aeddc0339af5f50edc3ba0398521cba4a48bd09f&data=02%7C01%7C%7C0a6fe8d2bc5846f611a508d795ca9542%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637142569628060192&sdata=CIdLZHE1E%2FfBMx1H55Kjyuxd5BR4N%2BfUzoQMW51ViNg%3D&reserved=0> > > A quinta, 9/01/2020, 20:42, Peter Cornelissen <pe...@cornelissen.org.uk> > escreveu: > > Hi > > I am finding that although my ShapeFIle tables in QGIS are not huge, my > Windows 10 PC virtually comes to a grinding halt and becomes unusable once > I get to something like 50 layers. I am using about 6 or 7 ShapeFiles with > different filters. I think it is related to the fact that approx. most of > them having a rule based styles, some with about 20 rules per layer. > > Restarting the PC sorts things out for a while, but soon as I start > working on the project it quickly gets slower and again comes to a point > where it again slows right down. > > I've not seen anything relate to this issue online and I've seen tables > which must be huge. Is it likely to be my PC or am I using the wrong > methods? Would I be better using SpatiaLite to store the tables? > > Thought? > > Peter > _______________________________________________ > Qgis-user mailing list > Qgis-user@lists.osgeo.org > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > <https://nam10.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.osgeo.org%2Fmailman%2Flistinfo%2Fqgis-user&data=02%7C01%7C%7C0a6fe8d2bc5846f611a508d795ca9542%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637142569628070201&sdata=net3FjQai8escMq7N3H3dyxXytTBK6bhZ%2FcCacvJrEc%3D&reserved=0> > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user > <https://nam10.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.osgeo.org%2Fmailman%2Flistinfo%2Fqgis-user&data=02%7C01%7C%7C0a6fe8d2bc5846f611a508d795ca9542%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637142569628070201&sdata=net3FjQai8escMq7N3H3dyxXytTBK6bhZ%2FcCacvJrEc%3D&reserved=0> > > _______________________________________________ > Qgis-user mailing list > Qgis-user@lists.osgeo.org > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user > > > > _______________________________________________ > Qgis-user mailing list > Qgis-user@lists.osgeo.org > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user
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