subject:"\[Qgis\-user\] QGIS slows PC to a point it is unusable"

Re: [Qgis-user] QGIS slows PC to a point it is unusable

2020-01-10 Thread Jeff Hubbs

Look, don't throw good money after bad.

You're only going to be able to get so much memory in a laptop. If you
want to do RAM-intensive things and don't have a way to make them less
intensive (i.e., offloading some of the business to PostGIS, etc.) then
you're going to need to be thinking about hardware that can hold a lot
of memory and just using your laptop as a frontend. I also can't
recommend getting away from spinny-thing storage enough unless you
simply need to store as many TiB in as small a space as possible.

I will also heartily recommend getting Windows and other Microsoft
products out of your life. I have a Gentoo Linux machine sitting beside
me here with a full GUI going and it's running on less than 1GiB of its
16GiB of RAM. The PostGIS machine next to it that has no GUI is taking
256_*M*_iB of its 16GiB.

On 1/10/20 10:45 AM, Peter Cornelissen wrote:

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
*Sent:* 10 January 2020 12:42
*To:* Peter Cornelissen
*Cc:* Alexandre Neto ; QGIS User

*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
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
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
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=02%7C01%7C%7C0a6fe8d2bc5846f611a508d795ca9542%7C84df9e7fe9f640afb435%7C1%7C0%7C637142569628060192=CIdLZHE1E%2FfBMx1H55Kjyuxd5BR4N%2BfUzoQMW51ViNg%3D=0>

A quinta, 9/01/2020, 20:42, Peter Cornelissen
mailto:pe...@cornelissen.org.uk>> escreveu:

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?

Re: [Qgis-user] QGIS slows PC to a point it is unusable

2020-01-10 Thread Peter Cornelissen

Hi Harrissou & Bernhard

I have just seen that note. I will give it a try when I get a chance, it’s an 
easy thing to try.

Thanks, Peter


From: DelazJ 
Sent: Friday, January 10, 2020 3:51:58 PM
To: Peter Cornelissen 
Cc: Nicolas Cadieux ; QGIS User 

Subject: Re: [Qgis-user] QGIS slows PC to a point it is unusable

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 
mailto: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 
mailto:nicolas.cadi...@archeotec.ca>>
Sent: 10 January 2020 12:42
To: Peter Cornelissen 
mailto:pe...@cornelissen.org.uk>>
Cc: Alexandre Neto mailto:senhor.n...@gmail.com>>; QGIS 
User mailto: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 
mailto: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<mailto: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 
mailto: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 
mailto: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://eur05.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=02%7C01%7C%7Cd1185a22aef349e288e708d795e50e91%7C84df9e7fe9f640afb435%7C1%7C0%7C637142683345671142=Uyx3B3aPJx2f9vOku0h6Xvs3bu3IoZZIrgsokc1tZDg%3D=0>

A quinta, 9/01/2020, 20:42, Peter Cornelissen 
mailto: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
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Re: [Qgis-user] QGIS slows PC to a point it is unusable

2020-01-10 Thread DelazJ

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 
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 
> *Sent:* 10 January 2020 12:42
> *To:* Peter Cornelissen 
> *Cc:* Alexandre Neto ; 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  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  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  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=02%7C01%7C%7C0a6fe8d2bc5846f611a508d795ca9542%7C84df9e7fe9f640afb435%7C1%7C0%7C637142569628060192=CIdLZHE1E%2FfBMx1H55Kjyuxd5BR4N%2BfUzoQMW51ViNg%3D=0>
>
> A quinta, 9/01/2020, 20:42, Peter Cornelissen 
> 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
> ___
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Re: [Qgis-user] QGIS slows PC to a point it is unusable

2020-01-10 Thread Peter Cornelissen

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 
Sent: 10 January 2020 12:42
To: Peter Cornelissen 
Cc: Alexandre Neto ; QGIS User 

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  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  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  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=02%7C01%7C%7C0a6fe8d2bc5846f611a508d795ca9542%7C84df9e7fe9f640afb435%7C1%7C0%7C637142569628060192=CIdLZHE1E%2FfBMx1H55Kjyuxd5BR4N%2BfUzoQMW51ViNg%3D=0>

A quinta, 9/01/2020, 20:42, Peter Cornelissen 
mailto: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
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Re: [Qgis-user] Qgis-user] QGIS slows PC to a point it is unusable

2020-01-10 Thread Raúl Nanclares

Hi Peter, what kind of drive has your laptop? HDD or SDD? Using 80% of RAM
is no big issue. If you have a 5200 rpm HDD I would get a decent SDD or
NVME (if your laptop supports it) and swap it. That would improve
performance a lot.

Cheers

El vie., 10 ene. 2020 2:01,  escribió:

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>
>1. Thanks (nubantood Khalil)
>2.  QGIS slows PC to a point it is unusable (Peter Cornelissen)
>3. Re: QGIS slows PC to a point it is unusable (Alexandre Neto)
>4. Re: QGIS slows PC to a point it is unusable (Nicolas Cadieux)
>5. Re: QGIS slows PC to a point it is unusable (Bernhard Ströbl)
>6. Re: QGIS slows PC to a point it is unusable (Peter Cornelissen)
>7. Re: QGIS slows PC to a point it is unusable (Peter Cornelissen)
>
>
> --
>
> Message: 1
> Date: Thu, 9 Jan 2020 15:13:25 -0500
> From: nubantood Khalil 
> To: qgis-user@lists.osgeo.org
> Subject: [Qgis-user] Thanks
> Message-ID:
>  n_h577rv_a1qyokzb-tcmwrsdmp4vu...@mail.gmail.com>
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>
> Please add me to your world list
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> Date: Thu, 9 Jan 2020 20:42:11 +
> From: Peter Cornelissen 
> To: "qgis-user@lists.osgeo.org" 
> Subject: [Qgis-user]  QGIS slows PC to a point it is unusable
> Message-ID:
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> am5pr0802mb2611676f6e3603c6a18d9acabe...@am5pr0802mb2611.eurprd08.prod.outlook.com
> >
>
> Content-Type: text/plain; charset="iso-8859-1"
>
> 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
> -- next part --
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>
> Message: 3
> Date: Thu, 9 Jan 2020 23:21:05 +
> From: Alexandre Neto 
> To: Peter Cornelissen 
> Cc: QGIS User 
> Subject: Re: [Qgis-user] QGIS slows PC to a point it is unusable
> Message-ID:
> <
> ca+h0g_evxnpzisasg_dh3ej1h10nqsuia0dccrosicmzkvn...@mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> 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
>
> A quinta, 9/01/2020, 20:42, Peter Cornelissen 
> 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
> > w

Re: [Qgis-user] QGIS slows PC to a point it is unusable

2020-01-10 Thread Nicolas Cadieux

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  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  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  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
> 
> A quinta, 9/01/2020, 20:42, Peter Cornelissen  
> 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
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Re: [Qgis-user] QGIS slows PC to a point it is unusable

2020-01-10 Thread Peter Cornelissen

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  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  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

A quinta, 9/01/2020, 20:42, Peter Cornelissen 
mailto: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
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Re: [Qgis-user] QGIS slows PC to a point it is unusable

2020-01-09 Thread Peter Cornelissen

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  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  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

A quinta, 9/01/2020, 20:42, Peter Cornelissen 
mailto: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
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Re: [Qgis-user] QGIS slows PC to a point it is unusable

2020-01-09 Thread Bernhard Ströbl


Hi Peter,
to me this sounds like a problem with a badly coded plugin. Unload _all_ 
plugins and see if the permformance improves. If it does reload the 
plugins one by one to identify which is causing the trouble.
Of course you can also improve performance by indexing your shape files 
or using another data provider altogeher as has been proposed.

Bernhard

Am 09.01.2020 um 21:42 schrieb Peter Cornelissen:

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



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Re: [Qgis-user] QGIS slows PC to a point it is unusable

2020-01-09 Thread Nicolas Cadieux

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  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
> 
> A quinta, 9/01/2020, 20:42, Peter Cornelissen  
> 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
>> Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user
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Re: [Qgis-user] QGIS slows PC to a point it is unusable

2020-01-09 Thread Alexandre Neto

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

A quinta, 9/01/2020, 20:42, Peter Cornelissen 
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
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[Qgis-user] QGIS slows PC to a point it is unusable

2020-01-09 Thread Peter Cornelissen

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
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Re: [Qgis-user] QGIS slows PC to a point it is unusable

Re: [Qgis-user] QGIS slows PC to a point it is unusable

Re: [Qgis-user] QGIS slows PC to a point it is unusable

Re: [Qgis-user] QGIS slows PC to a point it is unusable

Re: [Qgis-user] Qgis-user] QGIS slows PC to a point it is unusable

Re: [Qgis-user] QGIS slows PC to a point it is unusable

Re: [Qgis-user] QGIS slows PC to a point it is unusable

Re: [Qgis-user] QGIS slows PC to a point it is unusable

Re: [Qgis-user] QGIS slows PC to a point it is unusable

Re: [Qgis-user] QGIS slows PC to a point it is unusable

Re: [Qgis-user] QGIS slows PC to a point it is unusable

[Qgis-user] QGIS slows PC to a point it is unusable

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