[Qgis-developer] Memory leak in QGIS 2.14 with a Shapefile

[kimaidou]

Hi again,

I also forgot to mention that I have no memory leak when using the same
dataset in PostGIS ( tested by importing the Shapefile in PostGIS with
shape2pgsql )

Michaël

2016-05-09 11:07 GMT+02:00 kimaidou <kimaidou at gmail.com>:

> I forgot to mention the steps to reproduce the bug, and the precautions to
> take :
>
> * open the project in QGIS 2.14 ( I have not tested with older versions)
>
> * open a terminal and use this kind of command to monitor QGIS memory
> consumption : htop, or ps with
> watch -n1 'ps -aux --sort -pmem | head -5'
>
> * Navigate through the project by zooming in and out, pan, etc. I think
> you emphasize the memory leak by displaying the layer at small scale ( with
> many buildings displayed)
>
> * Be aware that this will increase the memory, so keep an eye on the
> memory consumption so that your system has enough free memory to work
> properly.
>
> Michaël
>
> 2016-05-09 11:00 GMT+02:00 kimaidou <kimaidou at gmail.com>:
>
>> Hi devs,
>>
>> I have just found a memory leak in QGIS Desktop (and server) with the
>> project available in [1] ( a 20Mo tar.bz2 )
>>
>> This is a very simple project with only one buildings Shapefile ( SHP
>> 68Mo). This layer has been exported from PostGIS from a query wich aimed to
>> simplify the building for fast rendering.
>>
>> The geometries have been simplified ( I used SnapToGrid, then
>> (St_Dump(St_Union(a.geom)))  to remove as many nodes as possible )
>>
>> The layers has ~ 700 000 features.
>>
>> Has anyone encoutered such a leak ?
>>
>> [1]
>> https://framadrop.org/r/_7VsZtvzdU#+eJHHPPOIdVcgj/AUp8V91T9m6gmO7/XCh6uOhzP7ro=
>>
>> Cheers,
>>
>> Michaël
>>
>
>
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