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

[kimaidou]

Hi Matthias,

Not yet, I need to build QGIS master before being able to report back
Thanks for your answer

2016-05-09 14:59 GMT+02:00 Matthias Kuhn <matthias at opengis.ch>:

> Have you tested with either the latest 2.14 nightly or master nightly?
> An issue with OGR connection pooling has been resolved recently. And I
> wonder if that could be related.
>
>  -- Matthias
>
>
> On 05/09/2016 02:28 PM, kimaidou wrote:
>
> I created an issue about it : <http://hub.qgis.org/issues/14792>
> http://hub.qgis.org/issues/14792
>
> 2016-05-09 11:48 GMT+02:00 kimaidou <kimaidou at gmail.com>:
>
>> 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>
>> 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>
>>> 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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>
> --
> Matthias Kuhn
> OPENGIS.ch - https://www.opengis.ch
> Spatial • (Q)GIS • PostGIS • Open Source
>
>
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