[Qgis-psc] QGIS 2.18 bug fixing effort

[Nyall Dawson]

On 21 May 2017 at 05:30, Giovanni Manghi <giovanni.manghi at gmail.com> wrote:
> a little update on the loss of performances in the latest versions of
> QGIS (as pointed in several tickets in the tracker).
>
> I used a:
>
> 758k polygon layer
>
> qgis 2.18.7 and 2.14.14 on Ubuntu instelled from QGIS repositories
> (the ones that also use Ubuntugis)
> qgis master compiled by myself *without* any debug output.
>
>
> a)  2.14.14
>
> rendering time:
> real    0m21.217s
> user    0m17.120s
> sys     0m0.908s
>
> table
> 12 seconds to open the whole table
>
>
> b) 2.18.7
>
> rendering time:
> real    0m25.341s
> user    0m19.684s
> sys     0m1.120s
>
> table
> in 9:30 minutes it loadaed about half of ~758k records (the I aborted)

Please test https://github.com/qgis/QGIS/commit/b97a980b99a32f7cbbb8cc32ac6a781246df1171
- I think this should fix it.

Nyall