[QGIS-Developer] Flatgeobuf for processing

Matthias Kuhn matthias at opengis.ch
Sat May 9 00:18:47 PDT 2020


Hi

On 5/9/20 9:04 AM, Alexander Bruy wrote:
> Not sure this makes much sense. Now Processing stores temporary
> results as memory layers
As long as you have enough memory, that's a good approach. When your 
system starts paging, you better have a backup plan.
> and uses .shp/.geopackage as intermediate
> format because these formats are compatible with wast majority of 3rd
> party tools.

I dare to guess that those flexible enough to have picked up geopackage 
in the last years are likely to pickup flatgeobuf in the near future too.

> Also as flatgeobuf does not provide random write capability it can be
> slow in some cases.

In which cases does processing do random writes? I think in most cases 
it streams data from/to feature sources or to feature sinks.

Matthias




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