[gdal-dev] HTTP range request retrying?

[Even Rouault]

Hi Sean,

The code for retry of range requests of regions of data is at 
https://github.com/OSGeo/gdal/blob/master/gdal/port/cpl_vsil_curl.cpp#L1602 
. It indeed looks like there's no test for that. You might file an issue 
about adding one.

Side node: it might become a maintenance burden on rasterio if you test 
such low level implementation detail of GDAL, especially if you test 
like we do which exact requests are done and in which order, if we 
change at some later point how requests are done

Even

Le 05/10/2021 à 17:44, Sean Gillies via gdal-dev a écrit :
> Hi all,
>
> In writing some rasterio tests I am able to get GDAL to retry head 
> requests for a vsicurl dataset, but am unable to trigger retries for 
> range requests to regions of the data. I don't recognize any tests for 
> range request retrying in or near 
> https://github.com/OSGeo/gdal/blob/master/autotest/gcore/vsicurl.py#L473 
> <https://github.com/OSGeo/gdal/blob/master/autotest/gcore/vsicurl.py#L473>. 
> Do we intend to support this or is it a missing feature?
>
> -- 
> Sean Gillies
>
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