<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
</head>
<body>
<p><br>
</p>
<div class="moz-cite-prefix">Le 24/10/2024 à 22:26, Varun Sharma via
gdal-dev a écrit :<br>
</div>
<blockquote type="cite"
cite="mid:CAMS_tAui0LZYp6TZiUYOQA5p0y71x6arpWC4WL1jrY26O5qO1Q@mail.gmail.com">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<div dir="ltr">
<div>Thanks Even for your prompt reply!<br>
<br>
1. Just to clarify, with GDAL v3.10.0, the command <br>
<br>
<span
style="color:rgb(0,0,0);font-family:Consolas,Menlo,Monaco,"Lucida Console","Liberation Mono","DejaVu Sans Mono","Bitstream Vera Sans Mono",monospace,serif;font-size:12px">ogr2ogr
-f GPKG ogr_water.gpkg -spat 7.5 46.5 7.7 46.7
/vsis3/overturemaps-us-west-2/release/2024-08-20.0/theme=base/type=water/</span><br>
is fine and I should see a ( significant ) speed up .. yes ? <br>
</div>
</div>
</blockquote>
<p>Normally. but far from being instantaneous on my currently not
super fast Internet connection</p>
<p>You may try the gdal-master conda-forge channel to test right
now:
<a class="moz-txt-link-freetext" href="https://gdal.org/en/latest/download.html#gdal-master-conda-builds">https://gdal.org/en/latest/download.html#gdal-master-conda-builds</a><br>
</p>
<blockquote type="cite"
cite="mid:CAMS_tAui0LZYp6TZiUYOQA5p0y71x6arpWC4WL1jrY26O5qO1Q@mail.gmail.com">
<div dir="ltr">
<div><br>
2. the apache arrow project libs itself have many knobs to
tweak like threadpools, i/o threads, memory pools etc - are
these exposed in GDAL configuration options ?<br>
</div>
</div>
</blockquote>
<p>some are. See
<a class="moz-txt-link-freetext" href="https://github.com/OSGeo/gdal/blob/master/ogr/ogrsf_frmts/parquet/ogrparquetdatasetlayer.cpp#L505-L542">https://github.com/OSGeo/gdal/blob/master/ogr/ogrsf_frmts/parquet/ogrparquetdatasetlayer.cpp#L505-L542</a></p>
<p>They should probably be mentioned in
<a class="moz-txt-link-freetext" href="https://gdal.org/en/latest/drivers/vector/parquet.html">https://gdal.org/en/latest/drivers/vector/parquet.html</a> but I
haven't been brave enough to do that, not always fully
understanding what they actually do in libarrow/libparquet</p>
<p>Even<br>
</p>
<p><span style="white-space: pre-wrap">
</span></p>
<pre class="moz-signature" cols="72">--
<a class="moz-txt-link-freetext" href="http://www.spatialys.com">http://www.spatialys.com</a>
My software is free, but my time generally not.
Butcher of all kinds of standards, open or closed formats. At the end, this is just about bytes.</pre>
</body>
</html>