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<p class="MsoNormal">This solved the crashes, though there was no performance improvement from having these run in parallel. Difficult to say from here if this is a Python GIL or SQL contention issue.<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:12.0pt">Best,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt">Jesse<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt">Lead Computer Scientist<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt">Science Systems and Applications, Inc.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt">Dr Compton Tucker Team<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt">NASA Goddard Space Flight Center</span><o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><b><span style="color:black">From:
</span></b><span style="color:black">Even Rouault <even.rouault@spatialys.com><br>
<b>Date: </b>Monday, October 28, 2024 at 12:19</span><span style="font-family:"Arial",sans-serif;color:black"> </span><span style="color:black">PM<br>
<b>To: </b>Meyer, Jesse R. (GSFC-618.0)[SCIENCE SYSTEMS AND APPLICATIONS INC] <jesse.r.meyer@nasa.gov>, Meyer, Jesse R. (GSFC-618.0)[SCIENCE SYSTEMS AND APPLICATIONS INC] via gdal-dev <gdal-dev@lists.osgeo.org><br>
<b>Subject: </b>Re: [EXTERNAL] Re: [gdal-dev] gdal.Rasterize with same OGR dataset from two python threads</span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
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<p class="MsoNormal">Le 28/10/2024 à 17:15, Meyer, Jesse R. (GSFC-618.0)[SCIENCE SYSTEMS AND APPLICATIONS INC] a écrit :<o:p></o:p></p>
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<p class="MsoNormal">How can I “open” a handle to a pre-existing memory dataset? That sounds like it may work for me.<o:p></o:p></p>
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<p>If it is a dataset from the "Memory" driver, no. Otherwise you could for example create a GeoPackage (or shapefile... if you don't want to hit any SQLite locking) as a /vsimem/ file and open it as many times as wished.<o:p></o:p></p>
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<pre>-- <o:p></o:p></pre>
<pre><a href="http://www.spatialys.com/">http://www.spatialys.com</a><o:p></o:p></pre>
<pre>My software is free, but my time generally not.<o:p></o:p></pre>
<pre>Butcher of all kinds of standards, open or closed formats. At the end, this is just about bytes.<o:p></o:p></pre>
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