Mark Litwintschik • 11/3/2025

2.7 Billion Buildings

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The article details the process of converting the new OpenBuildingMap dataset—containing footprints, heights, and usage data for 2.7 billion global buildings—from GeoPackage files to ZStandard-compressed Parquet files hosted on AWS S3. It explains the performance and storage advantages of columnar formats for large-scale geospatial analysis and describes the author's high-performance workstation setup and tools used for the conversion.

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#data processing #aws s3 #Openstreetmap
2.7 Billion Buildings

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