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Since version 11 PostgreSQL can use Just-in-Time Compilation (JIT) to speed up processing. But unfortunately using JIT can make osm2pgsql slower.

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Osm2pgsql has been an important part of the OpenStreetMap software stack for a long time. But its documentation is scattered between the OSM wiki, the Github repository and other places here or there. Now, thanks to some money the OpenStreetMap Foundation is putting towards osm2pgsql development, we can unvail a new website for the project allowing us to bring together all the information about the project.

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This release introduces the new “flex” output. It allows a more flexible definition of output tables and columns. It also adds a second stage of processing which makes it possible to get information from relations to their members, allowing, for instance, to render tags from bicycle route relations on their member ways. The “flex” output is configured through Lua scripts.

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