[OSM-dev] First beta release of new OSM data storage for tile servers

[Jukka Rahkonen]

Hi,

Is is possible to use COORDS for all kind of geodata? Is it possible to 
import data from PostGIS into COORDS or could it be possible to write a 
GDAL/OGR driver for COORDS?

-Jukka Rahkonen-

Robert Buchholz wrote 2015-03-17 11:58:
> (cross-posting to the dev and tile-serving mailing lists)
> 
> COORDS is a new vector data storage backend for OSM tile servers. It
> is intended to some day replace Postgres/PostGIS in the OSM render
> toolchain. COORDS is developed from scratch (not based on any existing
> DBMS), and is focused on quickly answering exactly those data queries
> that are typical for tile servers, while reducing memory consumption
> and I/O load over Postgres, especially for huge data sets (e.g. planet
> dumps).
> 
> The first version of COORDS has recently been released as .deb
> packages for Ubuntu 14.04. These can be found in the PPA
> https://launchpad.net/~rbuch703/+archive/ubuntu/openstreetmap .
> Installation and configuration instructions can be found at
> http://rbuch703.github.io/coords/ . Manual build instructions are
> available at the same page, but YMMV as the Mapnik plugin was
> developed only towards the Mapnik version bundled with TileMill (some
> 2.3.x developer release).
> 
> This version is yet incomplete (e.g. it handles only OSM ways, no
> relations or individual nodes), but can already be used as a
> replacement for Postgres in the OSM render toolchain (demo tile
> server: http://render.rbuch703.de ; yes, the map style sucks :-) ).
> Performance comparisons to Postgres are difficult as COORDS is still
> incomplete, but initial tests look promising: on a 2.4 GHz server with
> 32GB RAM and HDD-based storage, the import of a planet dump takes only
> about six hours (Postgres via osm2pgsql takes more than 72h on the
> same hardware), and rendering the level 3 metatile containing all the
> world's railway tracks and major roads in the demo map style takes
> less than a minute.
> 
> At this time, I am mostly looking for people who are willing to test
> this beta release of COORDS and give feedback of any kind
> (performance, ease-of-use, suitability for render servers, missing
> features, ...).
> 
> COORDS is free software, licensed under the AGPL v3 (tools) and
> LGPL2.1 (Mapnik plugin), respectively. Source code is available from
> github at https://github.com/rbuch703/coords and
> https://github.com/rbuch703/coords-mapnik-plugin .
> 
> 
> Best Regards,
> Robert Buchholz
> 
> 
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