[Tile-serving] [openstreetmap/osm2pgsql] osm2pgsql takes 64GB memory for a 1 minute data file (#1129)

[Dirk Stöcker]

Version 1.2.1 seems to have a very major memory leak:

Call

/usr/bin/osm2pgsql --append --database osm --username postgres --number-processes 1 --slim --flat-nodes /var/lib/pgsql/nodes.osmdb --multi-geometry --style /home/map/openstreetmap-carto-de/hstore-only.style --hstore --tag-transform-script /home/map/openstreetmap-carto-de/openstreetmap-carto.lua --prefix planet_osm_hstore --verbose osm-load-next.4301.osc

I already reduced cache and number of processes to the bare minimum and reduced the file size to the minimum of 1 minute and it still takes all memory in a few seconds.

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