[OSM-dev] [Maposmatic-dev] Re: Growth of on-disk size of OSM database
frederik at remote.org
Wed Jul 14 16:08:44 BST 2010
Ævar Arnfjörð Bjarmason wrote:
> This is why PostgreSQL administrators usually put VACUUM FULL; in
> their cron.daily, but that doesn't help you at this point.
Actually that never helps; a VACUUM FULL on a full planet slim import on
a machine with standard disks and memory is very likely to lock the
database for more than one day even if done regularly.
> Or you could use MySQL instead of PostgreSQL (if that even works
> anymore). It doesn't use the same model for deletion as PostgreSQL, so
> you'll reclaim your space without expensive VACUUM operations.
To my knowledge, osm2pgsql has never supported MySQL.
Frederik Ramm ## eMail frederik at remote.org ## N49°00'09" E008°23'33"
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