On Fri, Dec 10, 2010 at 1:18 AM, Dmytro Korochkin <[email protected]>wrote:
> Hi all > > I'd like to create the local copy of osm api db. > First I populated DB with full planet.osm file using osmosis, > afterwards initialized and created osm change file. > > Should I run --simplify-change before applying the change file to the db? > > I.e. is it required > nice gzip -d -c change.osm.gz | nice ./osmosis --read-xml-change > file=/dev/stdin --simplify-change --write-xml-change file=- | nice > gzip -9 -c > change.unique.osm.gz > You shouldn't need to use --simplify-change. The api db is made to support full history so the --write-apidb-change task supports writing multiple versions of a single entity to the database. If your only aim it to ensure the api db is fully up to date and you don't care too much about history then --simplify-change might make the processing a little bit faster. Brett
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