[OSM-dev] Duplicated nodes in Potlatch

Matt Amos zerebubuth at gmail.com
Sun Oct 5 17:00:54 BST 2008


On Sun, Oct 5, 2008 at 1:02 PM, Richard Fairhurst <richard at systemed.net> wrote:
> Rogier Wolff wrote:
>> Number one has the disadvantage of allowing the database to grow
>> bigger than it needs to be.
>
> Heh. Of course, we have an elephant in the room there - one which,
> mercifully, 0.6 will address. I committed a change last night (not
> deployed yet) so that amf_controller filters out created_by tags on
> nodes before sending them to Potlatch, which ignores them anyway. On
> average it cuts the amount of data transmitted by about 25%....

just out of interest, i did a quick check on a recent UK extract: 65%
of all tags are created_by and that 87% of created_by tags are JOSM.

i was quite surprised :-)

cheers,

matt




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