[OSM-dev] Planet file space requirements

[Andy Allan]

On Fri, Oct 30, 2009 at 12:08 AM, Jon Burgess
<jburgess777 at googlemail.com> wrote:
> On Thu, 2009-10-29 at 23:40 +0000, Shaun McDonald wrote:
>> On 29 Oct 2009, at 22:45, Linden Varley wrote:
>>
>> > Is there potential to be able to do differential updates on a non-
>> > slim imported db?
>>
>> No you need slim mode to do diff updates.
>>
>
> There is an alternative - you could use osmosis to regenerate the
> complete planet.osm file each week from the diffs. Then this could be
> imported without slim mode into osm2pgsql. I don't know how well this
> would work in practice.

It works fine, that's what we do with the cycle map. Once a week we
build a diff from the daily diffs and apply it to a planet to make a
new planet, then import that.

Cheers,
Andy