[OSM-talk] [OSM-dev] Overpass API: new big server, IPv6

[Samat K Jain]

On Wednesday, November 23, 2011 08:48:29 PM Roland Olbricht wrote:
> In the default settings, Overpass API imports the planet without exceeding 
1GB 
> of RAM. It can be tuned to need less than that, probably around 256 MB, by 
> changing the settings before compiling. This would make the import slower, 
but 
> a smaller area may more than compensate for that.
> 
> The whole planet (20 GB gzip compressed XML) needs 24 to 48 hours in a 
> standard setting. An extract of Northrine-Westphalia (300 MB gzip 
compressed 
> XML) takes about 10 minutes. Assuming the UK around 1 GB gzip XML, it 
should 
> take between 30 minutes and 2 hours.

Where exactly can these by defaults be changed?

Conversely, can import performance be improved by increasing the amount of RAM 
used?

Thanks!

-- 
Samat K Jain <http://samat.org/> ▪ GPG: 0x4A456FBA

"Are you sure you're not an encyclopedia salesman?"
"No, Ma'am. Just a burglar, come to ransack the flat."
— Monty Python (278)

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