Monthly Archives: March 2015

OpenStreetMap tile CDN continues to grow

Since the last additions to our OpenStreetMap tile serving network in December, there has been a lot more server set-up going on.

osm-cdn-2015-03The German tile cache server tabaluga is now retired and is no longer serving tiles. This may sound like bad news, but quite the opposite! Tabaluga has been replaced with a new server, katie, which has taken over its job.
The new tile cache server katie is still located in Falkenstein, Germany, and still hosted by Hetzner.

More good news: There are two tile cache servers in Germany now!
The second tile cache server, konqi, is located in Jena, Germany, hosted by EUserv.

The Russian tile cache server gorynych just had a memory and SSD upgrade, and with this it can deliver even more content.

There is another new server in Hungary. With this Hungary becomes one of 12 countries hosting OSM CDN servers.

Tile cache server sarkany is located in Budapest, Hungary, hosted by

With all of these, the CDN (Content Delivery Network) server count comes to 16 active servers.

Tabaluga was running, thanks to Freerk Ohling, at Hetzner since May 2013, and served its last tiles in January. Freerk approached us back in April 2013 to suggest we implement EDNS client subnet support (implemented in December 2014) and to offer us a sponsored tile cache server. Now he has also kindly sponsored new tile cache servers in Germany.

Tabaluga primarily served traffic to visitors from Germany. Approximately 56 million map tiles per day. (avg 652/sec, peaking at 1245/sec). Serving close to 1TB of data per day. It was the highest traffic OSM tile cache server.

OpenStreetMap tiles are free for everyone to use, but should be used with moderation. If you are a high traffic site you should look at to find out how to use the data and keep the tiles available for everyone.

The OpenStreetMap Foundation seeks additional distributed tile servers. If your organisation would like to donate a tile server and hosting, please see the Tile CDN requirements page on the wiki. You can also support OpenStreetMap by donating to the OpenStreetMap Foundation.

The OpenStreetMap Foundation is a not-for-profit organisation, formed in the UK to support the OpenStreetMap Project. It is dedicated to encouraging the growth, development and distribution of free geospatial data for anyone to use and share. The OpenStreetMap Foundation owns and maintains the infrastructure of the OpenStreetMap project.

Two million OpenStreetMap contributors!

The two millionth account was registered this week, marking another milestone in the continuous and phenomenal growth of OpenStreetMap.

Two million contributors are surveying their neighbourhood, and contributing to the open map of everything. We aren’t done yet. There are still neighbourhoods where we need more mappers, the goal is a mapper on every block.

Celebrate this milestone with a neighbourhood survey to improve your local data. Celebrate further by introducing a friend in another town to OpenStreetMap and teach them how to contribute data from their neighbourhood. We’re still growing. The data is still improving. We’ll get to four million in no time at all with the help of our

Call for Venues for State of the Map 2016

The state of the map working group are delighted to announce that the call for venues for 2016 is now open!

This is much earlier than in previous years which means that you are free to propose any dates within 2016. If there is an exciting event going on in your city that OpenStreetMappers may be interested in, then why not align the conference to this.


The State of the Map working group is here to help you. We’re an expanded team compared to the last few years and are looking forward to receiving your bids. In 2014 we were south of the equator in Buenos Aires, in 2016 we could be in your home country! So lets celebrate hitting 2 million registered users*, share experiences and ideas, and plan for the next 10 years of OSM.

See you in 2016…
— State of the Map, working group

* don’t worry – you won’t have 2 million people turning up on your doorstep looking for somewhere to stay!