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TileMan

TileMan+Tirex: new alternative for Tile Service

FOSS4G 2013/Tokyo
Hiroshi Miura(@miurahr) 
OpenStreetMap Foundation Japan

github.com/osmfj/tileman

Agenda

Motivation

Motivation: At first

Realize simple tile CDN for Japan
Utilize cloud server sponsord by GMO Internet

Motivation: chaged mind soon

Starting local tile service
- Feature to help adoption in public sector
- Map design to familiar local users
- Flexible

What's TileMan

Distributed tile server frontend

http://osmfj.github.io/tileman

TileMan: tile manager

Non-fledged Tile Serving Manager

It makes Tirex to different
- Distributed Tile Serving
- render-ahead feature
- non-blocking, high performance request handling
Just started in March, 2013. and now v1.3 and soon v1.4.

TileMan: powerful

Powerful load control and direction
- by requested tiles geometory.
- by client address, city, country
- by requested browser version

TileMan: by client country

Border dispute Island between Korea and Japan.

From IP Address Korean, From IP Address Japan

TileMan: use case

OSMF Japan serves Japan tiles: tile.openstreetmap.jp
- Act as cache server for other tiles than Japan
- Dynamic boarder display control
- Serving live tiles around Japan
- render-ahead feature enabled

Easy install

Uubntu PPA at launchpad.net/~osmjapan
Vagrant support (one line command build server)

Architecture

Overview

TileMan: configuration

Typical Servers configuration

TileMan: configuration (cont.)

Extensive servers configuration

TileMan: Internal

OpenResty: App Server Extension for Nginx

Web Application Server

high-performance & 10K+ connections
Lua programming language
backends: MySQL, PostgreSQL, Memcached, and Redis

Nginx

nginx.org: high performance http server

World 2nd http server (12.3% of active site)
Asynchronous architecture, event driven
Low memory foot print, CPU usage

Lua

"Lua" (pronounced LOO-ah) means "Moon" in Portuguese

Lua

lua.org

Scripting language born in Brazil in 1992
- Simple procedural syntax/tileman_software_stack.png
- powerful data description
- Dynamic variable type
- Register-based virtual machine
- Automatic memory management

Tirex: at glance

Tirex: pronounce "Ti-rex"

the tile server suite
designed for OpenStreetMap
powered by Perl
multiple backend: mapnik, mapserver, et. al.
parallel rendering

TileMan: utilities

Help create/import/update postgis DB from planet data
Expire old tile using powerful Tirex-batch
Vagrant script for automate configution .

Future Challenge

mod_tile/renderd protocol support
Lightweight Vector tile service
- GeoJSON
- PostgreSQL/PostGIS integration
Automation support

Thanks and welcome

Ideas, suggestion and participation are welcome!

tile-serving ML or github.com/osmfj/tileman

You can reach this presentation at https://miurahr.github.io/
Tile Server supported by GMO Internet group.
TileMan Photo: flickr.com/photos/brieanddylan/4602743878