Simple Uber

This is an educational project to show a simple Uber backend architecture.

Install

1.git clone from master

2.npm install to install all dependencies

3.git submodule update --init to install s2-geometry-library

Run

1.node simpleuber/simple_uber.js -n geo_sharding -s 3 to run three nodes on local address

2.node simpleuber/simple_uber.js -n geo_sharding2 -s 3 -p 3003 -b '["127.0.0.1:3000"]' to add three nodes into cluster (known bug: could not add into cluster that is runnign on different ip address)

3.curl -X GET '127.0.0.1:6000/loc?lat=10&log=20' to test geo-based sharding

You should get this Ringpop 127.0.0.1:3000 handled direct request { lat: '10', log: '20' } in cell 1236273900560580608

4.curl -X GET '127.0.0.1:6000/loc?lat=10&log=22' to test another geo-based sharding

You should get this Ringpop 127.0.0.1:3001 handled forward request { lat: '10', log: '22' } in cell 1236947351432593408

Tentative Architecture

Next Step

In near future, I'm going to...

Add different requests to this backend system to implement Uber's most basic features, including updating drivers' location/status, handling riders' requests.
Use Riak as a backup database to increment fault-tolerance.
Add business when adding/removing nodes so to make full use of consistent hashing.
Use Kafka as streaming information provider and gatherer.