Distributed identifier generation service
- Engine
- Supplier
- Controller
- Generator
- Tornado powered web-server which returns next set of IDs to fetch and current system stats
- Keeps an eye on the storage system using distributed locking
- Returns state of the system and storage
- Collect perpared set of IDs from storage and pass it to 'Engine' on demand
- Invokes 'controller' when 'master' storage is in 'caution' state
- Shift main system storage between 'master' and 'slave'
- Insert data from 'generator' into 'slave' storage on demand
- Generate non-sequential identifiers of fixed-length
- Uses a little Group Theory and properties of Anagrams
- RethinkDB