ingest • needs to be user-friendly: http://www.radiotimes.com/programme/cf2/eastenders • mongo: findAndModify() • solution: uses Astyanax client with its distributed locking • more details: http://metabroadcast.com/blog/let- cassandra-identify-your-data
• AWS Region = Datacentre • AWS Availability Zone = Rack • only recently introduced in MongoDB but simple to implement in Cassandra • horizontally (and vertically) scalable
basic TCP service check • stats from API not very helpful • nodetool and CLI tools useful • manual effort to integrate them • if only there was some useful service...