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Roshi: a CRDT system for timestamped events | SoundCloud Backstage Blog
Let’s talk about the stream. The SoundCloud stream represents stuff that’s relevant to you primarily via
your social graph, arranged in time order, newest-first. The atom of that data
model, an event, is a simple enough thing. Timestamp User who did the thing Identifier of the thing that was done For example, At 2014-04-01T13:14:15.034Z, a-trak Reposted track skrillex/duck-sauce-nrg-skrillex-kill If you followed A-Trak, you’d want to see that repost event in your stream.
Easy. The difficult…
* Roshi：SoundCloud 的时间序列事件分布式存储系统
