High Level Tips for Redis Most of Stream-Framework's users start out with Redis and eventually move to Cassandra because Redis becomes too expensive to host. Stream, our hosted API for building scalable newsfeeds & activity streams is also based on C…
今天打算写写关于 IM 去中心化涉及的架构模型变化和设计思路,去中心化的概念就是说用户的访问不是集中在一个数据中心,这里的去中心是针对数据中心而言的. 站在这个角度而言,实际上并非所有的业务都能做去中心化设计,对于一致性要求越高的业务去中心化越难做.比如电商领域的库存就是一个对一致性要求很高的业务,不能超卖也不能少卖,这在单中心容易实现,但多中心纯从技术层面感觉无解,可能需要从业务和技术层面一起去做个折衷. 反过来看 IM 的业务场景是非常适合做去中心化设计的,因为其业务场景都是弱一致性需求.打…
Awesome Python A curated list of awesome Python frameworks, libraries, software and resources. Inspired by awesome-php. Awesome Python Environment Management Package Management Package Repositories Distribution Build Tools Interactive Interpreter Fi…
Machine and Deep Learning with Python Education Tutorials and courses Supervised learning superstitions cheat sheet Introduction to Deep Learning with Python How to implement a neural network How to build and run your first deep learning network Neur…