Introduction to Ceph

什么是Ceph

Ceph是一个可扩展的，高性能的分布式存储系统。提供了三种不同类型的接口以适应不同的应用场景：

  • block-based: 块存储，可以用做VM的虚拟磁盘
  • object-based: 对象 …
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Using Set Cover to Optimize a Large-Scale Low Latency Distributed Graph

Background

Linkedin (or other social networks, such as Facebook and G+) use the “social graph information” to show the social relationship between you and other members.

Such as, “You and Mr.Obama share 10 mutual friends” or “You have 1,000 second-degree connections”.

This feature is very common for a …

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ZeroMQ启示录

ØMQ是一个消息系统

ZeroMQ是一个消息系统，也被称为“消息中间件”。它被广泛的用于经济、游戏、嵌入式等领域。

什么是消息系统

打个比方，消息系统就像我们使用的 …

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