【IT168 技术】之前的文章中介绍了如何基于Mongodb进行关系型数据的分布式存储，有了存储就会牵扯到查询。虽然用普通的方式也可以进行查询，但今天要介绍的是如何使用MONGODB中提供的MapReduce功能进行查询。 今天介绍如何基于sharding机制进行mapreduce查询。

In a blog post, Tom Moor – co-founder and chief hacker at social media post scheduling app Buffer – describes how his company uses the NoSQL database MongoDB to gain real-time insight into internal ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Sophie Beaumont shares how the BBC's web ...

MapReduce was invented by Google in 2004, made into the Hadoop open source project by Yahoo! in 2007, and now is being used increasingly as a massively parallel data processing engine for Big Data.

Cloudera Inc. and MongoDB Inc. yesterday announced a strategic partnership to integrate their Big Data technologies. Cloudera is one of the main players in the Big Data space, with a popular Hadoop ...