金融界2025年7月15日消息，国家知识产权局信息显示，西安理工大学;广西东信易通科技有限公司取得一项名为“一种基于MapReduce的最邻近空间集合关键字查询方法”的专利，授权公告号CN116303521B，申请日期为2022年10月。

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 ...

可以看到，导入任务在INFO mapreduce.Job: map 100% reduce 0%时停住了，停了5分钟，然后任务自动重跑，又卡住停了5分钟，最后任务报了个超时的错误。

Key Takeaways Free Hadoop courses help learners build strong big data foundations.Many courses cover real-world projects and ...

Google's MapReduce patent raises some troubling questions for software like Hadoop, but it looks unlikely that Google will assert the patent in the near future; ...

MapReduce: A programming model that simplifies distributed data processing by dividing tasks into map and reduce functions operating in a parallel, fault-tolerant manner.

MapReduce is a coding pattern that abstracts much of the tricky bits of scalable computations. We're free to focus on the problem at hand, but it takes practice. So let's practice! Say you have 100 ...

Hadoop MapReduce has been widely embraced for analyzing large, static data sets. New technology integrates a stand-alone MapReduce engine into an in-memory data grid, enabling real-time analytics on ...

Five challenges for Hadoop™ MapReduce in the Enterprise. Lack of performance and scalability – Current implementations of the Hadoop MapReduce programming model do not provide a fast, scalable ...