金融界2025年7月29日消息，国家知识产权局信息显示，中国邮政储蓄银行股份有限公司申请一项名为“基于MapReduce模型的Skyline查询方法、装置、设备及计算机程序产品”的专利，公开号CN120371855A，申请日期为2025年04月。 专利摘要显示，本申请公开了一种基于MapReduce模型的Skyline查询方法、装置、设备及计算机程序产品，该方法包括：获取用户的查询偏好数据；根据查 ...

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。

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

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。

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.

MapReduce needs to be pluggable, just like Web servers are now. Web applications can be easily developed in C# (and other languages), which is why the Web became mainstream as a platform, even ...

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 ...

Google's patent on MapReduce could potentially pose a problem for those using third-party open source implementations. Patent #7,650,331, which was granted to Google on Tuesday, defines a system ...

Hadoop MapReduce jobs have a unique code architecture that raises interesting issues for test-driven development. In this article Michael Spicuzza shows how to use MRUnit to solve these problems.