2013年10月にHadoop 2. 2が正式リリースされて以来、 Hadoopの世界は大きく変わりました。それまでの概念である 「Hadoop＝ HDFS＋MapReduce」 が刷新され、 MapReduceが受け持っていたMapデータ処理とクラスタリソース管理が分離できるようになりました。これにより ...

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Scheduling means different things depending on the audience. To many in the business world, scheduling is synonymous with workflow management. Workflow management is the coordinated execution of a ...

Hadoop has been known as MapReduce running on HDFS, but with YARN, Hadoop 2.0 broadens pool of potential applications Hadoop has always been a catch-all for disparate open source initiatives that ...

Having worked on Hadoop since day one in 2006, Hortonworks co-founder Arun Murthy is clear about the significance of the latest version of the open-source big-data technology. "Hadoop 2 is a big step.

Big data means big business. One of the most critical assets and organization has is the data that traverses the data center, the user, and the computing environment. All of this information needs to ...

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“The ability to capture data quickly,” George Corugedo, the co-founder and CTO of RedPoint Global, explained, “without worrying how it should be keyed, structured, and fed into a data model gives ...

New reports have emerged of expanding security threats targeting cloud-based Hadoop and YARN instances, including more sophisticated attacks described as “multi ...