Integrating Hadoop Data with Oracle Parallel Processing

二月 16, 2011 by · 111 Comments 

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Various industry verticals are seeing vast amounts of data that is stored on file systems. These vast amounts of data are typically data that contains a lot of irrelevant detail and some gems useful for further analysis or enriching other data sources. Despite storing this data outside of the database some customers do want to integrate this data with data stored in the database. The goal of such integration is to extract information that is of value to the business users.

This post describes in detail how to access data stored in a Hadoop cluster from within an Oracle database. Note that we picked Hadoop and HDFS as an example. These strategies apply to other distributed storage mechanisms as well. In this post we describe various access methods and show a concrete example of an implementation of such an access method to access data from both HDFS and from with the Oracle database.

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德国将服务型互联网列为经济新突破口

十二月 17, 2010 by · 59 Comments 

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译自:2010 年11 月30 日 【德国】经济和技术部网站
编译:中国贸促会电子信息行业分会 王敏

“如今,在互联网领域兴起了一种新的服务经济——服务型互联网。通过云计算等其它服务方式,这种基于互联网的服务正朝着多元化的方向发展。”这是由德国经济和技术部牵头,国际服务管理商学院(ISS)、欧洲经济研究中心(ZEW)和德国Pierre Audoin 管理咨询公司(PAC)共同发起的针对“服务型互联网的经济潜力”的一项研究得出的结论。 Read more

日本云计算市场迅速扩大 公、私领域均高速增长

十二月 14, 2010 by · 102 Comments 

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转自 新闻中心-中国网 news.china.com.cn 时间: 2010-12-09  责任编辑: 罗琪

中国网讯 日本云计算市场正在迅速扩大。任何人都可使用的“公共云计算”领域与2009年相比增长了42%,而仅在公司内部可以使用的企业用户“私有云计算”也实现 了30%多的年增长率。同时,日本政府致力于培育至2020年达到40万亿日元规模的新市场,并开始着手于战略的实施。 Read more

E2Cloud体验-快速构建一个开发项目环境

十月 11, 2010 by · 160 Comments 

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马上体验

知识库:如何解决VMware ESX 4.0中Windows 7和Windows 2008 R2虚拟机黑屏的问题

八月 5, 2010 by · 72 Comments 

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问题现象

  • VMware ESX 4.0运行Windows 7或Windows 2008 R2虚拟机的时候,发生黑屏或重启不能正常启动
  • Windows 7或Windows 2008 R2虚拟机在安装VMware Tools之后,重启不能正常启动

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