Apache Security Best Practices

Currently, the Hadoop-based big data open source ecosystem is widely used. At the earliest, Hadoop was considered to be deployed only in a trusted environment, and as more departments and users joined, any user could access and delete data, putting data at great security risk.

Analysis is the core of all enterprise data deployments. Relational databases are still the best technology for running transactional applications (which is certainly critical for most businesses), but when it comes to data analysis, relational databases can be stressful. The adoption of an enterprise's Apache Hadoop (or a large data system like Hadoop) reflects their focus on performing analysis, rather than simply focusing on storage transactions. To successfully implement a Hadoop or class Hadoop system with analysis capabilities, the enterprise must address some of the following 4 categories to ask ...

Preface Having been in contact with Hadoop for two years, I encountered a lot of problems during that time, including both classic NameNode and JobTracker memory overflow problems, as well as HDFS small file storage issues, both task scheduling and MapReduce performance issues. Some problems are Hadoop's own shortcomings (short board), while others are not used properly. In the process of solving the problem, sometimes need to turn the source code, and sometimes to colleagues, friends, encounter ...

As with all enterprise data, large data can only be used to project users through applications. For architects who design or redesign http://www.aliyun.com/zixun/aggregation/8213.html "> Large data applications, a key question is whether to use object-oriented architecture (SOA) or restful The API connects large data components and services to other parts of the application. Start with an interface that is exposed by a large data product and then define a large data interface on the application side. Connect with ...

For many companies, the Hadoop framework is just beginning to be enabled, and some examples of best practices have only recently emerged. Piyush Bhargava, chief Data Architect at Cisco Systems, says how to choose the Hadoop release and how to integrate Hadoop and mapreduce with existing systems is the main dilemma the company faces when it comes to enabling Hadoop. He suggested that the company should consider feasible when putting into production ...

From 2008 only 60 people attended the technical salon to the present thousands of people technical feast, as the industry has a very practical value of the professional Exchange platform, has successfully held the seven China large Data technology conference faithfully portrayed a large data field in the technical hot spot, precipitated the industry's actual combat experience, witnessed the development and evolution of the whole large data ecological circle technology. December 12-14th, hosted by the China Computer Society (CCF), CCF large data expert committee, the Institute of Computing Technology of the Chinese Academy of Sciences and CSDN co-organized the 2014 China Large Data Technology conference (Big&n ...

"Guide" Xu Hanbin has been in Alibaba and Tencent engaged in more than 4 years of technical research and development work, responsible for the daily request over billion web system upgrades and refactoring, at present in Xiaoman technology entrepreneurship, engaged in SaaS service technology construction. The electric dealer's second kill and buys, to us, is not a strange thing. However, from a technical standpoint, this is a great test for the web system. When a web system receives tens or even more requests in a second, system optimization and stability are critical. This time we will focus on the second kill and snapping of the technology implementation and ...

Free and open source software (FOSS) has gained popularity in the computing space over the 25 years since Richard Stallman wrote the GNU General Public License (GPL for short): now exists in many organizations around the world, such as Linux, Apache HTTP Server and MySQL. And now open source cloud computing is also more and more applications. Byrd, Director of Product Management, Cloud Business Products, Management Software and Red Hat Enterprise MRG (Real Time Information Grid Platform) ...

Storing them is a good choice when you need to work with a lot of data. An incredible discovery or future prediction will not come from unused data. Big data is a complex monster. Writing complex MapReduce programs in the Java programming language takes a lot of time, good resources and expertise, which is what most businesses don't have. 　　This is why building a database with tools such as Hive on Hadoop can be a powerful solution. Peter J Jamack is a ...

"Guide" has been a growing number of experts see the lack of cloud computing standards will virtually hinder people to accept cloud computing, this is mainly due to the cloud vendors to lock users of the concerns and the different cloud computing between the virtual machine and data migration helplessness. A growing number of experts have seen that the lack of cloud computing standards will virtually hinder people's acceptance of cloud computing, largely because of concerns over cloud-vendor lock-in and the helplessness of virtual machines and data migrations between different cloud computing. Today, only cloud computing standard--open virtualization Format (OVF) ...