Linux Ip Failover

MongoDB company formerly known as 10gen, founded in 2007, in 2013 received a sum of 231 million U.S. dollars in financing, the company's market value has been increased to 1 billion U.S. dollar level, this height is well-known open source company Red Hat (founded in 1993) 20 's struggle results. High-performance, easy to expand has been the foothold of the MongoDB, while the specification of documents and interfaces to make it more popular with users, this point from the analysis of the results of Db-engines's score is not difficult to see-just 1 years, MongoDB finished the 7th ...

Cluster is a hot topic, in the enterprise more and more application of Linux operating system to provide mail, Web, file storage, database and other services, with the growing application of Linux, high availability and http://www.aliyun.com/zixun/aggregation/ 13996.html "> Load balanced Linux cluster is also developing gradually in the enterprise. The low cost, high performance and high scalability of the Linux platform enable the Linux cluster to meet at a low price ...

Introduction to Namenode in Hadoop is like the heart of a human being, and it's important not to stop working. In the HADOOP1 era, there was only one namenode. If the Namenode data is missing or does not work, the entire cluster cannot be recovered. This is a single point in the Hadoop1 and a hadoop1 unreliable performance, as shown in Figure 1. 　　HADOOP2 solved the problem. The high reliability of HDFs in hadoop2.2.0 means that you can start 2 name ...

1, Cluster strategy analysis: I have only 3 computers, two ASUS notebook i7, i3 processor, a desktop PENTIUM4 processor. To better test zookeeper capabilities, we need 6 Ubuntu (Ubuntu 14.04.3 LTS) hosts in total. The following is my host distribution policy: i7: Open 4 Ubuntu virtual machines are virtual machine name memory hard disk network connection Master 1G 20G bridge master2 1G 20G ...

Server08 R2 is the cloud mainstream operating system 2012, the development of cloud computing has begun to descend slowly, after all, the ultimate goal of cloud computing is to bring profits to the business, to bring convenience to people's lives, illusory things even if the outline of the perfect will be eliminated.   In 2012, cloud computing has begun to solve the real problem for users, the major IT vendors have launched their own cloud solutions, it can be said that the next step of cloud computing will usher in a real test, but also the cloud is ushered in a rapid landing opportunities. ...

The traditional relational database has good performance and stability, at the same time, the historical test, many excellent database precipitation, such as MySQL. However, with the explosive growth of data volume and the increasing number of data types, many traditional relational database extensions have erupted. NoSQL database has emerged. However, different from the previous use of many NoSQL have their own limitations, which also led to the difficult entry. Here we share with you Shanghai Yan Technology and Technology Director Yan Lan Bowen - how to build efficient MongoDB cluster ...

The service delivery platform (SDP) was born with the need to quickly create advanced multimedia services: IPTV, mobile video, gaming, location-based Services (LBS). But is there a service delivery platform role in cloud computing? It may be, but they are by no means the service delivery platform we recognize today. To maintain the relevance of cloud computing service providers, the service delivery platform must evolve accordingly. Decades ago, the primary service of the network was voice communications, and the service was embedded in central and vertical switches. With the development of network services, and become more and more soft ...