Cloud storage and Database: Brotherhood

The internet has never been a peace, whether in the era of cloud computing or large data era, the Internet world is always undulating, before the advent of cloud computing, Oracle, MSSQL, MySQL, Postgres and other relational databases entrenched data kingdom most of the country, few can shake its position.

But now that the information is flying in the era of change in this situation, with the rapid growth of data access, relational database scalability shortcomings gradually exposed. Although the problem of scaling up can be solved in a short time by adding memory and updating the data management system, this does not conform to the sustainable development rule.

Cloud-storage technologies that come from cloud computing are first born in internet companies. Cloud storage technology is not specifically a technology, it is a general term of a large class of technology, it works together through the functions of cluster application, grid technology or distributed file system or similar grid computing, and provides a certain type of storage service and access service for users with certain application software or application interface. and complex back-end support enables cloud storage to present more advantages than relational databases in the front-end: Easy expansion, reliable security, controllable resources, high utilization, low cost and fast speed.

These advantages enable cloud storage technology to have its own areas of expertise, such as statistical analysis of the daily traffic flow of data is very large, the need for cloud storage such a large-scale distributed deployment. However, in the face of very high consistency requirements of the transaction-intensive computing, cloud storage appears powerless. Generally speaking, there are three major requirements in a large scale distributed database system, i.e., consistency, availability and partitioning tolerance, the traditional relational database has very limited support in the area, but consistency and usability are the advantages. In other words, the short board of cloud storage is the advantage of relational database, and they are complementary to some extent.

On the one hand, there are already Jinshan fast disk, 115 network disk, Baidu network disk and other occupy the market, and are carrying out a huge free marketing. On the other hand, there are strong supporters of relational databases in traditional enterprises. In this context, users are easily lost in their eyes and choose a storage service that is not suitable for them. Cloud storage is not a relational database terminator, at present can not jump to the conclusion, as users, we need to put aside the exciting advertising, calm analysis of their own needs. In the sense of responsibility, the merchant has the obligation to help customers choose the database suitable for their application, to achieve maximum efficiency and minimize cost.

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