Cloud computing architecture technology and practices: 4.6 database cloud, cloud Database

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Cloud computing architecture technology and practices: 4.6 database cloud, cloud Database

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2.4.6 database cloud

The database cloud solution is based on the overall cloud computing architecture, as shown in Figure 2-34.

Figure 2-34 database cloud solution architecture subsystem combination

Database cloud mainly refers to the structured/semi-structured database processing system built on the cloud platform.

Database cloud can be built either on a virtualization platform or on a physical platform.

In scenarios with high performance requirements, the system is generally built based on a physical platform and does not require Elastic Computing (dotted lines in the figure). In scenarios with large capacity requirements and many application users, you can use a form built on the virtualization platform.

The database cloud generally appears in the form of a database all-in-one machine and will be enhanced in the following aspects:

L database acceleration: To achieve better database performance, in-depth optimization is performed on the hardware layer and the elastic storage layer, for example, using an SSD card with faster read/write speed, adopts unique database-oriented read/write algorithms;

L database reinforcement: to ensure that the database data is not lost or damaged, services such as backup/recovery, Disaster Tolerance, and regular verification of the database are added to the middleware service layer to improve data availability.

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