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This article introduces the knowledge about "what types of linux clusters are divided into". In the actual case operation process, many people will encounter such difficulties. Next, let Xiaobian lead you to learn how to deal with these situations! I hope you can read carefully and learn something!

Linux clusters can be used for high-performance computing, after all, some problems, a single server computing capacity is limited. Linux has a large selection of cluster systems to suit different uses and needs.

The three most common cluster types include, High Performance Scientific Cluster, Load Balancer Cluster, and High Availability Cluster.

High Performance Scientific Cluster

It generally involves developing parallel programming applications for clusters to solve complex scientific problems. This is the basis for parallel computing, although it does not use specialized parallel supercomputers, which consist of ten to tens of thousands of independent processors inside. Instead, it uses commercial systems, such as a set of single-or dual-processor PCs linked by high-speed connections, and communicates on a common messaging layer to run parallel applications.

Load Balancer Cluster

Share user access requests and data traffic (Load Balancer) Ensure service continuity (high availability) Applied to web services and database slave services. It provides a more practical system for enterprise needs. The system allows the load to be distributed as evenly as possible across the computer cluster.

high availability cluster

To make the overall services of the cluster as available as possible, so as to account for the fallibility of computing hardware and software. When one machine goes down, another machine takes over IP resources and service resources of the down machine. It is often used for applications that are difficult to achieve Load Balancer, such as between Load Balancer, Primary Database and Primary Storage.

The advantages of using Linux cluster systems are: high performance, scalability, high availability, transparency, manageability, and programmability.

Linux Virtual Server project provides load balancing scheduling solutions based on IP layer and content request distribution to meet the needs of highly scalable and highly available network services, and implements these methods in Linux kernel, which makes a group of servers constitute a virtual server to realize scalable and highly available network services.

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