what is clustering?
hello,
can someone explain what clustering is? |
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what is clustering?
A cluster is two or more interconnected computers that create a solution to provide higher availability, higher scalability or both.Clustering can be implemented at different levels of the system, including hardware, operating systems, middleware, systems management and applications.
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If your application needs to run without any failure, then you need a cluster solution. For an example, if you are running trading application, your application shouldn't go down, if it goes down, you will loose $x million dollars.
High availability ismore and more important in critical systems such as networked storage. Demands on these systems include not only ensuring the availability of important data, but also efficient resource sharing of the relatively expensive components. Basically, if one of the systems goes down, other system will take over it and will run the application. |
In a computer system, a cluster is a group of servers and other resources that act like a single system and enable high availability and, in some cases, load balancing and parallel processing.
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Clustering is a popular strategy for realize similar processing applications because it enables companies to leverage the investment already made in PCs and workstations. The advantage of clustering computers for high availability is seen if one of these computers fails, another computer in the cluster can then assume the workload of the failed computer.
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are you asking about computer cluster or windows cluster?
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If this is about a cloud cluster, then a cloud cluster consists of multiple servers that support the functioning of the website irrespective of the website traffic. A clustered setup is beneficial to a high traffic website because even if one server fails, another server is available to balance the load and ensure the smooth functioning of the website.This is a great option for the online store websites as for them, downtime is something that might have a direct effect on the business.
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