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    What is Cluster and how to apply it in everyday life?

    What is Cluster and how to apply it in everyday life?

    by Team AllYourVideogames | Mar 14, 2022 | Technology |

    Do you know what it is and how to apply the known ones cluster? Before we talk about it, it is necessary to understand that it is directly related to technology. The technological aspects exist to make our lives as easy as possible. Technology and the internet also make it possible to connect billions of people in different parts of the world.

    In addition, there is also an optimization of time and tasks thanks to technology, but that's not all. Some tasks would be impossible to accomplish without the technological part. We see this a lot when we talk about industries, companies, laboratories, research institutes and others. 

    Even in basic daily activities like listening to music, watching a movie, reading a book online, sending or receiving an email and others, there is information processing. Some of these tasks require the least of the processors that are in our computer, while others demand the most, being even too much for some.

    The Cluster comes into these processing issues, which we can summarize as a computational structure that focuses on improving performance, agility and reliability for the execution of complex digital processes.

    In this post, we will go into more detail about what Cluster is, how they are formed and all the main types of Cluster available. 

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    What is the meaning of Cluster?

    Image: OP Services

    If we bring it to our country, “Aglomeração” or “agglomerar” are some of the terms that bring meaning to the translation of Cluster. Thus, we can imagine that it can be used in several different contexts. 

    In this case, we are talking about Cluster in technology/computing. In this way, we can say that it defines several systems architected to combine several computers. With this, they can work together as a group of combined computers.

    For the Cluster to be formed, it is necessary to join several stations that are called “nodes”. It is possible to find people who refer to the Cluster as “cluster computing” or “supercomputers”. This represents the software or hardware that is developed so that all of this equipment can be combined into a single computer.

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    How is the Cluster formed?

    Although in theory combining several computers might seem like an easy task to perform, you are completely wrong. For this to happen, IBM, in 1960, started working on the effective construction of the Cluster. And it didn't stop there: to this day they are constantly evolving and renewing to improve even more.

    The main objective is always one: to increase the fusion efficiency. In this way, there will be an optimization of the resources of all the stations of the Cluster, with a greater dynamics for the circuits. 

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    Are all Clusters the same? See cluster types

    Image: NVIDIA Blog

    You need to keep in mind that there is not just one type of Cluster. Each has its focus on different benefits caused by merging more computers.

    Thus, it is possible to assemble each one according to each function and market that it will have. For you to understand better, below we separate the main types of Cluster:

    1. Cluster Failover ou High Availability (HA)

    This type of Cluster is more focused on maintaining the network always on. Thus, the system can remain online regardless of what happens to each individual node. Due to this, the Cluster stations will work with a redundancy system that is undetectable to the user, almost like a copy, which will always be ready to take over if the main one has a problem.

    The Cluster Failover, or High Availability (HA) is more commonly used in services such as email - e-mails.

    2. Cluster Load Balancing

    When we talk about Cluster Load Balancing, we can say that all nodes prioritize running tasks, generating high performance for your company with the operating system. It doesn't matter if we talk about resource requests, such as more memory for data to be stored, or the traffic of incoming requests, they will be distributed to all the machines that make up the system. 

    This type of Cluster works regardless of whether we are talking about the simplest task or the most elaborate and difficult one, all available and united resources will be destined to carry out this task. In this case, the priority is the performance as a whole, but if any of the nodes goes down, the task is removed from the system and redistributed among the remaining nodes. 

    3. Cluster of Combined Models

    At various times, you need to prioritize stability over performance, or vice versa, as you may come across times when the two functionalities need to be equivalent, such as on FTD servers or emails. In these cases, companies often make use of a combined cluster, with high availability and load balancing.

    In this way, the system will be able to unify the resources of the different machines while an internal redundancy network will always be active to prevent the main system from going down.

    4. Parallel Cluster Processing

    Finally, we have the Parallel Cluster processing category, the same used by NASA. In this type of cluster, a task considered large is separated into activities considered less complex.

    Thus, they are also sent by the system and executed with parallel processing on each computer by the various nodes that form the Cluster. As you can imagine, this type is more suitable and efficient in more complex computational tasks than usual, such as those performed at NASA.

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