horizontal scaling - Wikitechy https://www.wikitechy.com/interview-questions/tag/horizontal-scaling/ Interview Questions Fri, 15 Apr 2022 12:28:44 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.4 https://www.wikitechy.com/interview-questions/wp-content/uploads/2025/10/cropped-wikitechy-icon-32x32.png horizontal scaling - Wikitechy https://www.wikitechy.com/interview-questions/tag/horizontal-scaling/ 32 32 What is Vertical Scaling & Horizontal Scaling ? https://www.wikitechy.com/interview-questions/mongodb/what-is-vertical-scaling-horizontal-scaling/ https://www.wikitechy.com/interview-questions/mongodb/what-is-vertical-scaling-horizontal-scaling/#respond Fri, 15 Apr 2022 11:09:37 +0000 https://www.wikitechy.com/interview-questions/?p=4108
  • Scaling is used to alters size of a system.
  • In this process expand the system to meet the expected needs or we either compress.
  • The scaling operation is by adding a new system in the existing one, or both or it can be achieved by adding resources to meet the smaller expectation in the current system.
  • In this operation, there are two types scaling:
      1. Vertical Scaling
      2. Horizontal Scaling

    Vertical Scaling

    • In this existing system where the new resources are added to meet the expectation.
    • Resources that comprise the existing system and consider as a rack of servers.
    • It is based on the idea of adding more power (CPU, RAM) to existing systems, basically adding more resources.
    • It becomes cheaper than Horizontal scaling but it is not easy to process.
    • The size of the existing system become expands vertically.
    • It may involve downtime and harder to upgrade.

    Horizontal Scaling

    • In this existing system where the new server racks are added to meet the higher expectation.
    • Resources that comprise the existing system and consider as a rack of servers
    • It is based on the idea of adding more machines into our pool of resources.
    • It is costlier than Vertical Scaling and difficult.
    • To upgrade it is easy.

     

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