--- title: Wellzesta’s auto-scaling API improves performance, saves energy and reduces costs description: Discover how Wellzesta uses autoscaling and containerized software to manage fluctuating demand for its cloud-based services, ensuring high availability and resource efficiency. image: https://articles.wellzesta.com/hubfs/image-Aug-23-2024-02-40-32-7482-PM.png --- [![Wellzesta](https://assets-global.website-files.com/6527f83222cbee1b24466b4d/652ed4901978b1a2ac40ce28_LogoWellzesta.svg)](https://www.wellzesta.com/) [Home](https://www.wellzesta.com/) [Solutions](https://www.wellzesta.com/solutions) [Benefits](https://www.wellzesta.com/benefits) Resources ![](https://assets-global.website-files.com/6527f83222cbee1b24466b4d/6527f83222cbee1b24466c7a_chevron-down.svg) [Articles A library worth reading](https://articles.wellzesta.com/) [White Papers Research-focused discoveries](https://www.wellzesta.com/resources/white-papers) [Case Studies Real-world client benefits](https://www.wellzesta.com/#cases) [Videos Watch our videos](https://www.wellzesta.com/resources/videos) [About us](https://www.wellzesta.com/about-us) [Contact](https://www.wellzesta.com/contact) [Book a Demo](https://www.wellzesta.com/#book-a-demo) ![](https://assets-global.website-files.com/6527f83222cbee1b24466b4d/6527f83222cbee1b24466cad_menu-3-line.svg) [Home](https://www.wellzesta.com/) [Solutions](https://www.wellzesta.com/solutions) [Benefits](https://www.wellzesta.com/benefits) Resources ![](https://assets-global.website-files.com/6527f83222cbee1b24466b4d/6527f83222cbee1b24466c7a_chevron-down.svg) [Articles A library worth reading](https://articles.wellzesta.com/) [White Papers Research-focused discoveries](https://www.wellzesta.com/resources/white-papers) [Case Studies Real-world client benefits](https://www.wellzesta.com/#cases) [Videos Watch our videos](https://www.wellzesta.com/resources/videos) [About us](https://www.wellzesta.com/about-us) [Contact](https://www.wellzesta.com/contact) # Wellzesta’s auto-scaling API improves performance, saves energy and reduces costs ##### Posted by [John M. Robinson MD, PhD](https://articles.wellzesta.com/author/john-m-robinson-md-phd) on August 23, 2024 ![](https://articles.wellzesta.com/hubfs/image-Aug-23-2024-02-40-32-7482-PM.png)   Figure 1 shows a diurnal usage of Wellzesta’s cloud-based services, where demand is greater during the day than at night. API request frequency can increase eightfold during the course of a day from roughly 4 requests/sec at 4AM ET to  roughly 30 requests/sec at 11AM ET.  To accommodate changes in demand and to conserve resources and energy, Wellzesta employs autoscaling for both client-side and server-side technologies.  ![image-Aug-23-2024-02-41-16-4212-PM](https://articles.wellzesta.com/hs-fs/hubfs/image-Aug-23-2024-02-41-16-4212-PM.png?width=1709&height=781&name=image-Aug-23-2024-02-41-16-4212-PM.png) Figure 1. Plot of the frequency of requests to the Wellzesta API as a function of time for a period of one week. API request frequency can increase eightfold during the course of a day. All Wellzesta software is containerized. Containers for the API run on cloud run instances with 2CPUs and 5GB RAM. To meet demand, the number of API instances scales from a minimum of 2 to 5 or more. The minimum of 2 instances provides real-time redundancy should one instance fail. 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