# Customer Case Study: Paidy Paidy achieves 200% growthwith managedopen source ================================================= With Instaclustr, Paidy experience zero downtime migration and accelerated growth. [Read customer story](/wp-content/uploads/2023/04/Paidy-Case-Study.pdf) ![video logo](https://www.instaclustr.com/wp-content/uploads/2022/08/paidy_logo@0.5x.png) **Industry**- Financial solutions **Technologies**- Apache Cassandra® - Apache Kafka® **Challenges**- Critical engineering resources diverted from innovation to infrastructure management - Scaling while maintaining performance and availability **Results**- Zero downtime migration - Designed a scalable event-driven architecture - 200% growth × Navigating Hyper GrowthWith open source --------------------------------------- In the fast-paced world of online payments, reliability and scalability are key. For Paidy, one of Japan’s largest online payment businesses, these were not just buzzwords—they were essential for navigating their hyper-growth phase. With an ambition to leave behind infrastructure hurdles and focus on innovation, Paidy turned to Instaclustr for a managed open source solution. ![Paidy logo and quote](/wp-content/uploads/paidy-logo-quote-padded.svg) “Technologies like Apache Cassandra and Apache Kafka can be complex to manage efficiently and effectively. Instaclustr abstracts that complexity and helps us to stay focused on building our applications and services.“ — **Ken Izumi**, VP of Engineering, Paidy Managing complex data infrastructure ------------------------------------ Paidy’s success heavily relied on a seamless, highly performant payment platform. This required a robust infrastructure capable of handling millions of transactions smoothly and efficiently. However, managing such a complex data infrastructure posed significant challenges: **Self-management complexity** The intricacies of operating Apache Cassandra and Apache Kafka meant diverting critical engineering resources from product innovation to infrastructure management. **Scalability demands** With an expanding user base, scaling while maintaining performance and availability was becoming increasingly challenging. Leveraging open source for scalability -------------------------------------- Instaclustr stepped in to manage Paidy’s data infrastructure, enabling them to focus on core product engineering without being bogged down by backend complexities. Having spoken with some of Instaclustr’s existing clients, they were confident about the company’s capability and experience in managing similar environments and applications. Here’s how Instaclustr delivered value: **Zero downtime migration** Instaclustr facilitated a seamless migration from self-hosted to a fully managed platform, ensuring uninterrupted service and freeing Paidy’s engineering team from infrastructure concerns. **Scalable event-driven architecture** By leveraging Apache Cassandra for a resilient data store and using Apache Kafka for real-time data streaming, Instaclustr helped design a scalable architecture. This enabled Paidy to decouple services and handle increasing transaction volumes effortlessly. "The migration from self-hosted to managed by Instaclustr was seamless and ever since that migration we have been able to focus on the core aspects of product engineering, without having to worry about infrastructure management.” ![quote graphic]() 200% growth with seamless operations ------------------------------------ Instaclustr has played a key role in Paidy's growth journey: ![icon up arrow speed]() Impressive growth Partnering with Instaclustr has led to a remarkable 200% growth for Paidy, solidifying its position as a leader in Japan's online payment industry. ![icon eye idea]() Freedom to innovate With infrastructure expertly managed, Paidy's team focused on innovation, efficiently developing new products and services. "Instaclustr has been an invaluable partner since day one, guiding us through our hyper-growth phase.“ ![quote graphic]() ### Conclusion The collaboration with Instaclustr has empowered Paidy to leverage managed open-source solutions for unprecedented growth and innovation. By removing the complexities of infrastructure management, Paidy continues to drive forward, focusing on delivering exceptional customer experiences. For businesses seeking to unlock similar growth potential, Instaclustr stands ready to be your partner in excellence. Ready to revolutionize your operations? [Reach out to Instaclustr](/contact-us/) and explore what managed open-source solutions can do for your enterprise. 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This is how you simplify it... ](https://www.instaclustr.com/resources/solving-open-source-complexity/) [ Blog Top 10 reasons why enterprises choose NetApp® Instaclustr Enterprises of all shapes, sizes, and industries are increasingly turning to managed open source platforms to simplify their... ](https://www.instaclustr.com/blog/top-10-reasons-why-enterprises-choose-netapp-instaclustr/) Learn about ourManaged platform and services -------------------------------------------- Schedule your 1:1 session with one of our open source experts [ Schedule a demo ](/schedule-a-demo/)