JioCinema, a popular online streaming service in India, owned by Reliance Jio Infocomm Limited, recently achieved a global record by supporting 32 million concurrent users during the IPL final where CSK emerged victorious. While the exact details of JioCinema's technology stack have not been disclosed, we can make assumptions based on industry standards and practices.

JioCinema's Tech Stack:

JioCinema is likely built using a combination of the following technologies:

Frontend Development:
The app's frontend components and user interface were developed using JavaScript, React, HTML5, AngularJS, and jQuery UI, ensuring a seamless and interactive user experience.

Backend Development:
Node.js and PHP were employed as backend programming languages to handle server-side scripting and data processing. Java and Spring Boot provided a robust foundation for complex business logic and backend functionality.

Databases:
MySQL served as the primary relational database for structured data storage, while MongoDB facilitated efficient management of unstructured data, such as user preferences and content metadata.

Content Delivery:
NGINX acted as the web server, ensuring efficient content delivery and caching of static resources, resulting in improved performance and reduced server load.

Caching and Performance Optimization:
Redis, an in-memory data store, was utilized for caching frequently accessed data, enhancing app responsiveness and reducing backend load.

Mobile App Development:
React Native enabled cross-platform mobile application development, utilizing a single codebase for deployment on both iOS and Android platforms. Native development on Android and iOS devices might have used the Android SDK and Swift/Objective-C, respectively.

Real-time Analytics:
Firebase integration facilitated real-time user analytics, event tracking, user authentication, and cloud messaging.

Streaming and Data Processing:
Kafka was leveraged as a distributed streaming platform for real-time data streaming and event-driven architectures. Apache Flink and Hadoop might have been utilized for big data processing and analysis.

Scalability and Resilience:
To ensure scalability and fault tolerance, technologies like Scala, Golang, and Cassandra might have been employed, enabling high availability and efficient data storage and retrieval.

DevOps and Monitoring:
DevOps practices were adopted, utilizing tools such as GitHub for version control, Git for code collaboration, Docker for containerization, Jenkins for continuous integration and deployment, Kubernetes for container orchestration, and Ansible for infrastructure automation. Monitoring tools like Grafana were used for tracking system performance, while Chef assisted with configuration management.

Hosting:
The specific hosting and cloud provider for JioCinema have not been publicly disclosed. Given that Reliance Jio is a major telecommunications company in India, it is plausible that JioCinema is hosted on infrastructure owned and operated by Reliance Jio itself.

Scaling Strategies for 32M Concurrent Users:

Here's a hypothetical scenario of how JioCinema could have scaled their infrastructure to support 32 million concurrent users during the IPL final match:

• Horizontal Scaling: JioCinema could have added more servers to distribute incoming traffic, deploying multiple instances of the application across different servers to handle the increased load.
• Content Delivery Network (CDN): Partnering with a CDN provider would have helped cache and deliver content efficiently, reducing latency and handling the surge in concurrent hits.
• Load Balancing: Implementing load balancing techniques would evenly distribute incoming requests across the server infrastructure, preventing any single server from becoming overwhelmed and ensuring a smooth user experience.
• Caching and Content Preloading: Employing caching mechanisms, JioCinema could have cached popular content closer to users using CDN edge caches. This would improve app responsiveness and reduce server load.
• Autoscaling: Utilizing autoscaling techniques, JioCinema could dynamically adjust server capacity based on demand. Monitoring incoming traffic would allow for automatic addition or removal of servers, ensuring sufficient resources for the 32 million concurrent hits.
• Database Optimization: Optimizing the database infrastructure through techniques like database sharding, read replicas, or caching would enhance performance and data retrieval during the live stream.
• Real-time Monitoring and Alerting: JioCinema would rely on real-time monitoring and alerting systems to detect performance issues or bottlenecks, addressing them promptly to ensure uninterrupted service during the IPL final.
• Collaboration with Cloud Providers: Partnering with cloud providers like AWS, Azure, or Google Cloud would provide elastic scalability, global reach, and CDN capabilities, enabling JioCinema to handle the massive traffic during the live match stream.
• Network Optimization: Working closely with network providers, JioCinema would optimize network infrastructure and bandwidth capacity to support the significant concurrent user base.
• Thorough Load Testing: Prior to the IPL final, JioCinema would conduct extensive load testing to simulate and validate their infrastructure's capacity. Identifying and addressing bottlenecks or performance issues ahead of time ensures uninterrupted service during the event.

Conclusion:

It's important to note that the above suggestions are assumptions based on common industry practices, and the actual strategies employed by JioCinema may vary. Nonetheless, these hypothetical measures provide a general idea of how JioCinema could have scaled their infrastructure to support the world record-breaking 32 million concurrent users during the IPL final match.