
E-commerce Platform Scalability
How a cloud-native re-architecture and SRE implementation delivered 99.99% uptime during a record-breaking sales event.
The Story
Global Retail Co., a leading e-commerce player, faced a recurring nightmare: their website would slow down or crash during their most critical sales period, Black Friday weekend. Their monolithic architecture, running on a rigid, on-premise infrastructure, couldn't handle the massive, unpredictable spikes in traffic. This resulted in lost revenue, customer frustration, and a damaged brand reputation. Each year, the "war room" became a scene of firefighting, manual scaling efforts, and hoping the system would hold up.
The executive team recognized that this was not a scalable or sustainable model. They needed to move from a state of reactive panic to one of proactive resilience. The strategic imperative was clear: re-architect their platform for the cloud to ensure high availability and elastic scalability, turning their biggest sales event from a period of high risk to a period of high confidence.
What Did Medha Soft Do
Medha Soft was brought in as the cloud-native transformation and SRE partner. We deployed an elite team of cloud architects and Site Reliability Engineers who worked hand-in-hand with Global Retail Co.'s development team. Our engagement was focused on a complete re-architecture and a cultural shift towards engineering for reliability.
Cloud-Native Re-architecture on AWS
We led the migration from a monolithic application to a microservices architecture running on Amazon EKS (Elastic Kubernetes Service). We utilized Infrastructure as Code (IaC) with Terraform to create a reproducible and version-controlled environment.
Implementing SRE Best Practices
We introduced and implemented core SRE principles. This involved defining Service Level Objectives (SLOs) for critical user journeys, establishing error budgets, and setting up comprehensive monitoring and observability using Prometheus and Grafana.
Robust CI/CD & Automated Testing
We built a new CI/CD pipeline using GitHub Actions that included automated performance and load testing. Every new deployment was tested against peak traffic simulations, ensuring that new features would not compromise system stability.
Data Analysis Chart
The chart below demonstrates the system's ability to handle a massive traffic surge during the Black Friday sale while maintaining an extremely low error rate, a direct result of the new architecture.
Chart Caption: Concurrent Users vs. Server Error Rate (5xx) during Peak Traffic.
The Results
The cloud-native transformation delivered immediate and profound results, directly impacting revenue, customer satisfaction, and developer velocity.
99.99% Uptime During Peak Traffic: The platform handled a 5x increase in traffic during the Black Friday weekend with zero downtime or performance degradation.
Record-Breaking Sales: With a stable platform, the client achieved their highest-ever sales figures for the holiday period, with a 25% increase year-over-year.
40% Reduction in Infrastructure Costs: The auto-scaling, containerized environment led to a significant reduction in cloud spend compared to their previous over-provisioned model.
Customer Reviews of the Case
For the first time, our Black Friday war room was quiet. Medha Soft didn't just give us a new infrastructure; they gave us peace of mind. Their expertise in SRE and cloud-native architecture is second to none.
Mark Robinson
CTO, Global Retail Co.

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