27% AWS Cost Reduction Through Database Optimization for a Fintech Platform - OpsTree Global
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27% AWS Cost Reduction Through Database Optimization for a Fintech Platform

A prominent digital financial services provider in India, this fintech giant serves over 50 million users with mobile recharges, bill payments, and digital wallet solutions, positioning itself as a leader in the finance sector.

The Problem Statement

The client's AWS expenditure had surged to $150,000, necessitating urgent cost optimization. Inefficiencies in compute resources, storage, and database configurations led to increased operational costs, while manual tasks and outdated systems further complicated the infrastructure and impacted performance.

Challenges

The client's AWS infrastructure faced inefficiencies due to outdated and over-provisioned compute resources and storage configurations, increasing operational costs.

Manual and repetitive infrastructure and database tasks consumed significant time and resources, leading to inefficiencies and operational bottlenecks.

Unused resources, such as unattached EBS volumes and obsolete snapshots, cluttered the infrastructure and increased costs.

The client's outdated MySQL 5.7 systems increased maintenance costs and lacked modern features, requiring upgrades to enhance performance and reduce support expenses.

Inadequate backup strategies and disaster recovery setups posed risks to data availability and resilience, potentially leading to data loss and extended downtimes.

Solutions

To tackle these challenges, they needed a robust database engineering framework to enhance system performance, optimize resource utilization, and eliminate operational inefficiencies.

Adjusted EC2 instances to more cost-effective types like AMD and Graviton and optimized S3 storage with lifecycle policies and versioning to cut costs and enhance performance.

We transitioned to Infrastructure-as-Code (IaC) to automate infrastructure management and consolidated 80 databases by moving 50 from EC2 to RDS and Aurora for easier management and lower overhead.

Removed unused resources, including unattached EBS volumes and obsolete snapshots, and merged redundant load balancers to reduce costs and simplify the infrastructure.

Upgraded from MySQL 5.7 to 8.0 with blue-green deployment for minimal downtime, implemented data archival strategies for efficient storage, and adjusted database instances for better performance.

Established strong backup and disaster recovery strategies, including replication and automated monitoring, for data availability and resilience.

Outcomes

Reduced AWS costs by 27% through targeted optimizations.

Database upgrades and migrations with Zero downtime.

Automated routine tasks, boosting manageability and freeing up resources.

Simplified infrastructure by eliminating unused resources and consolidating databases.

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