A team faced a production API slowdown in their .NET 9 microservices setup running on ECS Fargate despite normal readings from profilers and log aggregators.
Despite having numerous traces, the team lacked clarity on the issue until they turned to AWS X-Ray for insight.
The tool, though not as popular as others like OpenTelemetry, proved valuable in troubleshooting the bug that manifested only under large-scale conditions involving multiple services.