Monitoring multi-tenant SaaS applications with New Relic

The noisy neighbor problem in multi-tenant software systems can be mitigated by adding custom instrumentation to track tenant IDs and leveraging New Relic's capabilities to diagnose issues quickly and efficiently. This allows operators to identify problems caused by a single tenant impacting the overall performance of the system, such as thread pool exhaustion or abnormally large amounts of traffic. By facetting telemetry data by tenant ID, operators can create dashboards and queries to track customer usage patterns, understand resource utilization, and put limits in place to prevent noisy neighbor issues and control costs. This enables multi-tenant software systems to be more performant, resilient, and cost-effective to operate.