Your dashboard says green. Your users say slow. Guess who’s right.
Learn why observability alone doesn’t equal performance understanding.
https://jeffbailey.us/blog/2025/12/16/fundamentals-of-software-performance/
#SoftwarePerformance #DistributedSystems #PerformanceEngineering #Latency #Observability #ReliabilityEngineering #SiteReliability