
Observability10 min read
High Cardinality Metrics: Why Your Observability Bill Grew 4x
High cardinality metrics are the reason, almost every time. Traffic grew 30% this year. The observability bill grew 400%. Nobody changed the vendor, nobody added a new tool, and no single person can explain what happened. This is one of the most common infrastructure cost surprises we see, and it s almost always the same cause.
Suraj Kumar Aggarwal · Sep 15, 2026Read