
Observability
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.
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