SREDay London

Unwiring High Cardinality


Catch Piyush Verma, Co-founder and CTO at Last9, at SREday London for a talk on Unwiring High Cardinality — how to stop treating cardinality as a tax and start scaling metrics into the millions without your monitoring stack falling over.

What you’ll learn

  • The anatomy of a metric — what actually drives cardinality growth, and why “just add a label” is a load-bearing decision.
  • Cardinality as a scaling problem, not a quota problem — patterns for handling millions of unique series instead of capping out at thousands.
  • Reducing toil for the SRE team — practical approaches that let engineers debug the production behaviour they actually care about without fighting their tooling.

Stop by if you’re running monitoring at scale, picking a TSDB, or just tired of being told to drop labels you actually need.

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