Your Agent Telemetry Has a Cardinality Problem
This story is from 2026-09-26. It is preserved in the archive; the latest stories are on the live feed.
This metric looks helpful: agentRuns . add ( 1 , { runId , userId , prompt , toolArguments : JSON . stringify ( args ), error : error ?. message , }); It is an observability bill waiting to happen. Every distinct attribute combination creates another time series in many metric systems. Prompts, run…
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- 2026-09-26 16:06 · DEV Community — AI
Your Agent Telemetry Has a Cardinality Problem