"jevmetrics is an experimental OpenTelemetry Collector metrics processor. It calls TypeSafe's Jev model to infer the likely operational value of metric instruments from their metadata, then applies deterministic policy to the returned probabilities."

More technology built on Jev within a week of its release. OpenTelemetry is an open source observability framework, which is a fancy way of saying logging of programs' execution, internal states, communication messages, and corresponding log processing and program execution tracing.

"Use it to assess unfamiliar instrumentation, review candidates for reduced retention, and selectively filter metrics before they reach a primary backend. Inference runs asynchronously, and cached assessments let subsequent batches use the same decision without another API call."

"A new service or library can introduce metrics nobody has classified yet. Names, descriptions, units, instrumentation scope, and attribute keys provide evidence about what those metrics mean -- even before there is a history of dashboard or query usage."

"jevmetrics uses that evidence to ask Jev whether a metric is likely useful enough to retain. Explicit protection rules and thresholds determine what the Collector actually does with the answer."

ishantanu / jevmetrics

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