# Sampling and Aggregation

> A technique for keeping a representative share of telemetry or a summary of it instead of every event.

Record: `lexicon:sampling-and-aggregation`
Kind: technique
Layer: [Observability](https://banes-lab.com/records/layer/observability.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-sampling-and-aggregation

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Cardinality Reduction](https://banes-lab.com/records/lexicon/cardinality-reduction.md) and before [Runbook Owner](https://banes-lab.com/records/lexicon/runbook-owner.md).

## Category

- [Observability / Auditability / Traceability](https://banes-lab.com/records/lexicon-category/observability-auditability-traceability.md)

## Refactors

- [Observability Noise](https://banes-lab.com/records/architecture/observability-noise.md)

## Linked from

- [Anti-patterns](https://banes-lab.com/ontology/principles/architecture-category-anti-patterns.md)