# Lookup Performance

> The degree to which reading strictly in sequence makes locating a specific item by key slow.

Record: `lexicon:lookup-performance`
Kind: quality-attribute
Layer: [Execution Core](https://banes-lab.com/records/layer/execution-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-lookup-performance

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Large Data Processing](https://banes-lab.com/records/lexicon/large-data-processing.md) and before [Ordered Read Model](https://banes-lab.com/records/lexicon/ordered-read-model.md).

## Category

- [Streaming / Pipeline / Dataflow Processing](https://banes-lab.com/records/lexicon-category/streaming-pipeline-dataflow-processing.md)

## In tension with

- [Sequential Access](https://banes-lab.com/records/architecture/sequential-access.md)
- [Sequential Access / Lookup Performance](https://banes-lab.com/records/tension/lookup-performance-sequential-access.md)

## Linked from

- [Streaming / Pipeline / Dataflow Processing](https://banes-lab.com/ontology/principles/architecture-category-streaming-pipeline-dataflow-processing.md)
- [The resolutions](https://banes-lab.com/ontology/schema/the-resolutions.md)