# Instance-Local State

> Holding request-spanning state on one instance, so requests cannot be served by any other instance.

Record: `lexicon:instance-local-state`
Kind: anti-pattern
Layer: [Performance Core](https://banes-lab.com/records/layer/performance-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-instance-local-state

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Instance Affinity](https://banes-lab.com/records/lexicon/instance-affinity.md) and before [Local Micro-Optimization](https://banes-lab.com/records/lexicon/local-micro-optimization.md).

## Category

- [Scalability / Performance / Optimization](https://banes-lab.com/records/lexicon-category/scalability-performance-optimization.md)

## Negated by

- [Horizontal Scaling](https://banes-lab.com/records/architecture/horizontal-scaling.md)

## Linked from

- [Scalability / Performance / Optimization](https://banes-lab.com/ontology/principles/architecture-category-scalability-performance-optimization.md)