# Instance-Local State

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

Record: `lex: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#lex-instance-local-state

## category

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

## referenced-by

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