# Global Shared State

> A single mutable state shared across all workers, forcing coordination and preventing independent scaling.

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

## category

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

## referenced-by

- [Partitioning](https://banes-lab.com/records/arch/partitioning.md)