# Single-Primary Read Contention

> Serving all reads from the single primary, so read load contends with writes and limits throughput.

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

## category

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

## referenced-by

- [Read Replica](https://banes-lab.com/records/arch/read-replica.md)