# Read Replica / Read-Your-Writes Consistency

> "read-replica" (performance-core layer) is traded against "Read-Your-Writes Consistency" (performance-core layer) — a principle cannot be scope-separated from a quality, metric, or cost it competes with; resolve by measuring "Read-Your-Writes Consistency" and choosing an explicit operating point.

Record: `tension:read-replica-read-your-writes-consistency`
Kind: tension
Canonical: https://banes-lab.com/ontology/schema#tension-read-replica-read-your-writes-consistency

## tensions-with

- [Read Replica](https://banes-lab.com/records/arch/read-replica.md)
- [Read-Your-Writes Consistency](https://banes-lab.com/records/lex/read-your-writes-consistency.md)