# Tuning
Performance tuning guide for bindcar and BIND9.
## bindcar Tuning
Resource limits:
```yaml
resources:
requests:
memory: "128Mi"
cpu: "100m"
limits:
memory: "256Mi"
cpu: "500m"
```
## BIND9 Tuning
Common BIND9 optimizations:
- Adjust `max-cache-size`
- Configure `rate-limit`
- Optimize `transfers-in` and `transfers-out`
## Monitoring
Monitor performance metrics:
- Request latency
- Error rates
- Resource usage
## Next Steps
- [Performance](./performance.md) - Performance overview
- [Monitoring](../operations/monitoring.md) - Monitoring guide