# Scaling Strategies

> Source: https://agilitycms.com/docs/training-guide/architect-scalability

This guide covers strategies for scaling Agility CMS implementations, including content scaling, performance scaling, and multi-locale scaling.

## Scalability Dimensions

### Content Scalability

**Challenges:**
- Large content lists
- Complex relationships
- Frequent updates

**Solutions:**
- Content Lists support pagination
- Efficient querying with filters
- CDN for asset delivery
- Optimized content models

### Performance Scalability

**Challenges:**
- High traffic
- Global audiences
- Fast response times

**Solutions:**
- Static generation for most pages
- Incremental regeneration for dynamic content
- Multi-layer caching
- CDN for global delivery

### Multi-Locale Scalability

**Challenges:**
- Multiple languages
- Locale-specific content
- Fallback strategies

**Solutions:**
- Locale-specific content instances
- Efficient locale routing
- Fallback to default locale
- Shared content models

## Content Scaling

### Pagination

Implement pagination for large lists:

```typescript
const { items, totalCount } = await getContentList({
  referenceName: "posts",
  take: 10,
  skip: (page - 1) * 10
})
```

### Filtering

Use filters to reduce query size:

```typescript
const { items } = await getContentList({
  referenceName: "posts",
  filter: "fields.categoryID:eq:5",
  take: 10
})
```

### Efficient Queries

- Limit results appropriately
- Use filters at API level
- Avoid fetching unnecessary data
- Cache frequently accessed content

## Performance Scaling

### Static Generation

Pre-render pages at build time:

```typescript
export async function generateStaticParams() {
  // Generate all page paths at build time
}
```

### Incremental Regeneration

Update pages on-demand:

```typescript
export const revalidate = 60 // Revalidate every 60 seconds
```

### Caching Strategy

- **CDN Cache**: Assets cached globally
- **API Cache**: API responses cached
- **Application Cache**: Next.js cache tags
- **Browser Cache**: Client-side caching

## Multi-Locale Scaling

### Locale Strategy

- **Default Locale**: No URL prefix
- **Other Locales**: URL prefix (e.g., `/fr/`)
- **Content Per Locale**: Separate content instances
- **Fallback**: Fallback to default locale

### Content Management

- **Shared Models**: Content models shared across locales
- **Locale Instances**: Separate content instances per locale
- **Fallback Content**: Fallback to default if missing

## Architecture Scaling

### Horizontal Scaling

- **Frontend**: Scale frontend independently
- **CMS**: Agility CMS scales automatically
- **CDN**: Global edge locations

### Vertical Scaling

- **Optimize Queries**: Efficient content queries
- **Cache Aggressively**: Multi-layer caching
- **Optimize Assets**: Image optimization, compression

## Best Practices

1. **Plan for Growth**: Design for scalability from start
2. **Optimize Queries**: Efficient content queries
3. **Leverage Caching**: Multi-layer caching strategy
4. **Monitor Performance**: Track metrics and optimize
5. **Test at Scale**: Test with realistic data volumes

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**Next**: [Security](./architect-security) - Security best practices