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I spent some time to find out how to manually invalidate the cache, when during testing I found out this is already handled in the base Tenant model. Adding this small paragraph might help others.
37 lines
1.2 KiB
Markdown
37 lines
1.2 KiB
Markdown
---
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title: Cached tenant lookup
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extends: _layouts.documentation
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section: content
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---
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# Cached lookup {#cached-lookup}
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If you're using multiple databases, you may want to avoid making a query to the central database on **each tenant request** — for tenant identification. Even though the queries are very simple, the app has to establish a connection with the central database which is expensive.
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To avoid this, you may enable caching on the tenant resolvers (all in the `Stancl\Tenancy\Resolvers` namespace):
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- `DomainTenantResolver` (also used for subdomain identification)
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- `PathTenantResolver`
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- `RequestDataTenantResolver`
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On each of these classes, you may set the following static properties:
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```php
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// TenancyServiceProvider::boot()
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use Stancl\Tenancy\Resolvers;
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// enable cache
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DomainTenantResolver::$shouldCache = true;
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// seconds, 3600 is the default value
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DomainTenantResolver::$cacheTTL = 3600;
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// specify some cache store
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// null resolves to the default cache store
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DomainTenantResolver::$cacheStore = 'redis';
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```
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## Cache invalidation
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Updating and saving a Tenant model's attributes will cause the cached entry for this model to be invalidated when `DomainTenantResolver::$shouldCache` is set to `true`.
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