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Explain how to configure collection cache key

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Sébastien Dubois 2023-10-11 09:34:21 +02:00
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guides/source/caching_with_rails.md
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@ -122,6 +122,16 @@ All cached templates from previous renders will be fetched at once with much
greater speed. Additionally, the templates that haven't yet been cached will be
written to cache and multi fetched on the next render.
The cache key can be configured. In the example below, it is prefixed with the
current locale to ensure that different localizations of the product page
do not overwrite each other:
```html+erb
<%= render partial: 'products/product',
collection: @products,
cached: ->(product) { [I18n.locale, product] } %>
```
### Russian Doll Caching
You may want to nest cached fragments inside other cached fragments. This is