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Update apps/reference/docs/guides/storage-caching.mdx

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dng authored and GitHub committed 2022-09-20 11:51:28 -07:00
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@@ -27,6 +27,6 @@ The cache status of a particular request is sent in the `cf-cache-status` header
If you expect the object to not change at a given URL, setting a longer cache duration is preferable.
If you need to update the version of the object stored in the CDN, there are various cache-busting techniques you can use. The most common way to do this is to add a version query parameter in the URL. For example, you can use a URL like `/storage/v1/object/sign/profile-pictures/cat.jpg?token=eyJh...&version=1` in your applications and set a long cache time of 1 year. When you want to update the cat picture, you can increment the version query parameter in the URL. The CDN will treat ``/storage/v1/object/sign/profile-pictures/cat.jpg?token=eyJh...&version=2`as a new object and pings the origin for the updated version.
If you need to update the version of the object stored in the CDN, there are various cache-busting techniques you can use. The most common way to do this is to add a version query parameter in the URL. For example, you can use a URL like `/storage/v1/object/sign/profile-pictures/cat.jpg?token=eyJh...&version=1` in your applications and set a long cache time of 1 year. When you want to update the cat picture, you can increment the version query parameter in the URL. The CDN will treat `/storage/v1/object/sign/profile-pictures/cat.jpg?token=eyJh...&version=2` as a new object and pings the origin for the updated version.
Note that CDNs might still evict your object from their cache if it has not been requested for a while from a specific region. For example, if no user from United States requests your object, it will be removed from the CDN cache even if you set a very long cache control duration.