BOOL, can be read and set, but not unset.

Available inrecv

Forces the request to miss whether we have a cached version of the object or not. This differs from passing in that Varnish will still request collapse and will avoid the creation of hit_for_pass objects.

Try it out

req.hash_always_miss is used in the following code examples. Examples apply VCL to real-world use cases and can be deployed as they are, or adapted for your own service. See the full list of code examples for more inspiration.

Click RUN on a sample below to provision a Fastly service, execute the code on Fastly, and see how the function behaves.

Early expiry of cached objects

Cached a large number of objects for too long and want to update and shorten their TTLs.