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ezplatform-http-cache
| UNIX name | Owner | Status |
|---|---|---|
| ezplatform-http-cache | 7x | stable |
| Version | Compatible with |
|---|---|
| N/A | N/A |
platform-http-cache
Provides HTTP cache handling for eZ Platform, by default since version 1.12. From ezpublish-kernel,
it adds support for mult-tagging for Symfony Proxy, Varnish (using xkey). Support for Fastly is part of the
eZ Platform Cloud Enterprise offer as of 1.13 LTS.
Usage with Varnish
For usage with Varnish see the dedicated document in docs/varnish
Features
xkey header on ContentView responses
Responses from /content/view will be tagged based on their contents:
curl -i -X HEAD 'http://localhost:8000/'
HTTP/1.1 200 OK
Host: localhost:8000
Connection: close
Cache-Control: public, s-maxage=60
Content-Type: text/html; charset=UTF-8
Vary: X-User-Hash
xkey: content-1 content-type-1 location-2 parent-1 path-1 path-2 ez-all
_As of v0.7, if you have several repositories configured, the tags will be prefixed by
repository name on non default repository. E.g. "intranetpath-1".
For further reading on tags see docs/using_tags.md.
Toggling of cache on ContentView responses
Responses from /content/view will be made cachable, and the shared max age will be set if it is enabled.
Purging of tagged HTTP cache on Repository operations
A set of Slots will send HTTP PURGE requests for each cache tag affected by write operations.
Configuration
Drivers
This bundle lets you configure drivers for handling HTTP cache. The following exists from eZ:
- local: extended Symfony Proxy to support tagging and varying by user rights (available in this bundle)
- http aka varnish: Varnish proxy using and customizing FosHttpCache for purging (available in this bundle)
- fastly: Fastly CDN proxy (available with eZ Platform Enterprise and documented separately)
Configuring these is done using global ezpublish.http_cache.purge_type config. By default it is set to use
%purge_type% parameter, and can be set in app/config/parameters.yml like so:
parameters:
purge_type: varnish
For further reading on drivers see docs/drivers.md.
Tags
For further reading on tags see docs/using_tags.md.