The configuration keywords have been renamed and the older form
is deprecated. These older keywords are still recognized but may
disappear in future releases.
proxycache
use pcache
proxyattrset
use pcacheAttrset
proxycachequeries
use pcacheMaxQueries
proxycheckcacheability
use pcacheValidate
proxysavequeries
use pcachePersist
proxytemplate
use pcacheTemplate
response-callback
use pcachePosition