docs: For #3623 and general additions for APQ. #3711
Merged
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This documents the
ttl
setting for APQ configuration which was introduced in #3623.That feature was already shipped but not documented at the time. In order to accommodate the additions necessary, I found it necessary to shuffle some of the content on the page around to make more specific areas within this page for configuration-related details which needed to be expanded upon (greatly). I think moving the initial block of Memcached-based configuration further down the page is warranted on its own, even more so since APQ is enabled out of the box with sensible defaults. That means it doesn't require configuration on the server (only the client) in order to get started, but this large block almost gives the impression that the user should spin up a Memcached cluster in order to reap its benefits!
I still think this page needs some additional adjustments for the CDN sections which are seemingly duplicated on the Caching page which lives alongside this "APQ" page. CDN configuration is certainly somewhat relevant to APQ, but the details seem to be more pertinent on the Caching page. Specifically, the
@cacheControl
content seems to be repeated almost verbatim on the Caching page.This PR doesn't attempt to resolve that just yet, but focuses on delivering the documentation that makes the APQ configuration details more whole.