.needs-rebuild on any post update
I’ve installed SuperCache to a fresh WP 3.5 installation (in mod_rewrite mode).
After “Preload cache now” is finished, I have 46 Cached Pages and every request served under 10ms.
But if I update (change) any post, a first request to *any* page slows down to 350ms!
All cache files in Cache Contents tab renamed to “.needs-rebuild” and seems like they are not served to a user (10ms vs 350ms).
Is that by design?
I expected that only changed page cache will be invalidated, not the whole cache.
Do I have to schedule cache rebuilt?
If I have 100k pages, updating only one page will invalidate whole cache and it will take forever (10 hours if one takes 350ms per page) to rebuilt it again?
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