In the page caching options I have “Garbage collection interval” set to 86400 seconds (1 day), but it looks like W3TC is re-caching these pages about every 30 minutes or 1 hour. These pages are hardly updated, so I don’t need them cached so often.
Is there any way to make this work as expected? I suspect this has to do with “Cache Preload > Update interval” being set to 900 seconds (the default setting), but even so, why is the garbage collection interval ignored?
Do I need to update the cache preload to 86400 seconds to make it work correctly? I have “Automatically prime the page cache” checked and my XML sitemap specified, but this occurs even if prime the page cache is unchecked.
BTW, I’d rather use “enhanced” disk caching, which doesn’t have this problem, but I need to use “basic” disk caching in order for my redirects to work.
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