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How Caching Works?

#1
I've seen that XenForo uses heavy caching and that's the reason behind it's so fast.

But, I would like to ask how XenForo invalidates a thread-listing page or post page cache so that users see latest information in ftont-end. I've seen that there's cache_lifetime => 10800 in config.php, so does this time is considered to invalidate a cache?
 

Mike

XenForo developer
Staff member
#2
XenForo doesn't use caching like that. Out of the box, it doesn't use that much (memory) caching either. If you have caching configured in config.php, that's something you added.