memcached expiration time

Question

Memcached provides a cache expiration time option, which specifies how long objects are retained in the cache. Assuming all writes are through the cache I f

Answer 1

I'd say it is about the distinction between 'Least Recently Used' and 'Not Gonna Be Used Anymore' ... if you can indicate explicitly which objects can be taken out of the cache, that leaves more room for objects that may still be used later.