Tickets :: Comment on [#13085] Use memcache instead of distributed hashtable in $conf[cache][driver]

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Comment	>>> That's true, but would it hurt to set the lifetime? All cache drivers >>> will default to a lifetime of '0', which means data will never be GC. >> >> Memcache does not need GC and, thus, doesn't need lifetimes. > > This remark wasn't limited to memcache. Currently, the data that is > stored in the cache by Horde_Service_Weather doesn't set a lifetime, > which (if I understand correctly) means that it will never expire and > stay in the cache forever. So while memcache may not need this, other > cache drivers may in order for prevent the cache from filling up. For > instance, with WeatherUnderground (if users don't configure a > location in their preferences) the GeoIP lookups of mobile users may > result in loads of entries.
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