system/config/cache.php
default
Cache settings, defined as arrays, or "groups". If no group name is used when loading the cache library, the group named "default" will be used.
Each group can be used independently, and multiple groups can be used at once.
Group Options:
driver
Cache backend driver. Kohana comes with file, database, and memcache drivers.
> File cache is fast and reliable, but requires many filesystem lookups. > Database cache can be used to cache items remotely, but is slower. > Memcache is very high performance, but prevents cache tags from being used.
params
Driver parameters, specific to each driver.
lifetime
Default lifetime of caches in seconds. By default caches are stored for
thirty minutes. Specific lifetime can also be set when creating a new cache. Setting this to 0 will never automatically delete caches.
requests
Average number of cache requests that will processed before all expired
caches are deleted. This is commonly referred to as "garbage collection". Setting this to 0 or a negative number will disable automatic garbage collection.
Default value: array