Persistent caching using APC, xCache, eAccelerator, Zend Disk Cache, Zend Shared Memory Cache or files.
em-object-cachefolder to the
wp-contentdirectory is writable by the web server: the plugin will need to copy
object-cache.phpfile into it.
wp-content/plugins/em-object-cachedirectory is writable by the web server: the plugin will store its configuration (
wp-content/object-cache.phpfile exists. If it is not, please copy it from
wp-content/object-cache.phpfile wust me writable by the server since plugin stores its options in that file.
WARNING: if you are upgrading from 2.0, please make sure to read "Upgrade Notice".