magent is a simple but useful proxy program for memcached servers. see http://code.google.com/p/memagent/ run

./magent -c ./conf/magent.conf

* keeps connections to memcached servers
* supports following memcached commands
     1. get gets
     2. delete
     3. incr decr
     4. add set replace prepend append
     5. cas 
* event-driven by using libevent library
* supports ketama algorithm
* backup servers farm
* unix domain socket 

fix some bugs 1 block when the backend memcached down 2 ketama arithmetic wrong