Install memcached-devel if you are developing C/C++ applications that require access to the memcached binary include files.
acquired package info from repodata DB: repodata/1b484c8eb5b8229fba6b5a5b11fe895b7104760061a10c49a7af41194c2b52a2-primary.sqlite.bz2
A high-performance, distributed memory object caching system
memcached is a high-performance, distributed memory object caching system, generic in nature, but intended for use in speeding up dynamic web applications by alleviating database load.