what about
# locate libmemcached
/usr/lib/libmemcached.so.7
/usr/lib/libmemcached.so.7.0.0
/usr/lib/libmemcachedprotocol.so.0
/usr/lib/libmemcachedprotocol.so.0.0.0
/usr/lib/libmemcachedutil.so.2
/usr/lib/libmemcachedutil.so.2.0.0
/usr/share/doc/libmemcached-0.49
/usr/share/doc/libmemcached-0.49/AUTHORS
/usr/share/doc/libmemcached-0.49/COPYING
/usr/share/doc/libmemcached-0.49/NEWS
/usr/share/doc/libmemcached-0.49/README
/usr/share/doc/libmemcached-0.49/THANKS
/usr/share/doc/libmemcached-0.49/TODO
/var/lib/yum/yumdb/l/8bc04da7700e9a8f6f54948a133f4658b125b0d9-libmemcached-0.49-1-i686
/var/lib/yum/yumdb/l/8bc04da7700e9a8f6f54948a133f4658b125b0d9-libmemcached-0.49-1-i686/checksum_data
/var/lib/yum/yumdb/l/8bc04da7700e9a8f6f54948a133f4658b125b0d9-libmemcached-0.49-1-i686/checksum_type
/var/lib/yum/yumdb/l/8bc04da7700e9a8f6f54948a133f4658b125b0d9-libmemcached-0.49-1-i686/command_line
/var/lib/yum/yumdb/l/8bc04da7700e9a8f6f54948a133f4658b125b0d9-libmemcached-0.49-1-i686/from_repo
/var/lib/yum/yumdb/l/8bc04da7700e9a8f6f54948a133f4658b125b0d9-libmemcached-0.49-1-i686/from_repo_timestamp
/var/lib/yum/yumdb/l/8bc04da7700e9a8f6f54948a133f4658b125b0d9-libmemcached-0.49-1-i686/installed_by
/var/lib/yum/yumdb/l/8bc04da7700e9a8f6f54948a133f4658b125b0d9-libmemcached-0.49-1-i686/reason
/var/lib/yum/yumdb/l/8bc04da7700e9a8f6f54948a133f4658b125b0d9-libmemcached-0.49-1-i686/releasever