InnoDB System Variables Command-Line Format --daemon-memcached-engine-lib- name=file_name System Variable daemon_memcached_engine_lib_name Scope Global Dynamic No SET_VAR  Hint Applies No Type File name Default Value innodb_engine.so Command-Line Format --daemon-memcached-engine-lib- path=dir_name System Variable daemon_memcached_engine_lib_path Scope Global Dynamic No SET_VAR  Hint Applies No Type Directory name Default Value NULL Command-Line Format --daemon-memcached-option=options System Variable daemon_memcached_option Scope Global Dynamic No SET_VAR  Hint Applies No Type String Default Value 3214 Used to pass space-separated memcached options to the underlying  memcached  memory object caching daemon on startup. For example, you might change the port that  memcached  listens on, reduce For more information, see Section 15.20.3, “Setting Up the InnoDB memcached Plugin” . The path of the directory containing the shared library that implements the  InnoDB memcached  plugin. The default value is NULL, representing the MySQL plugin directory. You should not need to modify this parameter unless specifying a  memcached  plugin for a different storage engine that is located outside of the MySQL plugin directory. • daemon_memcached_option • daemon_memcached_engine_lib_path Specifies the shared library that implements the  InnoDB memcached  plugin. For more information, see Section 15.20.3, “Setting Up the InnoDB memcached Plugin” .