先用命令来安装，提示找不到该命令,因为没有安装homebrew,类似于centos里的yum
homebrew安装
ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"homebrew官网
memcached 安装
brew install memcached开启memcached
memcached -d -p 11211 -u nobody -c 1024 -m 64连接到memcached端口
telnet localhost 11211设置键值
set test 0 0 3 bar显示
STORED显示strored即为保存成功
获取键值，输入命令
get test显示
VALUE test 0 3 bar使用命令stats查看memcached状态
stats STAT pid 93852 STAT uptime 2119 STAT time 1489027137 STAT version 1.4.35 STAT libevent 2.1.8-stable STAT pointer_size 64 STAT rusage_user 0.227149 STAT rusage_system 0.356639 STAT curr_connections 10 STAT total_connections 12 STAT connection_structures 11 STAT reserved_fds 20 STAT cmd_get 2 STAT cmd_set 2 STAT cmd_flush 0 STAT cmd_touch 0 STAT get_hits 2 STAT get_misses 0 STAT get_expired 0 STAT get_flushed 0 STAT delete_misses 0 STAT delete_hits 0 STAT incr_misses 0 STAT incr_hits 0 STAT decr_misses 0 STAT decr_hits 0 STAT cas_misses 0 STAT cas_hits 0 STAT cas_badval 0 STAT touch_hits 0 STAT touch_misses 0 STAT auth_cmds 0 STAT auth_errors 0 STAT bytes_read 115 STAT bytes_written 130 STAT limit_maxbytes 33554432 STAT accepting_conns 1 STAT listen_disabled_num 0 STAT time_in_listen_disabled_us 0 STAT threads 4 STAT conn_yields 0 STAT hash_power_level 16 STAT hash_bytes 524288 STAT hash_is_expanding 0 STAT malloc_fails 0 STAT log_worker_dropped 0 STAT log_worker_written 0 STAT log_watcher_skipped 0 STAT log_watcher_sent 0 STAT bytes 143 STAT curr_items 2 STAT total_items 2 STAT expired_unfetched 0 STAT evicted_unfetched 0 STAT evictions 0 STAT reclaimed 0 STAT crawler_reclaimed 0 STAT crawler_items_checked 0 STAT lrutail_reflocked 0 END结束telnet，输入telnet退出命令：quit命令退出
quit显示
Connection closed by foreign host