Memcached stats 命令
stats命令用于返回统计信息
语法:
stats
stats STAT pid 812 STAT uptime 4296 STAT time 1470637657 STAT version 1.4.15 STAT libevent 2.0.21-stable STAT pointer_size 64 STAT rusage_user 0.110351 STAT rusage_system 0.220702 STAT curr_connections 10 STAT total_connections 18 STAT connection_structures 11 STAT reserved_fds 20 STAT cmd_get 32 STAT cmd_set 32 STAT cmd_flush 0 STAT cmd_touch 0 STAT get_hits 25 STAT get_misses 7 STAT delete_misses 6 STAT delete_hits 4 STAT incr_misses 0 STAT incr_hits 1 STAT decr_misses 0 STAT decr_hits 1 STAT cas_misses 1 STAT cas_hits 2 STAT cas_badval 0 STAT touch_hits 0 STAT touch_misses 0 STAT auth_cmds 0 STAT auth_errors 0 STAT bytes_read 1745 STAT bytes_written 1565 STAT limit_maxbytes 67108864 STAT accepting_conns 1 STAT listen_disabled_num 0 STAT threads 4 STAT conn_yields 0 STAT hash_power_level 16 STAT hash_bytes 524288 STAT hash_is_expanding 0 STAT bytes 140 STAT curr_items 2 STAT total_items 26 STAT expired_unfetched 1 STAT evicted_unfetched 0 STAT evictions 0 STAT reclaimed 11 END
状态对应含义:
pid:memcache服务器进程ID
uptime:服务器已运行秒数
time:服务器当前Unix时间戳
version:memcached版本
pointer_size:操作系统指针大小
rusage_user:进程累计用户时间
rusage_system:进程累计系统时间
curr_connections:当前连接数量
total_connections:Memcached运行以来连接总数
connection_structures:Memcached分配的连接结构数量
cmd_get:get命令请求次数
cmd_set:set命令请求次数
cmd_flush:flush命令请求次数
get_hits:get命令命中次数(delete/incr/decr/cas)
get_misses:get命令未命中次数(delete/incr/decr/cas)
cas_badval:使用擦拭次数
auth_cmds:认证命令处理的次数
auth_errors:认证失败数目
bytes_read:读取总字节数
bytes_written:发送总字节数
limit_maxbytes:分配的内存总大小(字节)
accepting_conns:服务器是否达到过最大链接(0/1)
listen_disables_num:失效的监听数
threads:当前线程数
conn_yields:连接操作主动放弃数目
bytes:当前存储占用的字节数
curr_items:当前存储的数据总数
total_items:启动以来存储的数据总数
evictions:LRU释放的对象数目
reclaimed:已过期的数据条目来存储新数据的数目

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