增删key-values
# etcdctl put name1 james
# etcdctl put name11 alice
# etcdctl put name12 seli
# etcdctl put name2 jetty
# etcdctl put name3 tom
# etcdctl put name4 cris
# etcdctl put avg_age 25
查询key-values
# etcdctl get name1
name1
james
不显示key只限制values
# etcdctl get --print-value-only name1
james
按key前缀查找values
# etcdctl get --prefix name
name1
james
name11
alice
name12
seli
name2
jetty
name3
tom
name4
cris
按大于等于该key的条件查找
# etcdctl get --from-key name2
name2
jetty
name3
tom
name4
cris
查找所有的key
# etcdctl get --from-key "" avg_age 25 name1 james name11 alice name12 seli name2 jetty name3 tom name4 cris
区间查找<= value <
# etcdctl get name1 name3
name1
james
name11
alice
name12
seli
name2
jetty
原文：https://www.cnblogs.com/ilifeilong/p/11606757.html