增刪改查key-values
插入數據測試
# 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
查詢數據
按key值查詢
# etcdctl get name1
name1
james
不顯示key只限制values
# etcdctl get --print-value-only name1
james
按key前綴查找
# etcdctl get --prefix name
name1
james
name11
alice
name12
seli
name2
jetty
name3
tom
name4
cris
按key的字節排序的前綴查找>=
# etcdctl get --from-key name2
name2
jetty
name3
tom
name4
cris
按key的字節排序區間查找<= value <
# etcdctl get name1 name3
name1
james
name11
alice
name12
seli
name2
jetty
查找所有key
# etcdctl get --from-key "" avg_age 25 name1 james name11 alice name12 seli name2 jetty name3 tom name4 cris
刪除數據
刪除key name11
# etcdctl del name11
刪除key name12時並返回被刪除的鍵值對
# etcdctl del --prev-kv name12 1 name12 seli
刪除指定字節排序起始值后的key
# etcdctl del --prev-kv --from-key name3 2 name3 tom name4 cris
刪除指定前綴的key
# etcdctl del --prev-kv --prefix name 2 name1 james name2 jetty
刪除所有數據
# etcdctl del --prefix "" 9
更新數據
直接用put即可
# etcdctl get --prefix "" avg_age 25 # etcdctl put avg_age 30 OK # etcdctl get --prefix "" avg_age 30