redis-cli -h 192.168.12.12 遠程登錄redis客戶端
redis 127.0.0.1:6379> ping 測試連接是否存活
PONG
redis 127.0.0.1:6379> echo wilian 在命令行打印一些內容
"wilian"
redis 127.0.0.1:6379> select 1 選擇數據庫。Redis數據庫編號從0~15，我們可以選擇任意一個數據庫來進行數據的存取
OK
redis 127.0.0.1:6379[1]> dbsize 返回當前數據庫中key的數目。
(integer) 0
redis 127.0.0.1:6379[1]> select 0
OK
redis 127.0.0.1:6379> dbsize
(integer) 20
redis 127.0.0.1:6379> info 獲取服務器的信息和統計
redis_version:2.4.5
redis_git_sha1:00000000
redis_git_dirty:0
arch_bits:32
multiplexing_api:winsock2
process_id:5956
uptime_in_seconds:100358
uptime_in_days:1
lru_clock:1957468
used_cpu_sys:4.70
used_cpu_user:4.99
used_cpu_sys_children:0.00
used_cpu_user_children:0.00
connected_clients:1
connected_slaves:0
client_longest_output_list:0
client_biggest_input_buf:0
blocked_clients:0
used_memory:684452
used_memory_human:668.41K
used_memory_rss:684452
used_memory_peak:684424
used_memory_peak_human:668.38K
mem_fragmentation_ratio:1.00
mem_allocator:libc
loading:0
aof_enabled:0
changes_since_last_save:0
bgsave_in_progress:0
last_save_time:1340763023
bgrewriteaof_in_progress:0
total_connections_received:1
total_commands_processed:199
expired_keys:3
evicted_keys:0
keyspace_hits:163
keyspace_misses:35
pubsub_channels:0
pubsub_patterns:0
latest_fork_usec:0
vm_enabled:0
role:master
db0:keys=20,expires=0
redis 127.0.0.1:6379> monitor 實時轉儲收到的請求。
OK
1340780669.110663 "monitor"
redis 127.0.0.1:6379> config get dir 獲取服務器配置信息
1) "dir"
2) "D:\\mysoft\\redis-2.0.2"
127.0.0.1:6379> info stats
# Stats
total_connections_received:125681
total_commands_processed:18879183860
instantaneous_ops_per_sec:3806 #每秒redis調用次數.包括讀寫
rejected_connections:0
sync_full:1
sync_partial_ok:0
sync_partial_err:0
expired_keys:1000
evicted_keys:0
keyspace_hits:16686960233
keyspace_misses:820886527
pubsub_channels:0
pubsub_patterns:0
latest_fork_usec:138
可以通過連續多次執行此指令去分析每秒redis的調用次數.最好保持每秒1W次以下(經驗值)
flushdb 刪除當前選擇數據庫中的所有key
flushall 刪除所有數據庫中的所有key
批量刪除某些keys
./redis-cli -h xxx -p xxx keys keysname* | xargs ./redis-cli -h xxx -p xxx del