redis-cli -h 192.168.12.12    远程登录redis客户端

redis 127.0.0.1:6379> ping   测试连接是否存活  

PONG

redis 127.0.0.1:6379> echo wilian 在命令行打印一些内容

"wilian"

redis 127.0.0.1:6379> select 1 选择数据库。Redis数据库编号从0~15，我们可以选择任意一个数据库来进行数据的存取

OK

redis 127.0.0.1:6379[1]> dbsize  返回当前数据库中key的数目。

(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 获取服务器的信息和统计

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 实时转储收到的请求。

OK

1340780669.110663 "monitor"

redis 127.0.0.1:6379> config get dir 获取服务器配置信息

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调用次数.包括读写
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

可以通过连续多次执行此指令去分析每秒redis的调用次数.最好保持每秒1W次以下(经验值)

flushdb 删除当前选择数据库中的所有key

flushall  删除所有数据库中的所有key

批量删除某些keys

./redis-cli -h xxx -p xxx keys keysname* | xargs ./redis-cli -h xxx -p xxx del

redis实用指令