Redis CONFIG RESETSTAT命令|极客教程

CONFIG RESETSTAT

可用版本： >= 2.0.0

时间复杂度： O(1)

重置 INFO 命令中的某些统计数据，包括：

Keyspace hits (键空间命中次数)
Keyspace misses (键空间不命中次数)
Number of commands processed (执行命令的次数)
Number of connections received (连接服务器的次数)
Number of expired keys (过期key的数量)
Number of rejected connections (被拒绝的连接数量)
Latest fork(2) time(最后执行 fork(2) 的时间)
The aof_delayed_fsync counter(aof_delayed_fsync 计数器的值)

Redis CONFIG RESETSTAT命令返回值

总是返回 OK 。

Redis CONFIG RESETSTAT命令代码示例

重置前

redis 127.0.0.1:6379> INFO
# Server
redis_version:2.5.3
redis_git_sha1:d0407c2d
redis_git_dirty:0
arch_bits:32
multiplexing_api:epoll
gcc_version:4.6.3
process_id:11095
run_id:ef1f6b6c7392e52d6001eaf777acbe547d1192e2
tcp_port:6379
uptime_in_seconds:6
uptime_in_days:0
lru_clock:1205426

# Clients
connected_clients:1
client_longest_output_list:0
client_biggest_input_buf:0
blocked_clients:0

# Memory
used_memory:331076
used_memory_human:323.32K
used_memory_rss:1568768
used_memory_peak:293424
used_memory_peak_human:286.55K
used_memory_lua:16384
mem_fragmentation_ratio:4.74
mem_allocator:jemalloc-2.2.5

# Persistence
loading:0
aof_enabled:0
changes_since_last_save:0
bgsave_in_progress:0
last_save_time:1333260015
last_bgsave_status:ok
bgrewriteaof_in_progress:0

# Stats
total_connections_received:1
total_commands_processed:0
instantaneous_ops_per_sec:0
rejected_connections:0
expired_keys:0
evicted_keys:0
keyspace_hits:0
keyspace_misses:0
pubsub_channels:0
pubsub_patterns:0
latest_fork_usec:0

# Replication
role:master
connected_slaves:0

# CPU
used_cpu_sys:0.01
used_cpu_user:0.00
used_cpu_sys_children:0.00
used_cpu_user_children:0.00

# Keyspace
db0:keys=20,expires=0

重置

redis 127.0.0.1:6379> CONFIG RESETSTAT
OK

重置后

redis 127.0.0.1:6379> INFO
# Server
redis_version:2.5.3
redis_git_sha1:d0407c2d
redis_git_dirty:0
arch_bits:32
multiplexing_api:epoll
gcc_version:4.6.3
process_id:11095
run_id:ef1f6b6c7392e52d6001eaf777acbe547d1192e2
tcp_port:6379
uptime_in_seconds:134
uptime_in_days:0
lru_clock:1205438

# Clients
connected_clients:1
client_longest_output_list:0
client_biggest_input_buf:0
blocked_clients:0

# Memory
used_memory:331076
used_memory_human:323.32K
used_memory_rss:1568768
used_memory_peak:330280
used_memory_peak_human:322.54K
used_memory_lua:16384
mem_fragmentation_ratio:4.74
mem_allocator:jemalloc-2.2.5

# Persistence
loading:0
aof_enabled:0
changes_since_last_save:0
bgsave_in_progress:0
last_save_time:1333260015
last_bgsave_status:ok
bgrewriteaof_in_progress:0

# Stats
total_connections_received:0
total_commands_processed:1
instantaneous_ops_per_sec:0
rejected_connections:0
expired_keys:0
evicted_keys:0
keyspace_hits:0
keyspace_misses:0
pubsub_channels:0
pubsub_patterns:0
latest_fork_usec:0

# Replication
role:master
connected_slaves:0

# CPU
used_cpu_sys:0.05
used_cpu_user:0.02
used_cpu_sys_children:0.00
used_cpu_user_children:0.00

# Keyspace
db0:keys=20,expires=0