Redis CONFIG_RESETSTAT 命令
CONFIG RESETSTAT¶
CONFIG RESETSTAT
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)
- 可用版本：
- >= 2.0.0
- 时间复杂度：
- O(1)
- 返回值：
- 总是返回 OK 。
# 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