The meaning of each value in the redis-cli info command
# Server
redis_version:3.2.0 #redis version
redis_git_sha1:00000000
redis_git_dirty:0
redis_build_id:85def9ed04ebeee4
redis_mode:cluster #Run mode (standalone,cluster)
os:Linux 3.0.13-0.27-default x86_64
#Run system kernel version arch_bits:64 # Word length
multiplexing_api:epoll #Event processing mechanism used by
Redis gcc_version:4.3.4 #The GCC version used when compiling Redis
process_id:26327 #Redis process PID
run_id:e833bf79e98daa5b5917c510b4d9f056cfc5059c #Redis server number (for cluster)
tcp_port:7001 # The listening port
uptime_in_seconds:587882 #The number of running seconds
uptime_in_days:6 #The number of running days
hz:10
#The frequency at which the function used to perform background tasks is called lru_clock:10570417 #The timer used for LRU management, in minutes.
executable: /home/rediscluster/7001/redis/./bin/redis-server #bin file location
config_file:/home/rediscluster/7001/redis/./config/redis.conf #Configuration file location
# Clients
connected_clients:1 #Number of
connected clients client_longest_output_list:0
#The longest output list in the current client connection client_biggest_input_buf:0 #The largest input buffer in the current client connection
blocked_clients:0 #Number of blocked clients
Memory #
used_memory: 2421816 # memory consumption
used_memory_human: 2.31M
used_memory_rss: # 3.97312 million allocated to the operating system memory Redis
used_memory_rss_human: 3.79M
used_memory_peak: # 2421816 peak memory consumption
used_memory_peak_human: 2.31M
total_system_memory: # 8,250,241,024 total system memory
total_system_memory_human: 7.68 G
used_memory_lua: 37 888 #Lua script memory consumption
used_memory_lua_human: 37.00K
MaxMemory: 0 # memory usage limits
maxmemory_human: 0B
maxmemory_policy: behavior when memory limits # noeviction
mem_fragmentation_ratio: # 1.64 memory fragmentation rate (= used_memory_rss / used_memory)
mem_allocator: that jemalloc -4.0.3 #Memory allocator
# Persistence
loading:0
#Whether the persistent file is being loaded rdb_changes_since_last_save:0
#The number of key values modified since the last persistence rdb_bgsave_in_progress:0
#Whether the RDB file is being saved in the background rdb_last_save_time:1469670746 #The timestamp of the last RDB persistence
rdb_last_bgsave_status :ok
#The result of the last RDB persistence rdb_last_bgsave_time_sec:0
#The number of seconds that the RDB file was created last time rdb_current_bgsave_time_sec:-1 #If the RDB file is being created, record how much time has been consumed
aof_enabled:1 #Whether to enable AOF persistence
aof_rewrite_in_progress :0
#Whether the AOF file is being rewritten aof_rewrite_scheduled:0 #Whether the AOF file will be rewritten
aof_last_rewrite_time_sec:-1 #The time consumed by the last AOF rewrite
aof_current_rewrite_time_sec:-1 #The time consumed by the current AOF rewrite
aof_last_bgrewrite_status:ok #上The result of rewriting the AOF file
aof_last_write_status:ok #The result of the last write to the AOF file
aof_current_size:54
#The size of the current AOF file aof_base_size:0 #The size of the previous AOF file
aof_pending_rewrite:0 #Whether there is an AOF rewrite operation waiting for the creation of the RDB file
aof_buffer_length:0 #AOF write buffer size
aof_rewrite_buffer_length:0 #AOF rewrite buffer size
aof_pending_bio_fsync:0 #Waiting fsync( in the I/O queue )
Aof_delayed_fsync:0 #The number of fsync() that is delayed
# Stats
total_connections_received:9
#The number of connection requests the server has accepted total_commands_processed:586729 #The number of commands the server has executed
instantaneous_ops_per_sec:1
#The current number of commands executed per second total_net_input_bytes:22855989 #Total size of received data packets
total_net_output_bytes:849760 #Sent Total packet size
instantaneous_input_kbps:0.05 #Current downlink rate
instantaneous_output_kbps:0.01 #Current uplink rate
rejected_connections:0
#Number of rejected connection requests sync_full:1 #Master-slave synchronization status
sync_partial_ok:0
sync_partial_err:0
expired_keys:0 #Expired keys
evicted_keys: 0 # because of memory limit reached culled key number
keyspace_hits: frequency 0 # hit the key of
keyspace_misses: 0 # misses times
pubsub_channels: 0 # currently subscribed channels and model number
pubsub_patterns: 0
latest_fork_usec: 640 # last The number of milliseconds consumed by fork()
migrate_cached_sockets:0 #Number of TCP connections cached for node migration
# Replication
role:master #Master node or slave node
connected_slaves:1
#Number of connected slave nodes slave0:ip=127.0.0.1,port=7004,state=online,offset=821435,lag=1 #slave node information ip port Data
freshness , etc. master_repl_offset:821435 #Master node data
freshness repl_backlog_active:1 #Whether to enable the backlog space for master-slave synchronization
repl_backlog_size:1048576
#Backlog space size repl_backlog_first_byte_offset:2 #Data freshness at the beginning of the backlog space
repl_backlog_histlen:821434 #Backlog space current The amount of data
# CPU
used_cpu_sys:255.39 #Core state CPU time
used_cpu_user:257.42 #User state CPU time
used_cpu_sys_children:0.00 #Child process core state CPU time
used_cpu_user_children:0.00 #Child process user state CPU time
# Cluster
cluster_enabled:1 #Whether to enable the cluster
# Keyspace
db0:keys=1,expires=0,avg_ttl=0 #The number of keys in each database, the number of expired keys, and the estimated value of the average expiration timestamp of the keys in the database