172.16.50.207:6380> info : 查询当前 redis 的基础配置

    2. 172.16.50.207:6380> info
    3. # Server
    4. redis_version:4.0.10
    5. redis_git_sha1:00000000
    6. redis_git_dirty:0
    7. redis_build_id:36c3f6b1efd3ffa5
    8. redis_mode:cluster
    9. os:Linux 4.4.0-117-generic x86_64
    10. arch_bits:64
    11. multiplexing_api:epoll
    12. atomicvar_api:atomic-builtin
    13. gcc_version:5.4.0
    14. process_id:16573
    15. run_id:3dc8818011d8e6031b0ba274b5b7db629d1cf984
    16. tcp_port:6380
    17. uptime_in_seconds:20929074
    18. uptime_in_days:242
    19. hz:10
    20. lru_clock:9466062
    21. executable:/usr/local/redis/bin/redis-server
    22. config_file:/etc/redis/6380.conf
    24. # Clients
    25. connected_clients:245
    26. client_longest_output_list:0
    27. client_biggest_input_buf:0
    28. blocked_clients:0
    30. # Memory
    31. used_memory:8103648
    32. used_memory_human:7.73M
    33. used_memory_rss:15368192
    34. used_memory_rss_human:14.66M
    35. used_memory_peak:399777160
    36. used_memory_peak_human:381.26M
    37. used_memory_peak_perc:2.03%
    38. used_memory_overhead:6806316
    39. used_memory_startup:1444888
    40. used_memory_dataset:1297332
    41. used_memory_dataset_perc:19.48%
    42. total_system_memory:4143427584
    43. total_system_memory_human:3.86G
    44. used_memory_lua:43008
    45. used_memory_lua_human:42.00K
    46. maxmemory:0
    47. maxmemory_human:0B
    48. maxmemory_policy:noeviction
    49. mem_fragmentation_ratio:1.90
    50. mem_allocator:jemalloc-4.0.3
    51. active_defrag_running:0
    52. lazyfree_pending_objects:0
    54. # Persistence
    55. loading:0
    56. rdb_changes_since_last_save:4165
    57. rdb_bgsave_in_progress:0
    58. rdb_last_save_time:1569746962
    59. rdb_last_bgsave_status:ok
    60. rdb_last_bgsave_time_sec:0
    61. rdb_current_bgsave_time_sec:-1
    62. rdb_last_cow_size:737280
    63. aof_enabled:0
    64. aof_rewrite_in_progress:0
    65. aof_rewrite_scheduled:0
    66. aof_last_rewrite_time_sec:-1
    67. aof_current_rewrite_time_sec:-1
    68. aof_last_bgrewrite_status:ok
    69. aof_last_write_status:ok
    70. aof_last_cow_size:0
    72. # Stats
    73. total_connections_received:1569911378
    74. total_commands_processed:13544059161
    75. instantaneous_ops_per_sec:207
    76. total_net_input_bytes:3505642452374
    77. total_net_output_bytes:15541948353949
    78. instantaneous_input_kbps:16.80
    79. instantaneous_output_kbps:261.43
    80. rejected_connections:0
    81. sync_full:1
    82. sync_partial_ok:0
    83. sync_partial_err:1
    84. expired_keys:491
    85. expired_stale_perc:0.37
    86. expired_time_cap_reached_count:0
    87. evicted_keys:0
    88. keyspace_hits:5225353
    89. keyspace_misses:1500974
    90. pubsub_channels:0
    91. pubsub_patterns:0
    92. latest_fork_usec:1016
    93. migrate_cached_sockets:0
    94. slave_expires_tracked_keys:0
    95. active_defrag_hits:0
    96. active_defrag_misses:0
    97. active_defrag_key_hits:0
    98. active_defrag_key_misses:0
    100. # Replication
    101. role:master
    102. connected_slaves:1
    103. slave0:ip=172.16.50.192,port=6379,state=online,offset=3477114283672,lag=1
    104. master_replid:d49e0ed13b8658be78a9aacd6353922a756f8002
    105. master_replid2:0000000000000000000000000000000000000000
    106. master_repl_offset:3477114287817
    107. second_repl_offset:-1
    108. repl_backlog_active:1
    109. repl_backlog_size:1048576
    110. repl_backlog_first_byte_offset:3477113239242
    111. repl_backlog_histlen:1048576
    113. # CPU
    114. used_cpu_sys:449645.97
    115. used_cpu_user:538566.19
    116. used_cpu_sys_children:25670.93
    117. used_cpu_user_children:272600.09
    119. # Cluster
    120. cluster_enabled:1
    122. # Keyspace
    123. db0:keys=22,expires=17,avg_ttl=20201449
    124. 172.16.50.207:6380> info
    125. # Server
    126. redis_version:4.0.10
    127. redis_git_sha1:00000000
    128. redis_git_dirty:0
    129. redis_build_id:36c3f6b1efd3ffa5
    130. redis_mode:cluster
    131. os:Linux 4.4.0-117-generic x86_64
    132. arch_bits:64
    133. multiplexing_api:epoll
    134. atomicvar_api:atomic-builtin
    135. gcc_version:5.4.0
    136. process_id:16573
    137. run_id:3dc8818011d8e6031b0ba274b5b7db629d1cf984
    138. tcp_port:6380
    139. uptime_in_seconds:20929172
    140. uptime_in_days:242
    141. hz:10
    142. lru_clock:9466160
    143. executable:/usr/local/redis/bin/redis-server
    144. config_file:/etc/redis/6380.conf
    146. # Clients
    147. connected_clients:243
    148. client_longest_output_list:0
    149. client_biggest_input_buf:0
    150. blocked_clients:0
    152. # Memory
    153. used_memory:8065112
    154. used_memory_human:7.69M
    155. used_memory_rss:15273984
    156. used_memory_rss_human:14.57M
    157. used_memory_peak:399777160
    158. used_memory_peak_human:381.26M
    159. used_memory_peak_perc:2.02%
    160. used_memory_overhead:6772654
    161. used_memory_startup:1444888
    162. used_memory_dataset:1292458
    163. used_memory_dataset_perc:19.52%
    164. total_system_memory:4143427584
    165. total_system_memory_human:3.86G
    166. used_memory_lua:44032
    167. used_memory_lua_human:43.00K
    168. maxmemory:0
    169. maxmemory_human:0B
    170. maxmemory_policy:noeviction
    171. mem_fragmentation_ratio:1.89
    172. mem_allocator:jemalloc-4.0.3
    173. active_defrag_running:0
    174. lazyfree_pending_objects:0
    176. # Persistence
    177. loading:0
    178. rdb_changes_since_last_save:6342
    179. rdb_bgsave_in_progress:0
    180. rdb_last_save_time:1569746962
    181. rdb_last_bgsave_status:ok
    182. rdb_last_bgsave_time_sec:0
    183. rdb_current_bgsave_time_sec:-1
    184. rdb_last_cow_size:737280
    185. aof_enabled:0
    186. aof_rewrite_in_progress:0
    187. aof_rewrite_scheduled:0
    188. aof_last_rewrite_time_sec:-1
    189. aof_current_rewrite_time_sec:-1
    190. aof_last_bgrewrite_status:ok
    191. aof_last_write_status:ok
    192. aof_last_cow_size:0
    194. # Stats
    195. total_connections_received:1569923385
    196. total_commands_processed:13544080383
    197. instantaneous_ops_per_sec:232
    198. total_net_input_bytes:3505644167550
    199. total_net_output_bytes:15541970526021
    200. instantaneous_input_kbps:16.73
    201. instantaneous_output_kbps:211.43
    202. rejected_connections:0
    203. sync_full:1
    204. sync_partial_ok:0
    205. sync_partial_err:1
    206. expired_keys:493
    207. expired_stale_perc:0.00
    208. expired_time_cap_reached_count:0
    209. evicted_keys:0
    210. keyspace_hits:5229854
    211. keyspace_misses:1512005
    212. pubsub_channels:0
    213. pubsub_patterns:0
    214. latest_fork_usec:1016
    215. migrate_cached_sockets:0
    216. slave_expires_tracked_keys:0
    217. active_defrag_hits:0
    218. active_defrag_misses:0
    219. active_defrag_key_hits:0
    220. active_defrag_key_misses:0
    222. # Replication
    223. role:master
    224. connected_slaves:1
    225. slave0:ip=172.16.50.192,port=6379,state=online,offset=3477114955998,lag=0
    226. master_replid:d49e0ed13b8658be78a9aacd6353922a756f8002
    227. master_replid2:0000000000000000000000000000000000000000
    228. master_repl_offset:3477114955998
    229. second_repl_offset:-1
    230. repl_backlog_active:1
    231. repl_backlog_size:1048576
    232. repl_backlog_first_byte_offset:3477113907423
    233. repl_backlog_histlen:1048576
    235. # CPU
    236. used_cpu_sys:449646.53
    237. used_cpu_user:538566.69
    238. used_cpu_sys_children:25670.93
    239. used_cpu_user_children:272600.09
    241. # Cluster
    242. cluster_enabled:1
    244. # Keyspace
    245. db0:keys=24,expires=19,avg_ttl=19068444

    172.16.50.207:6380> info replication 查看当前机器的节点信息

    find / -name redis-trib.rb 查找 redis-trib.rb 文件

    redis-trib.rb check 172.16.50.207:6379 ：查询 redis 集群的主从关系 s:slave m:master

    root@test-redis-50-207:~# /opt/redis-4.0.10/redis-4.0.10/src/redis-trib.rb check 
172.16.50.207:6379
>>> Performing Cluster Check (using node 172.16.50.207:6379)
S: 4a35d4686c4194afa4c551f2d848e99313c50cec 172.16.50.207:6379
   slots: (0 slots) slave
   replicates 1013ad4ed368b07239f760feca8a08f29d5296ef
S: 4965886b7e35111783d083d4c0f6643a47a5d80b 172.16.50.193:6380
   slots: (0 slots) slave
   replicates 1013ad4ed368b07239f760feca8a08f29d5296ef
S: 54e4ea1e0096ff7b66255ac8047cebdcea554ab7 172.16.50.193:6381
   slots: (0 slots) slave
   replicates edb83eb54fec243e8107766798392bcbd5428a3d
S: 6e32935cf2a0fb89023bc03fc86b2a88c311075c 172.16.50.193:6379
   slots: (0 slots) slave
   replicates 41ac52c009e6c20a916e2ad831eb5ded18f25710
M: 41ac52c009e6c20a916e2ad831eb5ded18f25710 172.16.50.192:6381
   slots:5461-10922 (5462 slots) master
   1 additional replica(s)
M: 1013ad4ed368b07239f760feca8a08f29d5296ef 172.16.50.192:6380
   slots:10923-16383 (5461 slots) master
   2 additional replica(s)
M: f46607bb1de73ae64e9ae4f0796cd475a718570f 172.16.50.207:6380
   slots:0-5460 (5461 slots) master
   1 additional replica(s)
S: edb83eb54fec243e8107766798392bcbd5428a3d 172.16.50.192:6379
   slots: (0 slots) slave
   replicates f46607bb1de73ae64e9ae4f0796cd475a718570f
[OK] All nodes agree about slots configuration.
>>> Check for open slots...
>>> Check slots coverage...
[OK] All 16384 slots covered.