方法一
如下命令
redis-cli-h10.218.223.147-p16380info
结果如下
#Serverredis_version:3.2.12redis_git_sha1:00000000redis_git_dirty:0redis_build_id:b2d74fe5fff7657dredis_mode:standaloneos:Linux2.6.32-696.el6.x86_64x86_64arch_bits:64multiplexing_api:epollgcc_version:4.4.7process_id:3945run_id:c37f073621e201bad8d708cfdd9a40be68964e2ftcp_port:16380uptime_in_seconds:26878uptime_in_days:0hz:10lru_clock:909298executable:/opt/redis-sentinel/redis-serverconfig_file:/opt/redis-sentinel/redis02.conf#Clientsconnected_clients:27client_longest_output_list:0client_biggest_input_buf:0blocked_clients:0#Memoryused_memory:53727848used_memory_human:51.24Mused_memory_rss:61210624used_memory_rss_human:58.38Mused_memory_peak:65461048used_memory_peak_human:62.43Mtotal_system_memory:16725540864total_system_memory_human:15.58Gused_memory_lua:37888used_memory_lua_human:37.00Kmaxmemory:0maxmemory_human:0Bmaxmemory_policy:noevictionmem_fragmentation_ratio:1.14mem_allocator:jemalloc-3.6.0#Persistenceloading:0rdb_changes_since_last_save:0rdb_bgsave_in_progress:0rdb_last_save_time:1594736112rdb_last_bgsave_status:okrdb_last_bgsave_time_sec:0rdb_current_bgsave_time_sec:-1aof_enabled:0aof_rewrite_in_progress:0aof_rewrite_scheduled:0aof_last_rewrite_time_sec:-1aof_current_rewrite_time_sec:-1aof_last_bgrewrite_status:okaof_last_write_status:ok#Statstotal_connections_received:5989total_commands_processed:239517instantaneous_ops_per_sec:6total_net_input_bytes:117115403total_net_output_bytes:1407208564instantaneous_input_kbps:0.39instantaneous_output_kbps:1.43rejected_connections:0sync_full:2sync_partial_ok:0sync_partial_err:0expired_keys:11evicted_keys:0keyspace_hits:9505keyspace_misses:235pubsub_channels:1pubsub_patterns:0latest_fork_usec:11480migrate_cached_sockets:0#Replication红色部分说明role:masterconnected_slaves:2slave0:ip=10.218.223.147,port=16379,state=online,offset=99380539,lag=0slave1:ip=10.218.223.147,port=16381,state=online,offset=99380539,lag=1master_repl_offset:99380841repl_backlog_active:1repl_backlog_size:1048576repl_backlog_first_byte_offset:98332266repl_backlog_histlen:1048576#CPUused_cpu_sys:42.66used_cpu_user:24.21used_cpu_sys_children:0.16used_cpu_user_children:0.56#Clustercluster_enabled:0#Keyspacedb5:keys=26,expires=0,avg_ttl=0
- 标记红色部分说明 IP 为10.218.223.147，port为16380的实例为主，16379和16381的实例都是从。
方法二
[root~]#redis-cli-p36379127.0.0.1:36379>SENTINELget-master-addr-by-namemymaster1) "192.168.205.151"2) "6379"127.0.0.1:36379>
- Ps：这个命令好处在于定位精准，无论是在主还是从服务器上，都可以准确定位出谁是主！
