Valkey : Configure Replication2025/09/17 |
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Configure Valkey Replication. This configuration is general Primary-Replica settings. |
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| [1] | Change Settings on Primary Host. |
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root@dlp:~#
vi /etc/valkey/valkey.conf # line 88 : change to own IP address or [0.0.0.0] bind 0.0.0.0 -::
# line 356 : change (run as daemon) daemonize yes # line 924 : add follows if need # min-replicas-to-write : if number of Replica Hosts are online, Primary Host accepts write requests # min-replicas-max-lag : decision time(sec) for online if Replica Hosts return answer within specified time
min-replicas-to-write 1
min-replicas-max-lag 10 # line 1172 : authentication password
requirepass password
systemctl restart valkey
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| [2] | Change Settings on Replica Host. |
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root@node01:~#
vi /etc/valkey/valkey.conf # line 88 : change to own IP address or [0.0.0.0] bind 0.0.0.0 -::
# line 356 : change (run as daemon) daemonize yes # line 633 : add Primary Host IP address and port
replicaof 10.0.0.30 6379
# line 651 : add authentication password set on Primary Host
primaryauth password
# line 682 : verify parameter (set Replica Hosts read-only) replica-read-only yes systemctl restart valkey
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| [3] | Verify statistics on Replica Hosts, then it's OK if [master_link_status:up] is shown. |
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root@node01:~# valkey-cli 127.0.0.1:6379> auth password OK # show statics 127.0.0.1:6379> info Replication # Replication role:slave master_host:10.0.0.30 master_port:6379 master_link_status:up master_last_io_seconds_ago:10 master_sync_in_progress:0 slave_read_repl_offset:56 slave_repl_offset:56 replicas_repl_buffer_size:0 replicas_repl_buffer_peak:0 slave_priority:100 slave_read_only:1 replica_announced:1 connected_slaves:0 replicas_waiting_psync:0 master_failover_state:no-failover master_replid:dbaa79c27589eab151e887c4e43bb84082968b8a master_replid2:0000000000000000000000000000000000000000 master_repl_offset:56 second_repl_offset:-1 repl_backlog_active:1 repl_backlog_size:10485760 repl_backlog_first_byte_offset:43 repl_backlog_histlen:14 # verify to get keys set on Primary Host 127.0.0.1:6379> get key_on_master "value_on_master" |
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