diff options
Diffstat (limited to 'iredis/data/commands/cluster-replicate.md')
| -rw-r--r-- | iredis/data/commands/cluster-replicate.md | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/iredis/data/commands/cluster-replicate.md b/iredis/data/commands/cluster-replicate.md index ab5cf5c..5b403aa 100644 --- a/iredis/data/commands/cluster-replicate.md +++ b/iredis/data/commands/cluster-replicate.md @@ -1,6 +1,6 @@ -The command reconfigures a node as a replica of the specified master. If the -node receiving the command is an _empty master_, as a side effect of the -command, the node role is changed from master to replica. +The command reconfigures a node as a replica of the specified master. +If the node receiving the command is an *empty master*, as a side effect +of the command, the node role is changed from master to replica. Once a node is turned into the replica of another master node, there is no need to inform the other cluster nodes about the change: heartbeat packets exchanged @@ -9,21 +9,18 @@ between nodes will propagate the new configuration automatically. A replica will always accept the command, assuming that: 1. The specified node ID exists in its nodes table. -2. The specified node ID does not identify the instance we are sending the - command to. +2. The specified node ID does not identify the instance we are sending the command to. 3. The specified node ID is a master. -If the node receiving the command is not already a replica, but is a master, the -command will only succeed, and the node will be converted into a replica, only -if the following additional conditions are met: +If the node receiving the command is not already a replica, but is a master, +the command will only succeed, and the node will be converted into a replica, +only if the following additional conditions are met: 1. The node is not serving any hash slots. 2. The node is empty, no keys are stored at all in the key space. -If the command succeeds the new replica will immediately try to contact its -master in order to replicate from it. +If the command succeeds the new replica will immediately try to contact its master in order to replicate from it. @return -@simple-string-reply: `OK` if the command was executed successfully, otherwise -an error is returned. +@simple-string-reply: `OK` if the command was executed successfully, otherwise an error is returned. |