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Diffstat (limited to 'iredis/data/commands/readonly.md')
-rw-r--r-- | iredis/data/commands/readonly.md | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/iredis/data/commands/readonly.md b/iredis/data/commands/readonly.md index 00e8aad..bc73b9b 100644 --- a/iredis/data/commands/readonly.md +++ b/iredis/data/commands/readonly.md @@ -1,20 +1,18 @@ -Enables read queries for a connection to a Redis Cluster replica node. +Enables read queries for a connection to a Redis Cluster replica node. -Normally replica nodes will redirect clients to the authoritative master for the -hash slot involved in a given command, however clients can use replicas in order -to scale reads using the `READONLY` command. +Normally replica nodes will redirect clients to the authoritative master for +the hash slot involved in a given command, however clients can use replicas +in order to scale reads using the `READONLY` command. -`READONLY` tells a Redis Cluster replica node that the client is willing to read -possibly stale data and is not interested in running write queries. +`READONLY` tells a Redis Cluster replica node that the client is willing to +read possibly stale data and is not interested in running write queries. -When the connection is in readonly mode, the cluster will send a redirection to -the client only if the operation involves keys not served by the replica's +When the connection is in readonly mode, the cluster will send a redirection +to the client only if the operation involves keys not served by the replica's master node. This may happen because: -1. The client sent a command about hash slots never served by the master of this - replica. -2. The cluster was reconfigured (for example resharded) and the replica is no - longer able to serve commands for a given hash slot. +1. The client sent a command about hash slots never served by the master of this replica. +2. The cluster was reconfigured (for example resharded) and the replica is no longer able to serve commands for a given hash slot. @return |