CLUSTER INFO provides INFO style information about Redis Cluster vital parameters. The following is a sample output, followed by the description of each field reported.

cluster_state:ok
cluster_slots_assigned:16384
cluster_slots_ok:16384
cluster_slots_pfail:0
cluster_slots_fail:0
cluster_known_nodes:6
cluster_size:3
cluster_current_epoch:6
cluster_my_epoch:2
cluster_stats_messages_sent:1483972
cluster_stats_messages_received:1483968

More information about the Current Epoch and Config Epoch variables are available in the Redis Cluster specification document.

@return

@bulk-string-reply: A map between named fields and values in the form of <field>:<value> lines separated by newlines composed by the two bytes CRLF.