system.clusters

• (String) — The cluster name.
• shard_num (UInt32) — The shard number in the cluster, starting from 1.
• shard_weight (UInt32) — The relative weight of the shard when writing data.
• host_name (String) — The host name, as specified in the config.
• (String) — The host IP address obtained from DNS.
• port (UInt16) — The port to use for connecting to the server.
• errors_count (UInt32) - number of times this host failed to reach replica.
• estimated_recovery_time (UInt32) - seconds left until replica error count is zeroed and it is considered to be back to normal.

• Table engine Distributed