2181 {{ server_id }} /var/lib/clickhouse/coordination/log /var/lib/clickhouse/coordination/snapshots 10000 30000 trace 10000 1 {{ hostvars['server1'].ansible_host }} 9444 2 {{ hostvars['server2'].ansible_host }} 9444 3 {{ hostvars['server3'].ansible_host }} 9444 localhost 2181 /clickhouse/{{ cluster_name }}/task_queue/ddl