ClickHouse/tests/config/config.d/database_replicated.xml

<clickhouse>
    <zookeeper>
        <node index="1">
            <host>localhost</host>
            <port>9181</port>
        </node>
        <node index="2">
            <host>localhost</host>
            <port>19181</port>
        </node>
        <node index="3">
            <host>localhost</host>
            <port>29181</port>
        </node>
    </zookeeper>

    <keeper_server>
        <tcp_port>9181</tcp_port>
        <server_id>1</server_id>

        <coordination_settings>
            <operation_timeout_ms>10000</operation_timeout_ms>
            <session_timeout_ms>30000</session_timeout_ms>
            <heart_beat_interval_ms>1000</heart_beat_interval_ms>
            <election_timeout_lower_bound_ms>4000</election_timeout_lower_bound_ms>
            <election_timeout_upper_bound_ms>5000</election_timeout_upper_bound_ms>
            <raft_logs_level>information</raft_logs_level>
            <force_sync>false</force_sync>
            <!-- we want all logs for complex problems investigation -->
            <reserved_log_items>1000000000000000</reserved_log_items>
        </coordination_settings>

        <raft_configuration>
            <server>
                <id>1</id>
                <hostname>localhost</hostname>
                <port>9234</port>
                <can_become_leader>true</can_become_leader>
                <priority>3</priority>
            </server>
            <server>
                <id>2</id>
                <hostname>localhost</hostname>
                <port>9235</port>
                <can_become_leader>true</can_become_leader>
                <start_as_follower>true</start_as_follower>
                <priority>2</priority>
            </server>
            <server>
                <id>3</id>
                <hostname>localhost</hostname>
                <port>9236</port>
                <can_become_leader>true</can_become_leader>
                <start_as_follower>true</start_as_follower>
                <priority>1</priority>
            </server>
        </raft_configuration>
    </keeper_server>

    <remote_servers>
        <test_cluster_database_replicated>
            <shard>
                <replica>
                    <host>localhost</host>
                    <port>9000</port>
                </replica>
                <replica>
                    <host>localhost</host>
                    <port>19000</port>
                </replica>
            </shard>
            <shard>
                <replica>
                    <host>localhost</host>
                    <port>29000</port>
                </replica>
            </shard>
        </test_cluster_database_replicated>
    </remote_servers>

    <_functional_tests_helper_database_replicated_replace_args_macros>1</_functional_tests_helper_database_replicated_replace_args_macros>
</clickhouse>