ClickHouse/tests/integration/test_keeper_snapshots/configs/enable_keeper.xml

<clickhouse>
    <keeper_server>
        <tcp_port>9181</tcp_port>
        <server_id>1</server_id>
        <log_storage_path>/var/lib/clickhouse/coordination/log</log_storage_path>
        <snapshot_storage_path>/var/lib/clickhouse/coordination/snapshots</snapshot_storage_path>

        <coordination_settings>
            <snapshot_distance>10</snapshot_distance>
            <reserved_log_items>5</reserved_log_items>
            <operation_timeout_ms>5000</operation_timeout_ms>
            <session_timeout_ms>10000</session_timeout_ms>
            <raft_logs_level>trace</raft_logs_level>

            <!-- For instant start in single node configuration -->
            <heart_beat_interval_ms>0</heart_beat_interval_ms>
            <election_timeout_lower_bound_ms>0</election_timeout_lower_bound_ms>
            <election_timeout_upper_bound_ms>0</election_timeout_upper_bound_ms>
        </coordination_settings>

        <raft_configuration>
            <server>
                <id>1</id>
                <hostname>localhost</hostname>
                <port>44444</port>
            </server>
        </raft_configuration>
    </keeper_server>
</clickhouse>