The clickhouse Kafka table engine uses

system environment

CentOS 7

Software version

clickhouse-client-20.9.2.20-2.noarch.rpm
clickhouse-common-static-20.9.2.20-2.x86_64.rpm
clickhouse-server-20.9.2.20-2.noarch.rpm

initialization script

#创建Kafka表
CREATE TABLE IF NOT EXISTS testDB.kafka_queue (
	......
) ENGINE = Kafka SETTINGS kafka_broker_list = '192.168.1.100:9092',
       kafka_topic_list = 'test',
       kafka_group_name = 'CH_consumer_group',
       kafka_format = 'JSONEachRow',
       kafka_max_block_size = 1048576,
	   kafka_thread_per_consumer = 1,
	   kafka_num_consumers = 4;

#创建物化视图，将数据写入存储表
#下面语句中testDB.test_data_all是一个分布式表
CREATE MATERIALIZED VIEW testDB.kafka_queue_mv TO testDB.test_data_all AS
	SELECT ... FROM testDB.kafka_queue;

Associated blog post

clickhouse offline installation
clickhouse simple cluster construction

reference link

Kafka Table Engine
Reference Article 1
Reference Article 2