ClickHouse deployment

Clickhouse stand-alone deployment

1. Upload the rpm package to the /opt/lagou/software/clickhouse directory

2. Execute the command in the directory where the rpm is located rpm -ivh *.rpm
   

3. Execute start command

sudo -u clickhouse clickhouse-server --config-file=/etc/clickhouse-server/config.xml

or

/etc/init.d/clickhouse-server start

Show successful startup:

5. Client login is successful

clickhouse distributed deployment

1. Follow the above steps to install the rpm package on the linux121 and linux123 machines
2. Create a cluster configuration file vim /etc/metrika.xml

<yandex>
  <clickhouse_remote_servers>//自定义配置文件名字
    <perftest_3shards_1replicas> //自定义集群名字
      <shard>
        <internal_replication>true</internal_replication>
        <replica>
          <host>linux121</host> 
          <port>9000</port> 
        </replica>
      </shard>
      <shard>
        <replica>
          <internal_replication>true</internal_replication>
          <host>linux122</host>
          <port>9000</port>
        </replica>
      </shard>
      <shard>
        <internal_replication>true</internal_replication>
        <replica>
          <host>linux123</host>
          <port>9000</port>
        </replica>
      </shard>
    </perftest_3shards_1replicas>
  </clickhouse_remote_servers>
  <!--zookeeper相关配置--> 
  <zookeeper-servers>
    <node index="1">
      <host>linux121</host>
      <port>2181</port>
    </node>
    <node index="2">
      <host>linux122</host>
      <port>2181</port>
    </node>
    <node index="3">
      <host>linux123</host>
      <port>2181</port>
    </node>
  </zookeeper-servers>
  <macros>
    <replica>linux121</replica> 
  </macros>
  <networks>
    <ip>::/0</ip>
  </networks>
  <clickhouse_compression>
    <case>
      <min_part_size>10000000000</min_part_size>
      <min_part_size_ratio>0.01</min_part_size_ratio>
      <method>lz4</method>
    </case>
  </clickhouse_compression>
</yandex>

4. Bind the new configuration file to /etc/clickhouse-server/config.xml

 <include_from>/etc/metrika.xml</include_from>

6. Start the zookeeper of the cluster configuration
7. Restart the system

clickhouse-server --config-file=/etc/clickhouse-server/config.xml

9. client verification

SELECT *FROM system.clusters