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@ -85,9 +85,12 @@ ClickHouse也内置了许多机器学习算法，例如基于梯度下降的线 |
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### 二）登录数据仓库。Clickhouse数据仓库的登录有很多方式，比如用clickhouse客户端登录，用JDBC（在Java中使用）或者ODBC（在C/C++中使用）访问，用clickhouse-driver（在Python中使用）访问。本实验我们完成clickhouse客户端和clickhouse-driver两种方式。其余方式同学们以后可以自行尝试。 |
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#### 1）使用Clickhouse客户端登录。创建一个最低配置的Centos云主机，选择按流量计费，20M带宽，云主机按小时付费。登录云主机以后运行以下命令，下载Clickhouse安装包。 |
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因为网络原因，我们使用阿里云的镜像安装 |
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``` |
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wget https://packages.clickhouse.com/rpm/lts/clickhouse-client-22.3.6.5.noarch.rpm |
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wget https://packages.clickhouse.com/rpm/lts/clickhouse-common-static-22.3.6.5.x86_64.rpm |
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wget https://mirrors.aliyun.com/clickhouse/rpm/lts/clickhouse-client-22.3.6.5.noarch.rpm |
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wget https://mirrors.aliyun.com/clickhouse/rpm/lts/clickhouse-common-static-22.3.6.5.x86_64.rpm |
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``` |
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##### 安装 |
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``` |
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@ -101,6 +104,7 @@ clickhouse-client --host=<下图任一节点IP地址> --port=9000 --user=admin - |
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<kbd> |
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<img src="img/assignment5/adress.jpg"> |
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</kbd> |
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> 登录后将看到如下界面 |
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<kbd> |
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<img src="img/assignment5/login.jpg"> |
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@ -161,11 +165,13 @@ SELECT * FROM ck_test.regression; |
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sudo yum install python3 |
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sudo yum install python3-pip |
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``` |
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安装clickhouse-driver |
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安装clickhouse-driver，这里我们需要用阿里云镜像安装 |
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``` |
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pip3 install clickhouse-driver |
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pip3 install --user -i https://mirrors.aliyun.com/pypi/simple clickhouse-driver |
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``` |
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可能会报未找到 gcc 命令的错误，运行 `sudo yum install -y gcc` 就好~ |
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##### 2.1）安装完毕后运行python3，然后import clickhouse_driver，若没有报错，则说明clickhouse_driver安装成功。 |
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<kbd> |
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<img src="img/assignment5/run_python.jpg"> |
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Bruce-Jay
1 year ago