如何实现“mysql datax”

一、整体流程

下面是实现“mysql datax”的整体流程:

erDiagram
    数据源 --> 目标数据库

二、具体步骤

步骤 操作
1 安装DataX
2 编写数据源配置文件
3 编写目标数据库配置文件
4 运行DataX

1. 安装DataX

首先,你需要安装DataX,可以通过如下代码进行安装:

sudo pip install datax

2. 编写数据源配置文件

接下来,你需要编写数据源配置文件,可以使用如下代码:

{
    "job": {
        "content": [
            {
                "reader": {
                    "name": "mysqlreader",
                    "parameter": {
                        "column": [
                            "*"
                        ],
                        "connection": [
                            {
                                "jdbcUrl": [
                                    "jdbc:mysql://localhost:3306/database_name"
                                ],
                                "table": [
                                    "table_name"
                                ],
                                "username": "root",
                                "password": "password"
                            }
                        ]
                    }
                },
                "writer": {
                    "name": "mysqlwriter",
                    "parameter": {
                        "column": [
                            "*"
                        ],
                        "connection": [
                            {
                                "jdbcUrl": "jdbc:mysql://localhost:3306/database_name",
                                "table": [
                                    "table_name"
                                ],
                                "username": "root",
                                "password": "password"
                            }
                        ]
                    }
                }
            }
        ],
        "setting": {
            "speed": {
                "channel": 3
            }
        }
    }
}

3. 编写目标数据库配置文件

然后,你需要编写目标数据库配置文件,代码如下:

{
    "job": {
        "content": [
            {
                "reader": {
                    "name": "mysqlreader",
                    "parameter": {
                        "column": [
                            "*"
                        ],
                        "connection": [
                            {
                                "jdbcUrl": [
                                    "jdbc:mysql://localhost:3306/database_name"
                                ],
                                "table": [
                                    "table_name"
                                ],
                                "username": "root",
                                "password": "password"
                            }
                        ]
                    }
                },
                "writer": {
                    "name": "mysqlwriter",
                    "parameter": {
                        "column": [
                            "*"
                        ],
                        "connection": [
                            {
                                "jdbcUrl": "jdbc:mysql://localhost:3306/database_name",
                                "table": [
                                    "table_name"
                                ],
                                "username": "root",
                                "password": "password"
                            }
                        ]
                    }
                }
            }
        ],
        "setting": {
            "speed": {
                "channel": 3
            }
        }
    }
}

4. 运行DataX

最后,运行DataX进行数据迁移:

datax.py job.json

通过以上步骤,你就可以顺利实现“mysql datax”啦!祝你成功!