MySQL数据一键同步至ClickHouse数据库
随着数据量的爆炸式增长和业务场景的多样化，传统数据库系统如MySQL虽然稳定可靠，但在海量数据分析场景下逐渐显露出性能瓶颈。这时，ClickHouse凭借其列式存储架构和卓越的OLAP（在线分析处理）能力脱颖而出，成为实时分析领域的明星数据库。它能以远超传统数据库的速度处理数十亿行数据，尤其适合日志分析、用户行为统计等需要快速聚合计算的场景。但将MySQL中积累的业务数据高效、准确地迁移至ClickHouse并不是容易的事情，ETL工具便可以解决这种问题。ETLCloud作为一款零代码、高可视化的数据集成平台，让数据同步过程变得异常简单。本文将详细介绍如何通过ETLCloud配置MySQL到ClickHouse的一键同步，实现数据的无缝迁移。https://alidocs.dingtalk.com/core/api/resources/img/5eecdaf48460cde526bab3f0ad5f819db080daeade51f3fa75b8339e1c4c2483ced7199cdd5c984339e8703ac5556d0d615623e93d1074a5d5f7e9bb8852fb7e3bc8882bc0cbdc357b087332a117b3ff0d65039421efe49a190dfebd12d06fff?tmpCode=50b9e9c4-8320-49ad-93a5-80da0962b3d1一、配置ETLCLoud平台与数据库的连接来到ETLCLoud首页的数据源管理模块，进入https://alidocs.dingtalk.com/core/api/resources/img/5eecdaf48460cde526bab3f0ad5f819db080daeade51f3fa75b8339e1c4c2483ced7199cdd5c984339e8703ac5556d0d46f61eaa23e2a783c149753e51cdaeb9b765120fa6c761cde521c7046dc7805562d4e3ef5c53c57757a36ab78d378d83?tmpCode=50b9e9c4-8320-49ad-93a5-80da0962b3d1点击新建数据源，选择Mysql组件https://alidocs.dingtalk.com/core/api/resources/img/5eecdaf48460cde526bab3f0ad5f819db080daeade51f3fa75b8339e1c4c2483ced7199cdd5c984339e8703ac5556d0da4d5c3d3025c6297fc368f9de76a5ffc70ec0ecb8ae1c317a46a09eb6dc6d62c395a39017b1d7ea150fe90c46b42e5b8?tmpCode=50b9e9c4-8320-49ad-93a5-80da0962b3d1填写数据源信息https://alidocs.dingtalk.com/core/api/resources/img/5eecdaf48460cde526bab3f0ad5f819db080daeade51f3fa75b8339e1c4c2483ced7199cdd5c984339e8703ac5556d0d1a44f6ae2cd55ced169acaed9bb996f75e7064bbff3d8f8dbc8bb5840aace5e02dab95f2ab674036fc1f9319315e029e?tmpCode=50b9e9c4-8320-49ad-93a5-80da0962b3d1提示链接成功代表数据源成功链接https://alidocs.dingtalk.com/core/api/resources/img/5eecdaf48460cde526bab3f0ad5f819db080daeade51f3fa75b8339e1c4c2483ced7199cdd5c984339e8703ac5556d0d0cfecd3502befe87320559dc5143a76c2ee809daa97df9300ac46541eeca0cc603ec7a23dcb97290fcd772538389c7f8?tmpCode=50b9e9c4-8320-49ad-93a5-80da0962b3d1准备好了源端的Mysql数据源，接下来要准备目标端ClickHouse的数据源同样新建数据源，配置ClickHouse的相关信息https://alidocs.dingtalk.com/core/api/resources/img/5eecdaf48460cde526bab3f0ad5f819db080daeade51f3fa75b8339e1c4c2483ced7199cdd5c984339e8703ac5556d0d593527a349860bbbb3e83c06e3b627a986431de120699b576a82a8fd2dde9d86f20b8397ef9cc18c34674a31359abff3?tmpCode=50b9e9c4-8320-49ad-93a5-80da0962b3d1https://alidocs.dingtalk.com/core/api/resources/img/5eecdaf48460cde526bab3f0ad5f819db080daeade51f3fa75b8339e1c4c2483ced7199cdd5c984339e8703ac5556d0d900cc12602c15ae7515b0b1df04a1679967fbbd8f986edc218b707244eb8639cfaafc2b455f60012e1b388e8bd7374c9?tmpCode=50b9e9c4-8320-49ad-93a5-80da0962b3d1https://alidocs.dingtalk.com/core/api/resources/img/5eecdaf48460cde526bab3f0ad5f819db080daeade51f3fa75b8339e1c4c2483ced7199cdd5c984339e8703ac5556d0d0560abc703ea9c94393bd3f3c656961e523657b6adea86ef2e2cf607c4c8b2e818f1560fd3b63dd97dbdcc4b313534bf?tmpCode=50b9e9c4-8320-49ad-93a5-80da0962b3d1二、数据同步流程设计配置好数据源，接下来到离线流程创建离线任务https://alidocs.dingtalk.com/core/api/resources/img/5eecdaf48460cde526bab3f0ad5f819db080daeade51f3fa75b8339e1c4c2483ced7199cdd5c984339e8703ac5556d0df8ed0ea74b05ad8ad8ff316838d9317d903bf979df7924f5033877a62ca7821a34de660f75fd8fc347934b1c91882a97?tmpCode=50b9e9c4-8320-49ad-93a5-80da0962b3d1从左侧库表同步组件拉取库表批量输入和库表批量输出，从开始到结束节点用路由线把每个节点连接好，注意路由箭头。https://alidocs.dingtalk.com/core/api/resources/img/5eecdaf48460cde526bab3f0ad5f819db080daeade51f3fa75b8339e1c4c2483ced7199cdd5c984339e8703ac5556d0db7170c44aefe1d18c76814c2fe76b350fac00a1a03278558c30bb0549a8ae7e6c7d688302654f633052f9f98a988b6f9?tmpCode=50b9e9c4-8320-49ad-93a5-80da0962b3d1配置库表批量输入组件：https://alidocs.dingtalk.com/core/api/resources/img/5eecdaf48460cde526bab3f0ad5f819db080daeade51f3fa75b8339e1c4c2483ced7199cdd5c984339e8703ac5556d0d2414843c333bee236c05f3e603de8892dec7627a455e9916e3caaf8231f43abddc2e8cacedd406c62061f26246ea9acf?tmpCode=50b9e9c4-8320-49ad-93a5-80da0962b3d1https://alidocs.dingtalk.com/core/api/resources/img/5eecdaf48460cde526bab3f0ad5f819db080daeade51f3fa75b8339e1c4c2483ced7199cdd5c984339e8703ac5556d0d9cf5083db62fa1bfb55d25705316ef805c12ea6c954adbf47dcb463206e24451a02cc0e2f3ae6c4fc39b360b823e6e34?tmpCode=50b9e9c4-8320-49ad-93a5-80da0962b3d1库表批量输出组件配置：https://alidocs.dingtalk.com/core/api/resources/img/5eecdaf48460cde526bab3f0ad5f819db080daeade51f3fa75b8339e1c4c2483ced7199cdd5c984339e8703ac5556d0d7cb871375168f3d6eb3246262194ba3a558ede24ca2ff03478bfe29c679b66a4d95ea9fd08eb66fac4f35c0a4653baad?tmpCode=50b9e9c4-8320-49ad-93a5-80da0962b3d1https://alidocs.dingtalk.com/core/api/resources/img/5eecdaf48460cde526bab3f0ad5f819db080daeade51f3fa75b8339e1c4c2483ced7199cdd5c984339e8703ac5556d0dcebb4b145be4fc9a3e9dfcc771cea80409607aa89a06bc6952d240443718b369cd2cd73e583739bec49ca25a33863d3e?tmpCode=50b9e9c4-8320-49ad-93a5-80da0962b3d1配置完流程后点击运行按钮运行流程https://alidocs.dingtalk.com/core/api/resources/img/5eecdaf48460cde526bab3f0ad5f819db080daeade51f3fa75b8339e1c4c2483ced7199cdd5c984339e8703ac5556d0d3363871b625c8750a01d792cfd718c1fd64a733b1996451018aba06e6a441327ec9b646fd4539bef1a88d3f8098878e8?tmpCode=50b9e9c4-8320-49ad-93a5-80da0962b3d1等待同步，流程运行成功，日志打印了同步的数据量。https://alidocs.dingtalk.com/core/api/resources/img/5eecdaf48460cde526bab3f0ad5f819db080daeade51f3fa75b8339e1c4c2483ced7199cdd5c984339e8703ac5556d0d9cf5083db62fa1bf526e9b6cb7cd93f64a4c85869597633144c41cd7c3b037fefcf810d643486f4ca0aebe7135b35c2a?tmpCode=50b9e9c4-8320-49ad-93a5-80da0962b3d1数据库检查，10张表自动创建，数据全部同步完毕。https://alidocs.dingtalk.com/core/api/resources/img/5eecdaf48460cde526bab3f0ad5f819db080daeade51f3fa75b8339e1c4c2483ced7199cdd5c984339e8703ac5556d0d0560abc703ea9c94b644dfd847d9d86745f409721abcdf02bcde54c880290e6cdab5401a7b5d41816d1e02c5c6c56097?tmpCode=50b9e9c4-8320-49ad-93a5-80da0962b3d1通过ETLCloud的图形化配置，我们可以实现了MySQL数据向ClickHouse的高效同步。这一过程不仅避免了繁琐的手动导出导入，更确保了数据的准确性和实时性。ClickHouse的强劲分析能力，结合ETLCloud的易用性，让企业能够快速构建起从业务数据到分析洞察的短路径。
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